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Mixed-Domain Oscilloscope
MDO-2000A Series
USER MANUAL
ISO-9001 CERTIFIED MANUFACTURER

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Summary of Contents for GW Instek MDO-2000A Series

  • Page 1 Mixed-Domain Oscilloscope MDO-2000A Series USER MANUAL ISO-9001 CERTIFIED MANUFACTURER...
  • Page 2 June 2019 This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will company. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Table of Contents SAFETY INSTRUCTIONS ..........3 GETTING STARTED ............8 MDO-2000A Series Overview ........9 Appearance ..............12 Set Up ............... 23 Built-in Help .............. 32 MEASUREMENT ............33 Basic Measurement ........... 34 Automatic Measurement ..........41 Cursor Measurement ..........
  • Page 4 REMOTE CONTROL CONFIG ........303 Interface Configuration ..........304 MAINTENANCE ............314 FAQ ................320 APPENDIX ..............322 Updating the Firmware ..........323 MDO-2000A Series Specifications ......325 Probe Specifications ..........330 Dimensions ............. 332 Declaration of Conformity ........333 INDEX ................334...
  • Page 5: Safety Instructions

    SAFETY INSTRUCTIONS AFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. Read the following before any operation to insure your safety and to keep the instrument in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the Product name.
  • Page 6: Safety Guidelines

    Do not place any heavy object on the MDO-  2000A series. Avoid severe impact or rough handling that  leads to damaging the MDO-2000A series. Do not discharge static electricity to the MDO-  2000A series. Use only mating connectors, not bare wires, for ...
  • Page 7  (Pollution Degree) EN 61010-1:2010 specifies the pollution degrees Note and their requirements as follows. The MDO-2000A series falls under degree 2. Pollution refers to “addition of foreign matter, solid, liquid, or gaseous (ionized gases), that may produce a reduction of dielectric strength or surface resistivity”.
  • Page 8 MDO-2000A series User Manual Location: Indoor Storage  environment Temperature: -10°C to 60°C  Humidity: Up to 93% RH (non-condensing) /  ≤40ºC, up to 65% RH (non-condensing) / 41ºC ~ 60 ºC Do not dispose this instrument as unsorted Disposal municipal waste.
  • Page 9: Power Cord For The United Kingdom

    SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the oscilloscope in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow:...
  • Page 10 MDO-2000A series User Manual ETTING STARTED This chapter describes the MDO-2000A series in a nutshell, including its main features and front / rear panel. After going through the overview, follow the Set Up section to properly set up the device for first time use. The Set Up section also includes an introduction on how to use this manual effectively.
  • Page 11: Getting Started

    ✓ ✓ (1) Arbitrary Wave Generator (2) Spectrum Analyzer The MDO-2000A series consists of 6 models. Note that throughout the user manual, the term “MDO-2000A series” refers to all models of the series, unless stated otherwise. Model name Frequency Input Max.
  • Page 12: Accessories

    MDO-2000A series User Manual Segmented Memory: Optimizes the acquisition  memory to selectively capture only the important signal details. Up to 29,000 successive waveform segments can be captured with a time-tag resolution of 4ns. Waveform Search: Allows the scope to search ...
  • Page 13 GETTING STARTED Passive probe; 300 MHz GTP-300B-4, for MDO-2302A/AG Test lead for AWG. GTL-110 Standard Apps Name Description Go-NoGo testing app. Go-NoGo Waveform or image data logging DataLog app. Digital Voltmeter app. High ,low or band pass digital Digital Filter filter for analog inputs.
  • Page 14: Appearance

    MDO-2000A series User Manual Appearance Front panel Autoset, Run/Stop, Variable knob Function Single and Default Hardcopy key keys and Select key settings Horizontal Side controls menu keys Bottom Trigger Menu key menu keys controls Option key Vertical controls EXT TRIG...
  • Page 15: User Interface

    GETTING STARTED The side menu and bottom menu keys are used to Menu Keys make selections from the soft-menus on the LCD user interface. To choose menu items, use the 7 Bottom menu keys located on the bottom of the display panel. VARIABLE GDS-2202E Digital Storage Oscilloscope...
  • Page 16 MDO-2000A series User Manual The Function keys are used to enter and configure Function Keys different functions on the MDO-2000A series. Configures and runs automatic Measure Measure measurements. Configures and runs cursor Cursor Cursor measurements. Configures and runs GW Instek applications.
  • Page 17 GETTING STARTED Press to Freeze (Stop) or continue Run/Stop Key Run/Stop (Run) signal acquisition (page 37). The run stop key is also used to run or stop Segmented Memory acquisition (page 83). Sets the acquisition mode to Single Single single triggering mode. Resets the oscilloscope to the Default Setup Default...
  • Page 18 MDO-2000A series User Manual The Search key accesses the Search Search search function menu to set the search type, source and threshold. Use the arrow keys to navigate Search Arrows the search events. Use the Set/Clear key to set or...
  • Page 19 GETTING STARTED Sets the vertical scale of the SCALE (Vertical)SCALE channel (TIME/DIV). Knob EXT TRIG Accepts external trigger signals External Trigger Input (page 131). Only on 2 channel models. Input impedance: 1MΩ Voltage input: ±15V (peak), EXT trigger capacitance: 16pF. Use the Math key to set and Math Key MATH...
  • Page 20 MDO-2000A series User Manual Accepts the DUT ground lead for Ground Terminal common ground. The probe compensation output is Probe Compensation used for probe compensation. It Output also has an adjustable output frequency. By default this port outputs a 2Vpp, square wave signal at 1kHz for probe compensation.
  • Page 21: Rear Panel

    GETTING STARTED Rear Panel MDO-2000A series USB Device port LAN port Calibration output Go/No Go output Key lock Power input socket MDO-2000AG series AWG channels USB Device port LAN port output Calibration output Go/No Go output Key lock Power input socket...
  • Page 22: Display

    MDO-2000A series User Manual The USB Device port is used for USB Device Port remote control. The LAN port is used for remote LAN (Ethernet) control over a network or when Port combined with the Remote Disk app, allows the scope to be mounted to a share disk.
  • Page 23 GETTING STARTED Channel Memory length Memory Trigger status Indicators and sample rate Date and time Acquisition Reference mode waveform Trigger position Trigger level decoding Analog Waveform Waveform frequency Trigger configuration Channel status Horizontal status Shows the analog input signal waveforms. Analog Waveforms Channel 1: Yellow...
  • Page 24 MDO-2000A series User Manual The ratio and the position of the displayed waveform compared to the internal memory (page 97). Triggered. Trigger Status Trig’d Pre-trigger. PrTrig Not triggered, display not updated. Trig? Trigger stopped. Also appears in Stop Run/Stop (page 37).
  • Page 25: Set Up

    To stand the scope upright, push the legs back Stand under the casing as shown below. Power Up The MDO-2000A series accepts line voltages of 100 Requirements ~ 240V at 50 or 60Hz. 1. Connect the power cord to Step...
  • Page 26: First Time Use

    ~ 30 seconds. : ON POWER : OFF The MDO-2000A series recovers the state right before Note the power is turned OFF. The default settings can be recovered by pressing the Default key on the front panel. For details, see page 285.
  • Page 27 GETTING STARTED EXT TRIG Press the Autoset key. A square 6. Capture Signal Autoset waveform appears on the center of (Autoset) the screen. For Autoset details, see page 35. Press the Display key, and set the 7. Select Vector Display display to Vector on the bottom menu.
  • Page 28: How To Use This Manual

    How to Use This Manual This section describes the conventions used in this Background manual to operate the MDO-2000A series. Throughout the manual any reference to pressing a menu key refers to the keys directly below or beside any menu icons or parameters.
  • Page 29 GETTING STARTED When the user manual says to “toggle” a value or parameter, press the corresponding menu item. Pressing the item will toggle the value or parameter. Active parameters are highlighted for each menu item. For example in the example below, Coupling is currently set to DC.
  • Page 30 MDO-2000A series User Manual 3. Press a bottom menu key to access the side menu. 4. Press a side menu key to either set a parameter or to access a sub menu. 5. If accessing a sub menu or setting...
  • Page 31 GETTING STARTED 8. Use the Variable knob to edit the value. Toggling a Menu Parameter 9. Press the bottom menu key to toggle the parameter. Reduce Side Menu 10. To reduce the side menu, press the corresponding bottom menu that brought up the side menu.
  • Page 32 MDO-2000A series User Manual Reduce Lower Menu VARIABLE Measure Cursor Test Acquire Autoset Display Help Save/Recall Utility Run/Stop HORIZONTAL Single SCALE POSITION 11. Press the relevant function Select Search Zoom Default Set/Clear PUSH TO ZERO key again to reduce the...
  • Page 33 GETTING STARTED VARIABLE Measure Cursor Test Acquire Display Help Save/Recall Utility HORIZONTAL SCALE 13. The Menu Off key can also be POSITION Remove On- Search Zoom Select Set/Clear PUSH TO used to remove any on Screen Messages ZERO VERTICAL POSITION POSITION POSITION POSITION...
  • Page 34: Built-In Help

    MDO-2000A series User Manual Built-in Help The Help key accesses a context sensitive help menu. The help menu contains information on how to use the front panel keys. 1. Press the Help key. The display Panel Operation Help changes to Help mode.
  • Page 35: Measurement

    MEASUREMENT EASUREMENT Basic Measurement ........... 34 Channel Activation ................. 34 Autoset ..................... 35 Run/Stop ....................37 Horizontal Position/Scale ..............38 Vertical Position/Scale ................39 Automatic Measurement ..........41 Measurement Items ................41 Add Measurement .................. 45 Remove Measurement ................46 Gated mode .....................
  • Page 36: Basic Measurement

    MDO-2000A series User Manual Basic Measurement This section describes the basic operations required in capturing, viewing and measuring the input signal. For more detailed or more specific operations, see the following chapters. Advanced Configuration → from page 72  Arbitrary Wave Generator → from page 176 ...
  • Page 37: Autoset

    285). Autoset The Autoset function automatically configures the Background panel settings to position the input signal(s) to the best viewing condition. The MDO-2000A Series automatically configures the following parameters: Horizontal scale  Vertical scale ...
  • Page 38 MDO-2000A series User Manual Before After 3. To undo Autoset, press Undo Autoset from the bottom menu. 4. Choose between Fit Screen Mode Change modes and AC Priority Mode from the bottom menu. 5. Press the Autoset key again to use Autoset Autoset in the new mode.
  • Page 39: Run/Stop

    MEASUREMENT Run/Stop By default, the waveform on the display is Background constantly updated (Run mode). Freezing the waveform by stopping signal acquisition (Stop mode) allows flexible observation and analysis. To enter Stop mode, two methods are available: pressing the Run/Stop key or using the Single Trigger mode.
  • Page 40: Horizontal Position/Scale

    MDO-2000A series User Manual Horizontal Position/Scale For more detailed configuration, see page 97. The horizontal position knob Set Horizontal POSITION moves the waveform left and Position right. PUSH TO ZERO Pressing the horizontal position Set Horizontal POSITION knob will reset the horizontal Position to 0 position to 0.
  • Page 41: Vertical Position/Scale

    MEASUREMENT Range 1ns/div ~ 100s/div, 1-2-5 increments The scale is displayed to the left of the H icon at the bottom of the screen. The display bar indicates how much Display bar of the waveform is displayed on the screen at any given time. Changes to timebase will be reflected on the display bar.
  • Page 42 MDO-2000A series User Manual Push the vertical position knob to POSITION reset the position to 0. As the waveform moves, the vertical position of the channel PUSH TO indicator appears on the display. ZERO The waveform can be moved Run/Stop...
  • Page 43: Automatic Measurement

    MEASUREMENT Automatic Measurement The automatic measurement function measures and updates major items for Voltage/Current, Time, and Delay type measurements. Measurement Items V/I Measurements Time Meas. Delay Meas. Overview Frequency Pk-Pk Period RiseTime Amplitude FallTime High +Width -Width Mean Dutycycle Cycle Mean +Pulses Cycle RMS Phase...
  • Page 44 MDO-2000A series User Manual Difference between the Amplitude global high value and the global low value, measured over the entire waveform or gated region. (=high − low) Global high voltage. See High page 50 for details. Global low voltage. See page 50 for details.
  • Page 45 MEASUREMENT Fall overshoot FOVShoot Rise preshoot RPREShoot Fall preshoot FPREShoot Frequency of the waveform. Time Frequency Measurement Waveform cycle time. Period (=1/Freq) The time required for the RiseTime leading edge of the first pulse to rise from the low reference value to the high reference value.
  • Page 46 MDO-2000A series User Manual Measures the number of -Edges negative edges. Ratio in percentage of the % Flicker (A-B) (A+B) peak-to-peak value to the sum of peak values. Ratio of the area above the Flicker Idx A1+A2 average to the total area during one cycle.
  • Page 47: Add Measurement

    MEASUREMENT Time between: Source 1 first falling edge and Source 2 last falling edge. The phase difference of two Phase signals, calculated in degrees.  The in-built help system can be used to see detailed Note automatic measurement definitions. Add Measurement The Add Measurement function allows you to add up to eight automatic measurement items on the bottom of the screen from any channel source.
  • Page 48: Remove Measurement

    MDO-2000A series User Manual Frequency, Period, RiseTime, Time FallTime, +Width, –Width, Duty Cycle, +Pulses, -Pulses, +Edges, - Edges, %Flicker, FlickerIndex FRR, FRF, FFR, FFF, LRR, LRF, LFR, Delay LFF, Phase 4. All of the chosen automatic measurements will be displayed in a window on the bottom of the screen.
  • Page 49: Gated Mode

    MEASUREMENT 1. Press the Measure key. Remove Measure Measurement Item 2. Press Remove Measurement from the bottom menu. 3. Press Select Measurement and select the item that you want to remove from the measurement list. Remove All Items Press Remove All to remove all the measurement items.
  • Page 50 MDO-2000A series User Manual If Between Cursors is selected, the Page 55 Cursors On cursor positions can be edited by Screen using the cursor menu.
  • Page 51: Display All Mode

    MEASUREMENT Display All mode Display All mode shows and updates all items from Voltage and Time type measurements. 1. Press the Measure key. View Measure Measurement Results 2. Press Display All from the bottom menu. 3. Press Source from the side menu and choose a measurement source.
  • Page 52: High Low Function

    MDO-2000A series User Manual High Low Function The High-Low function is used to select the Background method for determining the value of the High-Low measurement values. Automatically chooses the best Auto high-low setting for each waveform when measuring. Uses histograms to determine the Histogram high-low values.
  • Page 53: Statistics

    MEASUREMENT 3. Select the type of High-Low settings from the side menu. Histogram, Min-Max, High-Low Settings: Auto To return to the default High-Low Restore Default settings, press Set to Defaults. High-Low Settings Statistics The Statistics function can be used to view a Background number of statistics for the selected automatic measurements.
  • Page 54 MDO-2000A series User Manual The maximum value observed from a series of measured results for the selected automatic measurement items. The variance of the currently Standard measured value from the mean. Deviation The standard deviation equals the squared root of the variance value.
  • Page 55: Reference Levels

    MEASUREMENT To reset the standard deviation Reset Statistics calculations, press Reset Statistics. Reference Levels The reference level settings determine the Background measurement threshold levels for some measurements like the Rise Time measurement. High Ref: Sets the high reference level. Mid Ref: Sets the middle reference for the first and second waveforms.
  • Page 56 MDO-2000A series User Manual 3. Set the reference levels from the side menu. Ensure the reference levels do not cross over. 0.0% ~ 100% High Ref 0.0% ~ 100% Mid Ref 0.0% ~ 100% 0.0% ~ 100% Low Ref 4. Press Set to Defaults to set the...
  • Page 57: Cursor Measurement

    MEASUREMENT Cursor Measurement Horizontal or vertical cursors are used to show the position and values of waveform measurements and math operation results. These results cover voltage, time, frequency and other math operations. When the cursors (horizontal, vertical or both) are activated, they will be shown on the main display unless turned off.
  • Page 58 MDO-2000A series User Manual 5. Use the Variable knob to move the VARIABLE movable cursor(s) left or right. The selected cursor(s) will move (Note) along the active waveform. To move along another waveform, select its corresponding channel and press the cursor key again to re-enter the cursor menu.
  • Page 59 MEASUREMENT FFT cursors can use different units. For FFT details, see page Hor. position, dB/Voltage Cursor Hor. Position, dB/Voltage Cursor Delta (difference between cursors) dV/dt or d/dt Example Horizontal cursors XY mode cursors measure a number of X by Y XY Mode measurements.
  • Page 60: Use Vertical Cursors

    MDO-2000A series User Manual Example Horizontal cursors Use Vertical Cursors 1. Press the Cursor key twice. Panel Operation/ Cursor Range 2. Press V Cursor from the bottom menu if it is not already selected. 3. When the V Cursor is selected,...
  • Page 61 MEASUREMENT 4. The cursor position information appears on the top left hand side of the screen. Time: cursor 1, cursor 2 Voltage/Current: cursor1, cursor2 Delta (difference between cursors) dV/dt or dI/dt 5. Use the Variable knob to move the VARIABLE cursor(s) up or down.
  • Page 62 MDO-2000A series User Manual FFT has different content. For FFT details, see page 64. Frequency/Time: cursor1, cursor2 dB/V: cursor1, cursor2 Delta (difference between cursors) d/dt Example Horizontal Vertical cursors cursors XY mode cursors measure a number of X by Y XY Mode measurements.
  • Page 63 MEASUREMENT Example Horizontal cursors Vertical cursors...
  • Page 64: Math Operation

    MDO-2000A series User Manual Math Operation Basic Math Overview & Operators The Math function performs basic math functions Background (addition, subtraction, multiplication, division) on the input signals or the reference waveforms. The resultant waveform will be shown on the screen in real-time.
  • Page 65 MEASUREMENT 4. Press Operator to choose the math operation. +, -, ×, ÷ Range 5. Select Source 2 from the side menu. CH1~2, Ref1~4 Range 6. The math measurement result appears on the display. The vertical scale of the math waveform appears at the bottom of the screen.
  • Page 66: Fft Overview & Window Functions

    MDO-2000A series User Manual To change the unit/div settings, press Unit/div, then use the Variable knob to change the unit/div. The units that are displayed depend on which operator has been selected, and whether the probe for the selected channel has been set to voltage or current.
  • Page 67: Fft Operation

    MEASUREMENT Frequency measurement on Suitable for..periodic waveforms Frequency resolution Very good Rectangular Amplitude resolution Bad Single-shot phenomenon Suitable for..(this mode is the same as having no window at all) Frequency resolution Bad Blackman Amplitude resolution Very good Amplitude measurement on Suitable for..
  • Page 68 MDO-2000A series User Manual 5. Press the Window key from the side menu and select the window type. Hanning, Hamming, Rectangular, Range and Blackman. 6. The FFT result represents the frequency- domain representation of a signal. Hence, the horizontal scale changes from time to frequency, and the vertical scale from voltage/current to dB/RMS.
  • Page 69: Advanced Math Overview

    MEASUREMENT To move the FFT waveform Horizontal horizontally, press Horizontal until the Position and Scale Frequency parameter is highlighted and then use the Variable knob. 0Hz ~ half of the sampling Range frequency To select the horizontal scale of the FFT waveform, press Horizontal repeatedly until the Hz/div parameter is highlighted and then use the...
  • Page 70: Advanced Math Operation

    MDO-2000A series User Manual Adds an operator or parenthesis to the function Operator expression. +, -, *, /, (, ), !(, <, >, <=, >=, ==, !=, Operator ||, && Adds a value to the expression. Figure Integers, floating point, or floating Figure point with exponent values.
  • Page 71 MEASUREMENT 5. Press Clear to clear the expression entry area. 6. Use the Variable knob and the Select VARIABLE key to create an expression. Use the Variable knob to highlight a source, function, variable, operator, figure or measurement in orange. Press the Select key to make the selection.
  • Page 72 MDO-2000A series User Manual Example: CH1 + CH2 Source1 Advanced Math Source2 9. Press VAR1 or VAR2 to set Set the VAR1 & VAR1/VAR2 if they were used in VAR2 the expression created previously. 10. Press Mantissa. Use the Left and Right arrow keys...
  • Page 73 MEASUREMENT To clear the advanced math result MATH Clear Advanced from the display, press the Math key Math again.
  • Page 74 MDO-2000A series User Manual DVANCED CONFIGURATION Acquisition ..............75 Select Acquisition Mode ................ 75 Show Waveform in XY Mode .............. 76 Set the Record Length ................78 Segmented Memory Acquisition ........ 80 Segments Display ..................81 Set the Number of Segments ............... 82 Run Segmented Memory ...............
  • Page 75: Advanced Configuration

    ADVANCED CONFIGURATION Limit Bandwidth ................... 108 Expand by Ground/Center ..............109 Select Probe Type ................. 110 Select Probe Attenuation Level ............111 Set the Deskew ..................111 Bus Key Configuration ..........113 Bus Display .................... 113 Serial Bus Overview ................114 UART Serial Bus Configuration ............
  • Page 76 MDO-2000A series User Manual System Settings and Miscellaneous Settings.... 171 Select Menu Language ................. 171 View System Information ..............171 Erase Memory ..................172 Set Date and Time ................173 Probe Compensation Frequency ............173 QR Code Reader Function ..............174...
  • Page 77: Acquisition

    ADVANCED CONFIGURATION Acquisition The Acquisition process samples the analog input signals and converts them into digital format for internal processing. Select Acquisition Mode The acquisition mode determines how the samples Background are used to reconstruct a waveform. This is the default acquisition Sample mode.
  • Page 78: Show Waveform In Xy Mode

    MDO-2000A series User Manual 3. Select an acquisition mode from the side menu. 4. If Average was chosen, set the number of samples to be used for the average function. Mode Sample, Peak Detect, Average Average 2, 4, 8, 16, 32, 64, 128,...
  • Page 79 ADVANCED CONFIGURATION 2. Make sure a channel pair is active (CH1 & CH2). Press the Channel key if necessary. A channel is active if the channel key is lit. 3. Press the Acquire menu key. Panel Operation Acquire 4. Press XY from the bottom menu. 5.
  • Page 80: Set The Record Length

    MDO-2000A series User Manual To move the XY waveform position, use the vertical position knob: Channel 1 knob moves the XY waveform horizontally and Channel 2 knob moves the XY waveform vertically. POSITION POSITION The horizontal position knob and horizontal Scale knob can still be used under the XY mode.
  • Page 81 ADVANCED CONFIGURATION ✓ ✓ ✓ ✓ 100k ✓ ✓ ✓ ✓ ✓ ✓ ✗ ✗ ✓ ✓ ✗ ✗ 1. Press the Acquire key. Panel Operation Acquire 2. Press the Record Length key on the bottom menu and choose the record length.
  • Page 82: Segmented Memory Acquisition

    MDO-2000A series User Manual Segmented Memory Acquisition The advanced segmented memory utility allows the scope memory to be divided into different segments. Each time the scope is triggered, it only acquires data for one segment of memory at a time. This allows you to optimize the scope memory to only perform signal acquisition during important signal events.
  • Page 83: Segments Display

    ADVANCED CONFIGURATION Segmented memory acquisition example: Segment Segment Segment Segment Segment Segment As shown above, the memory is divided into segments to increase the number of events that can be effectively captured with the same acquisition memory. Also notice that the scope doesn’t need to rearm the trigger between each segment, this makes the segmented memory function especially useful for high speed signals.
  • Page 84: Set The Number Of Segments

    MDO-2000A series User Manual Progress Indicator Indicates the number of segments that have to been captured relative to the set number of segments. Stop: The segments have finished Run/Stop Indicator acquiring or have been stopped. Run: The scope is ready to acquire segments.
  • Page 85: Run Segmented Memory

    ADVANCED CONFIGURATION Sets to 1 segment Set to Minimum The Select Segments icon is only available when Note Segments = OFF or when Segments is in the STOP mode (see the section below). Run Segmented Memory Before the Segmented Memory function can be Background used, set the trigger settings as appropriate for the signal you wish to use.
  • Page 86 MDO-2000A series User Manual 4. When the scope has finished acquiring segments, press Segments Run to toggle the mode to the Segments Stop mode.  Alternatively, the Run/Stop key can Run/Stop be pressed. 5. The Stop Indicator will be shown when in the Stop mode.
  • Page 87: Navigate Segmented Memory

    ADVANCED CONFIGURATION Navigate Segmented Memory After the segmented memory acquisitions have Background been captured you can navigate through each segment one at a time. 1. Press Select Segments from the Operation bottom menu. This key will be available in the Stop mode. 2.
  • Page 88: Measurement On Segments

    MDO-2000A series User Manual 2. Press the Play/Pause key to run through the acquired segments in numerical order. Press the Play/Pause key again  to pause the playback. When the scope has played  through to the last segment, pressing the Play/Pause key again will play through each segment again in reverse order.
  • Page 89 ADVANCED CONFIGURATION This function will bin the Statistics measurement results of a single automatic measurement into a user-defined number of bins. This allows you to easily view statistics for a large number of segments. For example, the statistics function will display the number of results for each bin and the measurement range of each bin for the selected...
  • Page 90 MDO-2000A series User Manual 1. Press Analyze Segments from the Operation Segments menu. Note: This key will only be available in the Stop mode. 2. Press Segments Measure. 3. Select either the statistics or the measurement list from the side menu.
  • Page 91 ADVANCED CONFIGURATION Statistics Results This function will bin the measurement results of the selected automatic measurement into a user- defined number of bins. 7. To select the number of bins for the Setup statistics, press Divided by and select the number of bins with the Variable knob.
  • Page 92: Segment Info

    MDO-2000A series User Manual Example: Statistics Bin count Cursor/selected bin Statistics of currently selected bin Puts all the measurement results for a segment in a Measurement list. List 9. Press Select and use the variable Setup knob to scroll through each segment.
  • Page 93 ADVANCED CONFIGURATION 2. Press Segments Info. 3. A table showing all general setting information for the segmented memory acquisitions is shown on the display. Info: Sample rate, Record length, Horizontal, Vertical...
  • Page 94: Display

    MDO-2000A series User Manual Display The Display menu defines how the waveforms and parameters appear on the main LCD display. Display Waveform as Dots or Vectors When the waveform is displayed on the screen, it Background can be displayed as dots or vectors.
  • Page 95: Set The Intensity Level

    ADVANCED CONFIGURATION 2. To set the persistence time, press the Persistence menu button on the bottom bezel. 3. Use the Variable knob to select a persistence time. 16ms, 30ms, 60ms, 120ms, 240ms, Time 0.5s, 1s, 2s,~4s, Infinite, Off To clear persistence, press Clear Clear Persistence.
  • Page 96: Select Display Graticule

    MDO-2000A series User Manual 4. To set the graticule intensity, press Graticule Graticule Intensity from the side menu and edit the Intensity intensity value. 10~100% Range Example Graticule Intensity 100% Graticule Intensity 10% 5. To set the LCD backlight intensity, press...
  • Page 97: Freeze The Waveform (Run/Stop)

    ADVANCED CONFIGURATION 3. From the side menu choose the graticule display type. Full : Shows the full grid; X and Y axis for each division. Grid : Show the full grid without the X and Y axis. Cross Hair : Shows only the center X and Y frame.
  • Page 98: Turn Off Menu

    MDO-2000A series User Manual POSITION Turn Off Menu PUSH TO ZERO 1. Press the Menu Off key Panel Operation below the side menu keys to reduce a menu. The menu key needs to be pressed SCALE each time to reduce one menu.
  • Page 99: Horizontal View

    ADVANCED CONFIGURATION Horizontal View This section describes how to set the horizontal scale, position, and waveform display mode. Move Waveform Position Horizontally POSITION The horizontal position knob moves Panel Operation the waveform left/right. PUSH TO ZERO As the waveform moves, a position indicator on the top of the display indicates the horizontal position of the waveform in memory.
  • Page 100: Select Horizontal Scale

    MDO-2000A series User Manual Select Horizontal Scale SCALE To select the timebase (time/div), turn Select Horizontal the horizontal Scale knob; left (slow) Scale or right (fast). Range 1ns/div ~ 100s/div, 1-2-5 increment The timebase indicator updates as the horizontal scale is adjusted.
  • Page 101: Select Waveform Update Mode

    ADVANCED CONFIGURATION Select Waveform Update Mode The display update mode is switched Background automatically or manually according to the timebase and trigger. Updates the whole displayed waveform at Normal once. Automatically selected when the timebase (sampling rate) is fast. ≤50ms/div Timebase all modes Trigger...
  • Page 102: Zoom Waveform Horizontally

    MDO-2000A series User Manual 2. Press Mode Auto/Normal key from the bottom menu to let the equipment choose between Auto (Untriggered Roll) and Normal mode. The auto (Untriggered Roll) trigger mode enables free-running and roll mode (timebase >=100ms/div) acquisitions. The normal trigger mode enables the equipment which trigger only on valid trigger events.
  • Page 103 ADVANCED CONFIGURATION Trigger Horizontal position position Zoom window Zoom position Zoom timebase To scroll the waveform left or right, Horizontal Navigation press Horizontal Position and use the Variable Position knob. VARIABLE The horizontal position will be shown on the Horizontal Position icon. Horizontal Scale To change the horizontal scale, press Horizontal Time/Div and use the Variable Position knob.
  • Page 104: Play/Pause

    MDO-2000A series User Manual Use the Horizontal Position knob to pan Move the Zoom POSITION the zoom window horizontally. Window To reset the zoom position, press the PUSH TO Horizontal Position knob. ZERO The position of the zoom window, relative to the horizontal position is shown at the bottom of the screen next to the Zoom timebase.
  • Page 105 ADVANCED CONFIGURATION 2. The scope will go into the Zoom Play mode and begin to scroll through the acquisition (from left to right). The full-record length waveform will be shown at the top and the zoomed section will be shown at the bottom. The Play/Pause indicator shows the play status.
  • Page 106 MDO-2000A series User Manual Speed Speed POSITION Right Left PUSH TO ZERO To reset both the zoom position and Reset the Zoom horizontal position, press Reset Zoom Position & H POS to 0s. Press the Play/Pause key to pause or Pause resume playing the waveform.
  • Page 107: Vertical View (Channel)

    ADVANCED CONFIGURATION Vertical View (Channel) This section describes how to set the vertical scale, position, and coupling mode. Move Waveform Position Vertically POSITION 1. To move the waveform up or Panel Operation down, turn the vertical position knob for each channel. PUSH TO ZERO 2.
  • Page 108: Select Vertical Scale

    MDO-2000A series User Manual Select Vertical Scale SCALE To change the vertical scale, turn the Panel Operation vertical SCALE knob; left (down) or right (up). The vertical scale indicator on the bottom left of the display changes accordingly for the specific channel.
  • Page 109: Input Impedance

    Observing the AC portion of the waveform using AC coupling DC coupling AC coupling Input Impedance The input impedance of the MDO-2000A Series is Background fixed at 1MΩ. The impedance is displayed in the channel menu. View Impedance 1. Press the Channel key.
  • Page 110: Limit Bandwidth

    MDO-2000A series User Manual Limit Bandwidth Bandwidth limitation puts the input signal into a Background selected bandwidth filter. This function is useful for cutting out high frequency noise to see a clear waveform shape. The bandwidth filters available are dependent on the bandwidth of the oscilloscope model.
  • Page 111: Expand By Ground/Center

    ADVANCED CONFIGURATION Expand by Ground/Center When the voltage scale is changed, the Expand Background function designates whether the signal expands from the center of the screen or from the signal ground level. Expand by center can be used to easily see if a signal has a voltage bias. Expand by ground is the default setting.
  • Page 112: Select Probe Type

    MDO-2000A series User Manual Expand by Ground Expand by Ground Expand by Center Expand by Center Select Probe Type A signal probe can be set to voltage or current. Background 1. Press the Channel key. Panel Operation 2. Press Probe from the bottom menu.
  • Page 113: Select Probe Attenuation Level

    ADVANCED CONFIGURATION Select Probe Attenuation Level An oscilloscope probe has an attenuation switch to Background lower the original DUT signal level to the oscilloscope input range, if necessary. The probe attenuation selection adjusts the vertical scale so that the voltage level on the display reflects the real value on a DUT.
  • Page 114 MDO-2000A series User Manual 3. Press Deskew on the side menu and use the Variable knob to set the deskew time. Alternatively, press Set to 0s to reset the deskew time. -50ns~50ns, 10ps increments Range 4. Repeat the procedure for another channel if...
  • Page 115: Bus Key Configuration

    ADVANCED CONFIGURATION Bus Key Configuration The Bus key is used to configure the Serial bus inputs. The Bus menu also features event tables to track and save your bus data. The Bus key is used in conjunction with the Bus trigger (page 151) to decode serial bus signals.
  • Page 116: Serial Bus Overview

    MDO-2000A series User Manual Purple = Break, Sync and Checksum LIN: errors, Wakeup Yellow = Identifier, Parity Cyan = Data Red = Error type If there is an error/missing acknowledgement in Error decoding the data, a red error indicator will be...
  • Page 117 ADVANCED CONFIGURATION Configuration Baud rate, Parity, Packets, End of packets, Input polarity Tx Start Bit, Rx Start Bit, Tx End of Trigger On Packet, Rx End of Packet, Tx Data, Rx Data, Tx Parity Error, Rx Parity Error Inter Integrated Circuit is a two line serial data interface with a serial data line (SDA) and serial clock line (SCLK).
  • Page 118: Uart Serial Bus Configuration

    MDO-2000A series User Manual Sync, Identifier, Data, Id & Data, Trigger On Wakeup Frame, Sleep Frame, Error UART Serial Bus Configuration The UART bus menu is designed to decode RS-232 and other common RS-232 variants such as RS-422, RS-485. The software configuration is also flexible enough to decode the many proprietary protocols based on RS-232.
  • Page 119 ADVANCED CONFIGURATION 2. Press the BUS key. 3. Press Bus from the bottom menu and choose the UART serial bus on the side menu. 4. Press Define Inputs from the bottom Define Inputs menu. 5. From the side menu choose the Tx Input and the Rx Input source and the signal polarity.
  • Page 120: I 2 C Serial Bus Interface

    MDO-2000A series User Manual On, Off Packets 00(NUL), OA(LF), OD(CR), 20(SP), End of Packet (Hex) C Serial Bus Interface The I C bus is a 2 wire interface with a serial data line (SDA) and serial clock line (SCLK). The I C protocol supports 7 or 10 bit addressing and multiple masters.
  • Page 121: Can Serial Bus Interface

    The CAN bus is a multi-master communication system that relies on arbitration to solve contention issues. The MDO-2000A series supports both CAN 2.0A and 2.0B. The CAN bus uses two wires, CAN-High and CAN-Low. These wires are voltage inverted, and as such, the MDO-2000A Series only needs one wire, CAN-High or CAN-Low for decoding.
  • Page 122: Lin Serial Bus Interface

    MDO-2000A series User Manual 3. Press Bus from the bottom menu and choose the CAN serial bus. 4. Press Define Inputs from the lower Define Inputs menu. 5. From the side menu choose the CAN Input inputs and the signal type.
  • Page 123 ADVANCED CONFIGURATION Analog LIN input 2. Press the Bus key. 3. Press Bus from the bottom menu and choose the LIN serial bus. 4. Press Define Inputs from the lower Define Inputs menu. 5. From the side menu choose the LIN input and the polarity of the bus.
  • Page 124: Bus Encoding

    MDO-2000A series User Manual On, Off Include Parity Bits with Id Bus Encoding The bus that is displayed on the screen or in the Background event tables can be set to either hex or binary formats. Press Bus Display from the Bus menu...
  • Page 125: Serial Bus Event Tables

    ADVANCED CONFIGURATION 2.5V 5.0V CMOS 1.65V 3.3V CMOS 1.25V 2.5V CMOS -1.3V 3.7V PECL 4. Press Threshold to set a user defined threshold for the currently selected input. For the analog channels, the threshold level depends on the vertical scale : Scale Range Scale...
  • Page 126 MDO-2000A series User Manual page 126 for details. 1. Press Event Table from the bottom Operation menu. 2. Press Event Table from the side menu to turn the event table on or off. On, Off Event Use the Variable knob to scroll through the event table.
  • Page 127 ADVANCED CONFIGURATION Example: Errors Time of trigger UART Event table Select cursor Example: Repeat Start Data at address Time of trigger Address Missing Ack C Event table Select cursor Example: Time of trigger Address C Data Detail Select cursor Data at cursor position Note Data Detail is only available with the I...
  • Page 128: Event Tables Format

    MDO-2000A series User Manual Example: Identifier CRC Missing ACK Time of trigger Data CAN Event table Select cursor Example: Identifier Data Errors Time of trigger Parity Checksum LIN Event table Select cursor Event Tables Format Each bus type (UART, I C, CAN and LIN) can have an event table saved containing each bus event as a .CSV file.
  • Page 129: Adding A Label To A Bus

    ADVANCED CONFIGURATION Event Table Data Each event table saves a timestamp of each event relative to the trigger as well as the data in each frame/packet at the time of an event. The frame/packet data is saved in HEX format. The table below lists in order the data saved for each event table.
  • Page 130 MDO-2000A series User Manual 3. Press Edit Character to edit the Edit Label current label. 4. The Edit Label window appears. 5. Use the Variable knob to highlight a character. VARIABLE Press Enter Character to select a number or letter.
  • Page 131: Using Cursors With The Serial Bus

    ADVANCED CONFIGURATION Press Cancel to cancel the editing and return to the Edit Label menu. 6. The label will appear next to the bus indicator. Below, the label “ACK” was created for the bus. The bus is labeled as ACK Press Label Display to toggle the label Remove Label on or off.
  • Page 132 MDO-2000A series User Manual 3. The cursor position information appears on the top left hand side of the screen. Example: I C cursors. Hor. position, Bus value(s) Cursor Hor. position, Bus value(s) Cursor 4. Use the Variable knob to move the VARIABLE movable cursor(s) left or right.
  • Page 133: Trigger

    ADVANCED CONFIGURATION Trigger The trigger configures the conditions for when the MDO-2000A SERIES captures a waveform. Trigger Type Overview The edge trigger is the simplest trigger type. An Edge edge trigger triggers when the signal crosses an amplitude threshold with either a positive or negative slope.
  • Page 134 MDO-2000A series User Manual Delay trigger example (by time) Edge trigger Delay Source Delay time length First triggering point Triggers when the pulse width of the signal is less Pulse Width than, equal, not equal or greater than a specified pulse width.
  • Page 135: Trigger: Types And Sources

    ADVANCED CONFIGURATION Triggers when the signal stays high, low or either Timeout for a designated amount of time. The trigger level determines when a signal is high or low. Trigger level threshold Timer Triggering point Triggers on UART, I2C, CAN or LIN bus events. Trigger: types and sources Sources versus Trigger sources...
  • Page 136 The Source Bus is not configurable from the Trigger Note menu. The field is automatically filled according to the Bus menu configuration (see page 113). The MDO-2000A SERIES generates an Trigger Mode Auto (un- internal trigger if there is no trigger...
  • Page 137 ADVANCED CONFIGURATION When pressing the Single Single Single key, the MDO-2000A SERIES acquires a waveform only once when a trigger event occurs, and then stops acquiring (the oscilloscope falls into Stop mode). Press the Single key to acquire a waveform again. Please refer to Run/Stop mode for more details (page 37).
  • Page 138 MDO-2000A series User Manual Set to 50% Sets the trigger level to 50 % 50% of the waveform amplitude. Only available when the trigger source is digital. Level (Edge, Delay) Adjusts the trigger level Level when the source is digital.
  • Page 139 ADVANCED CONFIGURATION Sets the source trigger to the Set to Minimum minimum time. Sets the pulse width (4ns ~ 10s) and the triggering When condition. (Pulse Width) Longer than Equal to > Shorter than ≠ Not equal to < Sets the amplitude threshold level for the pulse Threshold widths.
  • Page 140 MDO-2000A series User Manual National Television System Standard NTSC Committee (Video) Phase Alternate by Line SEquential Couleur A Memoire SECAM Positive polarity (triggered on the Polarity high to low transition) (Pulse Width, Negative polarity (triggered on the Video) low to high transition)
  • Page 141 ADVANCED CONFIGURATION Start of Frame, Type of Frame, Identifier, Data, Id & Data, End of Frame, Missing Ack, Bit Stuffing Err Sync, Identifier, Data, Id & Data, Wakeup Frame, Sleep Frame, Error Selects the conditions for the parallel bus trigger. Data (Bus) A Binary or Hexadecimal word.
  • Page 142: Setup Holdoff Level

    MDO-2000A series User Manual Setup Holdoff Level The holdoff function defines the waiting period Background before the MDO-2000A starts triggering again after a trigger point. The holdoff function ensures a stable display if there are a number of points in a periodic waveform that can be triggered.
  • Page 143: Setup Trigger Mode

    ADVANCED CONFIGURATION Setup Trigger Mode The trigger mode can be set to Normal or Auto Background (untriggered roll). The triggering mode applies to all the trigger types. 1. Press the Trigger menu key. Panel Operation Menu 2. Press Mode from the bottom menu to change the triggering mode.
  • Page 144 MDO-2000A series User Manual Channel 1 ~2 (Alternate On/Off), Range EXT (Ext Probe: Volt/Current, Attenuation: 1mX~1kX, CH2 models only) and AC Line. 6. Press Coupling from the bottom bezel menu to select the trigger coupling or frequency filter settings. Choose the coupling from the side menu.
  • Page 145: Using Advanced Delay Trigger

    ADVANCED CONFIGURATION Using Advanced Delay Trigger 1. Set the edge trigger source. This Panel Operation Page 141 will set the initializing trigger for the delay source. 2. Press the trigger Menu key. Menu 3. Press Type from the lower bezel menu.
  • Page 146: Using Pulse Width Trigger

    MDO-2000A series User Manual 7. To set the delay press Delay from the bottom bezel. 8. To Delay by Time (Duration), press Time from the side menu and set the delay time. 4ns ~ 10s (by time) Range Set to minimum 9.
  • Page 147: Using Video Trigger

    ADVANCED CONFIGURATION Channel 1 ~2 (Alternate On/Off), Range EXT (Ext Probe: Volt/Current, Attenuation: 1mX~1kX, CH2 models only) and AC Line. 6. Press Polarity to toggle the polarity type. Positive (high to low transition) Range Negative (low to high transition) 7. Press When from the lower bezel. Then use the side menu to select the pulse width condition and width.
  • Page 148 MDO-2000A series User Manual 2. Press the Type key from the lower bezel menu. 3. Select Video from the side menu. The video trigger indicator appears at the bottom of the display. From left: source, video standard, field, line, coupling 4.
  • Page 149: Pulse Runt Trigger

    ADVANCED CONFIGURATION Even Field NTSC: 1 ~ 262 PAL/SECAM: 1 ~ 312 HDTV: 1~563(1080i) Triggers on all fields. All Fields Triggers on all lines. All Lines 8. Press Polarity to toggle the polarity type. positive, negative Range Pulse Runt trigger 1.
  • Page 150: Using Rise And Fall Trigger

    MDO-2000A series User Manual 5. Press Polarity to toggle the polarity. Rising edge, falling edge, either. Range 6. Press When from the lower menu. Then use the side menu to select the condition and width. > , < , = , ≠...
  • Page 151 ADVANCED CONFIGURATION  3. Select Others Rise and Fall from the side menu. The Rise and Fall indicator appears at the bottom of the display. From left: slope, source, high/low threshold, threshold level, coupling 4. Press Source from the lower menu. Use the side menu to select a source.
  • Page 152: Using The Timeout Trigger

    MDO-2000A series User Manual Using the Timeout Trigger 1. Press the trigger Menu key. Panel Operation Menu 2. Press the Type key from the lower bezel menu. 3. Select Others  Timeout from the side menu. The Timeout indicator appears at the bottom of the display.
  • Page 153: Using The Bus Trigger

    ADVANCED CONFIGURATION 6. Toggle Noise Rejection On or Off from the Coupling side menu. On, Off Range 7. Press Trigger When from the lower menu. Then use the side menu to select trigger conditions. Stays High, Stays Low, Either Condition 8.
  • Page 154: Uart Bus Trigger Settings

    MDO-2000A series User Manual UART BUS Trigger Settings The UART bus trigger conditions can be set at any time after the bus settings have been set to UART. Panel Operation 1. Set the Bus to UART in the bus Page 116 menu.
  • Page 155: I 2 C Bus Trigger Settings

    ADVANCED CONFIGURATION 7. Press Number of Bytes from the side menu and choose the number of bytes for the data. 1~10 Bytes UART 8. Press Data from the side menu to edit the triggering data. To edit the data, use the Variable VARIABLE knob to highlight a binary or hex digit and press Select.
  • Page 156 MDO-2000A series User Manual The Trigger on settings will be reflected on the Trigger Configuration icon. From left: Bus trigger, Trigger source 5. Press Trigger On and select the triggering condition for the selected bus. Trigger On Start, Repeat Start, Stop, Missing...
  • Page 157 ADVANCED CONFIGURATION 9. Press Data from the side menu to edit the triggering data. To edit the data, use the Variable VARIABLE knob to highlight a binary or hex digit and press Select. Use the Variable knob to choose a value for the digit and press Select to confirm.
  • Page 158 MDO-2000A series User Manual Description Address General Call 0000 000 0 START Byte 0000 000 1 Hs-mode 0000 1XX X EEPROM 1010 XXX X CBUS 0000 001 X Press Apply Preset to set the default address to the preset. Presets are not available for Trigger On Note ...
  • Page 159: Can Bus Trigger

    ADVANCED CONFIGURATION CAN Bus Trigger The CAN bus trigger conditions can be set at any time after the bus setting has been set to CAN. Panel Operation 1. Set the Bus to CAN in the bus Page 119 menu. 2. Press the Trigger Menu key. Menu 3.
  • Page 160 MDO-2000A series User Manual 7. If Identifier/Id & Data was configured for the Trigger On – Trigger On setting, select the format from the Identifier side menu. Standard, Extended Format 8. Press Identifier from the side menu to set the identifier data.
  • Page 161: Lin Bus Trigger

    ADVANCED CONFIGURATION 12. Press Data from the side menu to edit the triggering data. To edit the data, use the Variable VARIABLE knob to highlight a binary or hex digit and press Select. Use the Variable knob to choose a value for the digit and press Select to confirm.
  • Page 162 MDO-2000A series User Manual 4. Select Others → Bus from the side menu. The Bus indicator appears at the bottom of the display. From left: Bus trigger, Trigger source 5. Press Trigger On and select the triggering condition for the selected bus.
  • Page 163 ADVANCED CONFIGURATION 9. Press Number of Bytes from the side menu and choose the number of bytes for the data. 1~8 Bytes Bytes 10. Press Data from the side menu to edit the triggering data. To edit the data, use the Variable VARIABLE knob to highlight a binary or hex digit and press Select.
  • Page 164: Search

    MDO-2000A series User Manual Search The search feature can be used to search for events on the analog and digital input channels. The events that can be searched for are similar to the events that are used for the trigger system. The only difference is that the search feature uses the measurement threshold levels rather than the trigger level to determine events.
  • Page 165 ADVANCED CONFIGURATION 1. Press the Search menu key. Panel Operation Search 2. Press Search from the bottom menu and turn the Search function on. 3. Press Search Type from the bottom menu and select the type of search. The search events are configured in the same fashion as the trigger events.
  • Page 166: Copying Search Event To/From Trigger Events

    MDO-2000A series User Manual Copying Search Event To/From Trigger Events As the trigger system and search feature have Background similar settings, their settings can be used interchangeably by using the Copy functions. Interchangeable Edge, Pulse Width, Pulse Runt, Rise and Fall Times,...
  • Page 167: Save Search Marks

    ADVANCED CONFIGURATION 3. Use the search arrow keys to move between each search event. Search events can be navigated in both stop and run mode. When using the arrow keys to navigate to each event, the “current event” will always be centered on the display.
  • Page 168: Setting/Clearing Single Search Events

    MDO-2000A series User Manual Each time the Save All Marks function is used, the Note previously saved marks will also be retained, unless cleared. Setting/Clearing Single Search Events In addition to searching for search events based on Background Search Type settings, custom search marks can be created with the Set/Clear key.
  • Page 169: Fft Peak

    ADVANCED CONFIGURATION FFT Peak The FFT Peak search type can be used to mark all Background FFT peaks that are above a certain threshold. Search events Threshold level Number of events or peak amplitude The search function can support up to 10,000 events, Note however only 1,000 events can be displayed on screen at once.
  • Page 170 MDO-2000A series User Manual 6. Next, select the event search method by pressing Method from the bottom menu. Select Max Peak to search by a selected number of “max” peaks. Select Level to set the threshold level for the search events. Any peaks above the threshold level will be seen as a search event.
  • Page 171 ADVANCED CONFIGURATION Peak Event Table The Event Table function tabulates the amplitude and frequency of each peak event in real time. The event table can also be saved to a USB disk drive. File names are saved as a PeakEventTbXXXX.csv, where XXXX is a number starting from 0001 and is incremented each time the event table is saved.
  • Page 172 MDO-2000A series User Manual The format for the CSV file is the same as the event Event Table CSV table displayed on the MDO-2000A SERIES screen; Format No., Frequency, and Value. For example: Frequency Value 1.0000MHz -29.6dB 2.0000MHz -30.4dB 3.0000MHz -32.0dB...
  • Page 173: System Settings And Miscellaneous Settings

    This section describes how to set the interface, language, time/date, probe compensation signal, erase the internal memory and access useful QR codes. Select Menu Language The MDO-2000A SERIES has a number of different Description languages to choose from. 1. Press the Utility key.
  • Page 174: Erase Memory

    MDO-2000A series User Manual Erase Memory The Erase Memory function will erase all internal Background waveforms, setup files and labels from internal memory. Waveform 1~20, Setting memory 1~20, Reference Erased Items 1~4, Labels 1. Press the Utility key. Panel Operation Utility 2.
  • Page 175: Set Date And Time

    ADVANCED CONFIGURATION Set Date and Time 1. Press the Utility key. Panel Operation/ Utility Parameter 2. Press Date & Time on the lower menu. 3. Set the Year, Month, Day, Hour and Minute from the side menu. 2000 ~ 2037 Year 1 ~ 12 Month...
  • Page 176: Qr Code Reader Function

    MDO-2000A series User Manual 1. Press the Utility key. Panel Operation/ Utility Parameter 2. Press Probe Comp. on the lower menu. 3. Press Frequency and change the frequency of the probe compensation signal. Default Frequency 4. Press Default to set the frequency of the probe compensation signal to 1kHz default.
  • Page 177 ADVANCED CONFIGURATION 4. Press QR Code from the side menu. There will be two pages of QR codes to choose from. Press Page 1 or Page 2 to navigate to each page. 5. Use a QR code reader app on your smart phone or tablet to read one of the QR codes.
  • Page 178: Arbitrary Wave Generator

    MDO-2000A series User Manual RBITRARY WAVE GENERATOR Arbitrary Wave Generator Operation ......177 Overview ....................177 Rear Panel ....................177 AWG Display Overview ..............178 Generator Connection ................. 178 Output Setup ..................179 Select the Active Channel ............... 179 Turn the Output On for the Selected Channel........180 Setting the Load Impedance ..............
  • Page 179: Arbitrary Wave Generator Operation

    ARBITRARY WAVE GENERATOR Arbitrary Wave Generator Operation Overview The AWG is a full-function dual channel arbitrary Background waveform generator. Arbitrary, Sine, Square, Pulse, Ramp, DC, Noise, Waveforms Sinc, Gaussian, Lorentz, Exp. Rise, Exp. Fall, Haversine, Cardiac AM, FM, FSK, Sweep Functions Rear Panel GEN2 output...
  • Page 180: Awg Display Overview

    MDO-2000A series User Manual AWG Display Overview State Display generator status The state display is used to visually show the State Display major channel settings when you are in the AWG menu. AWG Generator The AWG channel status indicators show the Status Indicators active channels, output waveforms and function.
  • Page 181: Output Setup

    ARBITRARY WAVE GENERATOR 1. Connect the BNC output (GEN1 or GEN2) to Connection the DUT using the GTL-101 BNC-Alligator clip cables. GEN1 GEN2 Output Setup The Output Setup menu allows you to select a channel, to turn the output on or off for the selected channel, configure the load impedance and the phase of the output.
  • Page 182: Turn The Output On For The Selected Channel

    MDO-2000A series User Manual 4. Press Select from the side menu and choose GEN1 or GEN2. Turn the Output On for the Selected Channel The output for each generator channel can be Background turned on or off independently. 1. Press Output to toggle the selected Panel Operation channel on or off.
  • Page 183: Gen1 And Gen2 Setup

    ARBITRARY WAVE GENERATOR GEN1 and GEN2 Setup The GEN1 Setup and GEN2 Setup selects the output waveform, waveform settings (amplitude, frequency, offset), modulation mode or allows you to create arbitrary waveforms. Selecting a Waveform The AWG option has 14 selectable waveforms, Background including a user-created arbitrary waveform.
  • Page 184: Waveform Settings

    MDO-2000A series User Manual Arbitrary, sine, square, pulse, Selectable waveforms ramp, DC, Noise, Sinc, Gaussian, Lorentz, Exp. Rise, Exp. Fall, Haversine, Cardiac. Waveform Settings The Waveform Settings sub menu selects the Background Frequency, amplitude and offset settings for currently selected waveform in the GEN1 or GEN2 Setup menu.
  • Page 185 ARBITRARY WAVE GENERATOR 4. Use the Left and Right arrow keys to select a base unit and use the variable knob to increase the amplitude by that base unit, as shown in the Amplitude window. 5. Default can be pressed to set the amplitude to 1.00Vpp.
  • Page 186 MDO-2000A series User Manual 8. Use the Left and Right arrow keys to select a base unit and use the variable knob to increase the offset by that base unit, as shown in the Offset window. 9. Default can be pressed to set the Offset to 0.00Vdc.
  • Page 187: Am Modulation

    ARBITRARY WAVE GENERATOR AM Modulation Amplitude modulation can be used for either Background channel. All waveforms except Noise and DC can be used as the carrier wave. Sine, square, pulse, ramp and noise can be selected as the modulating waveform. Example 1.
  • Page 188 MDO-2000A series User Manual 3. From the side menu, turn Modulation on. 4. Press AM to select AM modulation and to enter the AM modulation setup menu. 5. Press Depth to set the modulation Set the depth. Modulation Depth 0.0% ~ 120.0% Depth 6.
  • Page 189: Fm Modulation

    ARBITRARY WAVE GENERATOR 11. Press Rate to set the rate (noise Rate wave). (Noise wave only) 1kHz ~ 10MHz Noise Exit AM Settings 12. Press Go Back to exit the AM settings. FM Modulation Frequency modulation can be used for either Background channel.
  • Page 190 MDO-2000A series User Manual Select the waveform from the side menu. This will be the carrier wave. Sine, square, ramp Carrier Waves 2. Press the Modulation from the bottom menu. 3. From the side menu, turn Modulation on. 4. Press FM to select FM modulation and to enter the FM modulation setup menu.
  • Page 191: Fsk Modulation

    ARBITRARY WAVE GENERATOR 1% ~ 99% Dutycycle 10. Press Symmetry to set the Symmetry (Ramp wave only) symmetry (ramp wave). 0% ~ 100% Symmetry 11. Press Rate to set the rate (noise Rate wave). (Noise wave only) 1kHz ~ 10MHz Rate 12.
  • Page 192 MDO-2000A series User Manual Press GEN1 Setup or GEN2 Setup for generator 1 or generator 2, respectively. Press Waveform from the bottom menu. Select the waveform from the side menu. This will be the carrier wave. Sine, square, ramp Carrier Waves 2.
  • Page 193: Sweep

    ARBITRARY WAVE GENERATOR Sweep The Sweep function can be used with sine, square Background and ramp waveforms for either channel. The function supports linear or logarithmic sweeping as well as up or down sweeping. Example 1. Select the waveform from the GEN1 Panel Operation Setup/GEN2 Setup menu: Press GEN1 Setup or GEN2 Setup...
  • Page 194 MDO-2000A series User Manual 4. Press Type to set the sweep to Type of Sweep linear or logarithmic. Linear, Log Type 5. Press the Start or Stop soft-keys to Start and Stop Frequency set the start and stop frequency, respectively.
  • Page 195: Manage Arbitrary Waveforms

    ARBITRARY WAVE GENERATOR 9. Press SWP Time to set how long Sweep Time the sweep takes to go from the start to the stop frequency. 5.0us ~ 10s Sweep time Manage Arbitrary Waveforms The Arbitrary Waveform menus allow you to create, edit, recall and save arbitrary waveforms.
  • Page 196: Edit An Existing Arb Waveform

    MDO-2000A series User Manual Press Waveform from the bottom menu. Select Arbitrary from the side menu. 2. Press the Waveform Edit from the bottom menu. 3. From the bottom menu select Create New. 4. Press Initial Points to set the number of points for the waveform length.
  • Page 197 ARBITRARY WAVE GENERATOR Normal Edit: Editing Methods The Normal Edit function allows you to insert or delete points at any position on a waveform. Function Edit: The Function Edit function allows you to edit the waveforms in a number of different ways: Point/Line: Insert a point or horizontal line ...
  • Page 198 MDO-2000A series User Manual Press Waveform from the bottom menu. Select Arbitrary from the side menu. 2. Press the Waveform Edit from the bottom menu. 3. From the bottom menu select Edit Edit Existing Existing. This will allow you to edit the ARB waveform that is currently loaded in memory.
  • Page 199 ARBITRARY WAVE GENERATOR c. Press Insert Point. The inserted point will increase the length of the waveform by one point. Delete Point: d. Press Delete Point to delete the point set with the “Point” soft-key. The overall length of the waveform will be shortened by one point.
  • Page 200 MDO-2000A series User Manual Press Point/Level again to select the amplitude (Level) 1 ~ user-defined point position Point ±1.25Vdc (Load: 50Ω) Level ±2.5Vdc (Load: High Z) b. Press Length to set the length of the line. 0 ~ user-defined point length Length c.
  • Page 201 ARBITRARY WAVE GENERATOR Press Point1/Level1 again to select the amplitude (Level) of the start point. 1 ~ user-defined point position Point1 ±1.25Vdc (Load: 50Ω) Level1 ±2.5Vdc (Load: High Z) b. Press Point2/Level2 once to select the point’s X axis end point.
  • Page 202 MDO-2000A series User Manual a. Press Scale and use the variable knob to set the scale of the waveform vertically. Note: If the waveform exceeds the maximum amplitude it will be clipped. 0.1x ~ 10X Scale b. Press Go Back to go back to the previous menu.
  • Page 203 ARBITRARY WAVE GENERATOR d. Press Preview. The desired edit will then be previewed on the screen. The pasted section will be shown as a yellow box on the screen. e. Press Done to confirm the edit, or press Undo to cancel. f.
  • Page 204: Load Arb Waveform

    MDO-2000A series User Manual Load ARB Waveform ARB waveforms can be loaded from internal Background memory or from an external USB storage. 1. Select a waveform from the GEN1 Setup/GEN2 Panel Operation Setup menu: Press GEN1 Setup or GEN2 Setup for generator 1 or generator 2, respectively.
  • Page 205: Save Arb Waveform

    ARBITRARY WAVE GENERATOR 5. To load a file from an external USB or from the internal flash memory, press From File. The last file that was saved to USB or the internal flash memory will be displayed in the icon. 6.
  • Page 206 MDO-2000A series User Manual Press Waveform from the bottom menu. Select Arbitrary from the side menu. 2. Press Waveform Edit from the bottom menu. 3. From the bottom menu select Save Waveform. 4. To save to one of the internal memory slots,...
  • Page 207 ARBITRARY WAVE GENERATOR VARIABLE Press Enter Character or the Select key to select a number or letter. Press Back Space to delete a character. 9. Press Save Now to save the file. Note: Pressing Cancel will cancel the save operation and return you to the Save Waveform menu.
  • Page 208: Coupling And Tracking Waveforms Settings

    MDO-2000A series User Manual Coupling and tracking waveforms settings GEN1 and GEN2 waveforms can be coupled in Background terms of frequency and/or amplitude. Similarly, waveform settings can also be tracked and be duplicated from one waveform to the other. 1. From the bottom menu of the AWG menu:...
  • Page 209 ARBITRARY WAVE GENERATOR 5. Press Freq Cpl Type to set the type of frequency coupling. OFF, Offset, Ratio Freq Cpl Type: Frequency from both generated waveforms can be coupled with a fixed offset or with a constant ratio. 6. Select Offset from the Freq Cpl Type menu and press Offset on the side menu to configure the offset of the frequency coupling.
  • Page 210 MDO-2000A series User Manual 11. Use the Left and Right arrow keys to select a base unit and use the variable knob to increase or decrease the ratio by that base unit, as shown in the Ratio window. 12. Default can be pressed to set the Ratio to 1.000.
  • Page 211 ARBITRARY WAVE GENERATOR 16. You can also reset the phase to 0° Reset the phase between the two waveforms by pressing S_Phase.
  • Page 212: Spectrum Analyzer

    MDO-2000A series User Manual PECTRUM ANALYZER Spectrum Analyzer operation ........211 Overview ....................211 Display Overview ................. 212 Connections ................... 213 Configuration ..................213 Selecting the source ................. 214 Setting the trace mode options (Trace type) ........214 Setting the Detection Method ............... 217 Configuring the Frequencies and Span..........
  • Page 213: Spectrum Analyzer Operation

    SPECTRUM ANALYZER Spectrum Analyzer operation Overview The Spectrum Analyzer is a real-time spectrum Background analyzer specially designed for the MDO-2000A SERIES. It conveniently allows users to analyze the signal in the frequency domain. Hanning, Rectangular, Hamming, Blackman Windows Frequency range DC to 1GHz Max. (Frequency which exceeds analog front end bandwidth is uncalibrated) 1kHz to 1GHz Max.
  • Page 214: Display Overview

    MDO-2000A series User Manual Display Overview Zero Peaks level Start and stop frequencies Trace type Main Waveform in display frequency domain Events State View Source and V scale Center frequency Span and resolution The Spectrum Analyzer main display can show...
  • Page 215: Connections

    Active peak marker Connections The Spectrum Analyzer uses the analog channel Background inputs of the MDO-2000A SERIES. 1. Connect the desired signal source to one of the Connection analog channel input of the DSO using BNC connectors. Configuration Setting up a spectrum trace can be done by following the...
  • Page 216: Selecting The Source

    MDO-2000A series User Manual Selecting the source Before any visualization or measurement can be Background performed on the spectrum analyzer, it must first be associated with a source. 1. Press the Option key. Panel Operation Option 2. Press Spectrum Analyzer from the bottom menu.
  • Page 217 SPECTRUM ANALYZER Normal: the Spectrum Analyzer continuously Definitions updates the display with each sweep. Max/Min Hold: the maximum/minimum points are maintained for the selected trace. The trace points are updated each sweep if a new maximum/minimum point is found. Average: this mode averages the trace for a user- defined number of times before it is displayed.
  • Page 218 MDO-2000A series User Manual 4. From the side menu, press once on the MaxHold button to toggle this trace option to On. Press again to toggle it to Off. 5. From the side menu, press once on the MinHold button to toggle this trace option to On.
  • Page 219: Setting The Detection Method

    SPECTRUM ANALYZER Example Setting the Detection Method Each time the Spectrum Analyzer samples data, a Background number of samples are usually taken for each point to display, known as a sample bucket. The actual value of each point is determined by the detection method.
  • Page 220: Configuring The Frequencies And Span

    MDO-2000A series User Manual 4. Press the button Auto/Manual once to toggle the detection method to Manual and be able to fine tune the detection method for each type of trace. Press the Auto/Manual button once more to toggle it back to Auto.
  • Page 221 SPECTRUM ANALYZER menu. 3. Press the Center button to display a list of frequencies step- resolution. The variable knob can be used to select one. Press again on the Center button; the variable knob can now be used to set the frequency in increments of the chosen step resolution.
  • Page 222 MDO-2000A series User Manual Panel Operation 5. Press the Span button to display a list of frequencies step- resolution. The variable knob can be used to select one. Press again on the Span button; the variable knob can now be used...
  • Page 223 SPECTRUM ANALYZER Start frequency. As a consequence, when one crosses the other’s value, the Start or Stop frequency will automatically be adjusted to the next highest/smallest step. Panel Operation 7. Press the Start or Stop button to display a list of frequencies step- resolution.
  • Page 224: Configuring The Bandwidth

    MDO-2000A series User Manual Pressing this button will set the Peak to center frequency location of the spectrum peak as the new center frequency of the Spectrum Analyzer. Configuring the Bandwidth The bandwidth menu gives the possibility of Background configuring the resolution bandwidth as well as the type of window used for the spectral analysis.
  • Page 225: Configuring The Amplitude

    SPECTRUM ANALYZER The type of window used for spectrum analysis Window type can be chosen. Each window type is characterized by making a tradeoff between the frequency resolution and the amplitude accuracy. Please see the note below. 6. Press the Window button and change the window type using the variable knob.
  • Page 226 MDO-2000A series User Manual 3. Choose a vertical unit by toggling the Vertical Units button to dBV RMS, Linear RMS or dBm using the variable knob. When the setting unit is dBm, connect a 50 Ohm feed Note through termination on BNC.
  • Page 227: Measurement

    SPECTRUM ANALYZER Measurement The Spectrum Analyzer of the MDO-2000A is compatible with a certain number of measurement tools such as the search function and the use of cursors, enabling detailed analysis of the signal characteristics in the frequency domain. Using the Search function When the Spectrum Analyzer is on, pressing the Background Search key and turning on the Search function will...
  • Page 228: Using The Cursors

    MDO-2000A series User Manual 4. You can configure the Event state display by toggling the State Info button either to Mark or to Peak. Mark: displays the overall number of peaks and the current active peak. Peak: gives frequency and level details of the current active peak.
  • Page 229 SPECTRUM ANALYZER cursor For more details about the function, please Note MDO-2000A User Manual Cursor refer to the chapter. Use the Save / Recall menu to save the spectrum data as a CSV file in SA mode, but you can’t recall the file to the screen.
  • Page 230 MDO-2000A series User Manual PPLICATIONS Introduction ............. 229 Overview ....................229 Running Applications ................230 Go-NoGo application ..........232 DVM application ............237 Data Log application ..........239 Digital Filter application .......... 241 Mask application ............. 243 Select the source channel ..............243 Configure the mask violation .............
  • Page 231: Applications

    The Application (APP) function allows different Background software applications to be run. The MDO-2000A comes pre-installed with a number of apps, as described below. Please see your local GW Instek distributor for the latest information on new apps. The Go/No-Go application can Included...
  • Page 232: Running Applications

    MDO-2000A series User Manual This app allows the scope to Mount Remote mount a network share drive. Disk The Demo app, when combined Demo with the GDB-03 demo board, allows the scope to trigger a number of different signals from the demo board.
  • Page 233 APPLICATIONS 3. Scroll through each application using the Variable knob. 4. Select an application by pressing Select ×2 the Select key twice.
  • Page 234: Go-Nogo Application

    MDO-2000A series User Manual Go-NoGo application The Go-NoGo test checks if a waveform fits inside Background a user-specified maximum and minimum boundary. Boundary templates are automatically created from a source channel. Boundary tolerances and violation conditions can be set. Choose the Go_NoGo application from the APP menu.
  • Page 235 APPLICATIONS 2. Press Go Back to return to the previous menu. 3. Press Violating to set what action to Set Go-NoGo perform when a signal violates the Actions Go-NoGo conditions. The waveform stops when the conditions are violated. Ignore violations and continue to monitor the signal.
  • Page 236 MDO-2000A series User Manual 8. To set the boundary tolerance as a Auto Tolerance percentage offset from the source waveform, press Auto Tolerance VARIABLE and use the Variable knob. 0.4% ~ 40% (.4% steps) Offset 9. To manually set the template...
  • Page 237 APPLICATIONS Start test Test stopped Stop test When Go-NoGo is running, the violation/test ratio Results is displayed in the bottom left-hand corner. The first digit represents the number of violations, and the right hand digit represents the number of tests. Tolerance Maximum position...
  • Page 238 MDO-2000A series User Manual To output the Go-NoGo results to an Using the Go- external device, the Go-NoGo rear NoGo Output panel terminal (open collector) can be used. The Go-NoGo terminal will output a positive pulse each time a NoGo violation has occurred for a minimum of 500us.
  • Page 239: Dvm Application

    APPLICATIONS DVM application The DVM app is a digital voltage meter or digital Background current meter readout that floats on the top left- hand side of the screen. However, please note that if the cursors (refer to page 55) are turned on, the DVM readout will be replaced by the cursor readout.
  • Page 240 MDO-2000A series User Manual Choose the DVM application from the Panel Operation APP menu. See page 230. 1. Press Source and select the source Set Source channel for the DVM. The probe type setting (voltage or current) determines whether the function...
  • Page 241: Data Log Application

    APPLICATIONS Data Log application The Data Log app will log the current waveform Background data or screenshot at set intervals for a set duration of time. Basic Features: Log up to 1000 hours of images or waveform  data. The minimum interval is 2, or 5 seconds, and ...
  • Page 242 MDO-2000A series User Manual 2. Press Log to from the side menu and select what type of data to log, waveform data or screenshots. Image, Waveform Log to 3. Press Source from the side menu and select a source channel to log if waveforms are to be logged.
  • Page 243: Digital Filter Application

    APPLICATIONS Digital Filter application The Digital Filter app is a digital high, low, band Background pass filter with a selectable cutoff frequency. The digital filter can be applied to analog channel individually or together using the tracking functionality. Basic Features: high, low, band pass filtering of analog ...
  • Page 244 MDO-2000A series User Manual 1. Select a source channel by pressing Set Source CH1Filter, CH2 Filter. 2. From the side menu press Filtering and turn on. 3. Press Filter Type and select low, high, or band pass filter. Low Pass, High Pass, Band Pass Type 4.
  • Page 245: Mask Application

    APPLICATIONS Mask application The Mask application allows the user to create Background shape templates for easy comparison of an input signal with a defined shape. Choose the Mask application from the Panel Operation APP menu. See page 230. Select the source channel 1.
  • Page 246: Auto Mask

    MDO-2000A series User Manual 2. Press the Stop button to stop the data acquisition and freeze the screen when the source waveform crosses the mask boundary (mask violation condition). Conversely, press the Continue button to continue acquiring data even when a mask violation condition is encountered.
  • Page 247 APPLICATIONS 3. Use the Variable knob to select the reference source (CH1 or CH2 for 2 channels model). 4. Press the Edit button from the side menu if you want to further adjust the mask pattern. Otherwise, go to step 9 below to create the mask directly without adjustment.
  • Page 248 MDO-2000A series User Manual 6. Press the X Mask button from the side menu and use the Variable knob to adjust the horizontal deviation of the mask compared to its original pattern 7. Press the Y Mask button from the side menu...
  • Page 249 APPLICATIONS 9. Press the Create Mask button from the side menu. A mask is created (as shown in the below diagram) and can now be used. 10. Press the Auto Mask button from the bottom menu to close auto mask function. 11.
  • Page 250: User Defined Mask / Create Mask

    MDO-2000A series User Manual User Defined Mask / Create Mask A user-defined mask can be created. Up to 8 areas Background of any form, each made of up to 10 points, can be built out and juxtaposed to each other to form the user-defined mask pattern.
  • Page 251 APPLICATIONS 4. Press the Unit button from the side menu and use the Variable knob to either select Divisions (graticule division fractions) or Current (Actual oscilloscope X- and Y-axis scale units) as the points position units. 5. Press the Edit Points button from the side menu to start shaping the pattern of the area you selected.
  • Page 252 MDO-2000A series User Manual 10. Repeat the above steps 6 to 9 to add other Edit the other points to the area and until you finalize the points shape of this first area. Then press the Go Back button to exit the Edit Points menu.
  • Page 253: User-Defined Mask File Format

    APPLICATIONS 15. Use the variable knob and the select key to change the name of the file if needed and press the Save Now button from the side menu to save the user-defined mask. 16. From the User Define menu, you Load a user- can also load an existing mask.
  • Page 254 MDO-2000A series User Manual Format (XX: version number) Format Total Area Number,1, Area Number,1, Points Number,3, 0.00,2.00, 1.00,1.00, -1.00,1.00, Format (XX: version number) Example Total Area Number,2, (with Division units) Area Number,1, Points Number,4, 0.00,2.00, 1.00,1.00, 0.00,0.00, -1.00,1.00, Area Number,2, Points Number,3, 0.00,-2.00,...
  • Page 255: Fra Application

    APPLICATIONS FRA application The Frequency Response Analyzer (FRA) is a Background feature application for digital storage oscilloscope with an integrated arbitrary waveform generator. It can plot gain and phase responses at the output of a device-under-test (DUT) when its input is excited by a frequency-swept sinusoidal signal.
  • Page 256: Display Overview

    MDO-2000A series User Manual Display Overview Input and output channels Time domain scale and horizontal position Ordin. 2 Time scale domain Ordinate 2 Ordinate 1 data data Ordin. 1 Main Bode plot scale display FRA setting mode FRA analysis mode...
  • Page 257: Connections

    APPLICATIONS Connections The FRA application uses two analog channels of Background the DSO as well as the GEN1 output of the Arbitrary Wave Generator (AWG). 1. Connect the AWG output GEN1 to the input of Connection the Device-Under-Test (DUT). 2. Connect one DSO analog channel to the input of the DUT.
  • Page 258: Setting Mode

    MDO-2000A series User Manual 2. Press the APP button from the bottom menu. 3. Scroll through the applications using the Variable knob until the FRA application is highlighted. 4. Launch the FRA application by Select ×2 pressing the Select key twice.
  • Page 259: Source

    APPLICATIONS 1. In Setting mode (FRA Run button Panel operation appeared), press the FRA Run button to start the frequency response analysis. 2. The data acquisition will stop automatically when the stop frequency is reached. The button is then toggled back to STOP and the data is ready for analysis.
  • Page 260: Setup Amplitude Profile And Edit Profile

    MDO-2000A series User Manual 2. Press Input Source from the side menu and select the channel that is connected to the input of the DUT. CH1 ~ CH2 Range 3. Press Output Source from the side menu and select the channel that is connected to the output of the DUT.
  • Page 261: Setup Awg

    APPLICATIONS 4. Press Select from side menu and select the frequency that suits for corresponding amplitude. 5. Press Amplitude to configure the Amplitude amplitude of the frequency-swept signal. Use the arrows to select a base unit and the variable knob to further tune the selected base unit.
  • Page 262 MDO-2000A series User Manual Please make sure that the two analog channels used Note by the FRA application are activated first. Panel operation 1. Toggle the Setup button. 2. Each frequency decade is equally divided in a pre-set number of points.
  • Page 263 APPLICATIONS 4. Press Start button to configure the Start start frequency. Use the arrows to select a base unit and the variable knob to further tune the selected base unit. Alternatively press the Default button to set the Start Frequency to 100.00 Hz (default setting).
  • Page 264: Reference Circuit

    MDO-2000A series User Manual 6. Press Load button to configure the Load load resistance. 7. Press repeatedly the Load button to select the 50Ω or High Z load resistance. 50Ω, High Z Range Press Go Back to return to the Setup Go Back menu.
  • Page 265: Quit

    APPLICATIONS Quit Quit the FRA application. Background Toggle the Quit button to return the Panel operation APP menu. Analysis mode There are three main functions in the Analyze menu. Users can perform the cursor measurement, adjust the scale and the offset of the plot, and save FRA results for future recall as well as post- processing on the computer.
  • Page 266: Scale Bode Plot

    MDO-2000A series User Manual □ □ 3. The cursor 1 and 2 will appear along the active trace whenever the cursor state turns on. Press Select button to change the active cursor highlighted in green color. Move the active cursor along the active trace using the Variable knob.
  • Page 267: Fra Utility

    APPLICATIONS 4. Press the Gain Offset from the side Gain Offset menu and use the Variable knob to adjust the value. (-300+4*Gain Scale)~ Range (300-4*Gain Scale) dB 5. Press the Phase Scale from the side Phase Scale menu and use the Variable knob to adjust the value.
  • Page 268 MDO-2000A series User Manual Browse through the folders and files to locate a FRA file (file.FRD) and press the Select key to recall it. A pop-up window then subsequently confirms the success of the operation. For a successful recall, the display will immediately show the newly recalled data on the current plot.
  • Page 269 APPLICATIONS 4. For more information regarding FRA Info the current plotted data, press this FRA Info button. 5. Press Go Back button to return to Go Back the Setting menu.
  • Page 270: Save/Recall

    MDO-2000A series User Manual AVE/RECALL File Format/Utility ........... 269 Image File Format ................269 Waveform File Format ................ 269 Spreadsheet File Format ..............270 Setup File Format ................. 272 Create/Edit Labels ............ 275 Save ................. 278 File Type/Source/Destination ............278 Save Image .....................
  • Page 271: File Format/Utility

    SAVE/RECALL File Format/Utility Image File Format *.bmp or *.png Format Default Filename DSxxxx.bmp/png The display image is 800 by 480 pixels. The Contents background color can be inverted (Ink saver function). Each image file is saved to the current file path as a bitmap or PNG file. Waveform File Format DSxxxx.lsf, CH1~CH2.lsf Format...
  • Page 272: Spreadsheet File Format

    MDO-2000A series User Manual Reference waveforms stored in the Ref 1~4 internal memory, separate from W1 ~ W20. Reference waveforms (Ref 1 ~ 4) can be displayed directly onto the display with amplitude and frequency information. Ref 1~4 are useful for reference purposes.
  • Page 273 SAVE/RECALL Input channel signal Waveform Type CH1 ~2 Reference waveform Ref1~4 Math operation result (page 62) Math All Displayed All the waveforms on the display. The following information is included in the Fast Contents: CSV waveform files, where applicable: Fast CSV Format Memory length ...
  • Page 274: Setup File Format

    MDO-2000A series User Manual Format (scope type) Memory length   IntpDistance Trigger address   (input trigger distance) Trigger level Source   Vertical units Vertical units div   Vertical units extend Label   Probe type Probe ratio ...
  • Page 275 SAVE/RECALL Backlight Mode Display   intensity Persistence  Graticule  Waveform  intensity Backlight  Graticule Auto-dim   intensity Scale Expand Channel   Channel Position   Coupling Probe   Impedance Probe   attenuation Invert ...
  • Page 276 MDO-2000A series User Manual Type Slope Trigger   Source Level   Coupling Mode   Alternate Trigger When   Rejection Timer   Noise Rejection Holdoff   Language Ink Saver Utility   Hardcopy key Assign Save ...
  • Page 277: Create/Edit Labels

    SAVE/RECALL Create/Edit Labels Reference files, Setup files and the analog and Overview digital input channels can have individual file labels set. For the analog channels and reference waveforms, the file label can be displayed next to the channel/reference indicator. The file labels are also used to easily identify reference files, setup files or channels when saving or recalling waveforms and setups.
  • Page 278 MDO-2000A series User Manual 3. Press Label For and select the item that you want to create the label for. CH1~CH2, Ref1~4, Set1~20, Math Label For 4. To choose a preset label, Press User Preset from the side menu and choose a label.
  • Page 279 SAVE/RECALL VARIABLE Press Enter Character to select a number or letter. Press Back Space to delete a character. Press Save Now to save the label and return to the previous menu. To cancel the editing the label and return to the previous menu, press Cancel.
  • Page 280: Save

    MDO-2000A series User Manual Save File Type/Source/Destination Item Source Destination Front panel Internal memory: Set1 ~ Panel Setup   settings Set20 (DSxxxx.set) File system: Disk, USB  Channel 1 ~2 Internal memory: Waveform Data   Reference waveform (DSxxxx.csv) Math operation ...
  • Page 281: Save Image

    SAVE/RECALL Save Image Images can be saved either using the Save/Recall key or by using the Hardcopy key. To save images using the Hardcopy key, see the hardcopy section on page 299. 1. To save to USB, connect a USB Panel Operation Front Panel drive to the front panel USB...
  • Page 282 MDO-2000A series User Manual 6. Press Save from the side menu to save the display as an image file. 7. You will automatically be taken to a file utility where you will be able to edit the name of the file.
  • Page 283: Save Waveform

    SAVE/RECALL To edit the internal memory or the File Utility USB flash drive contents (create/ delete/rename files and folders) or to edit the default file path, press File Utilities from the side menu. Save Waveform 1. To save to an external USB flash Panel Operation Front Panel drive, connect the drive to the...
  • Page 284 MDO-2000A series User Manual 6. Press Save to save the file. 7. If you are saving to a file, a file utility appears where you will be able to edit the name of the file from the default “DSXXX” filename.
  • Page 285: Save Setup

    SAVE/RECALL To edit the internal memory or the File Utility USB flash drive contents (create/ delete/rename files and folders), press File Utilities. Save Setup 1. To saving to an external USB Panel Operation Front Panel flash drive connect the drive to the front or rear panel USB port.
  • Page 286 MDO-2000A series User Manual 7. To edit the filename, use the Variable knob to highlight a character. VARIABLE Press Enter Character or the Select key to select a number or letter. Press Back Space to delete a character. 8. Press Save Now to save the file. The filename need not have been edited to save the file.
  • Page 287: Recall

    SAVE/RECALL Recall File Type/Source/Destination Item Source Destination Factory installed Current front panel Default Panel   setting Setup Internal memory: Current front panel Reference   Ref1~4 Waveform Internal memory: S1 ~ Current front panel Panel Setup   (DSxxxx.set) File system: Disk, USB ...
  • Page 288 MDO-2000A series User Manual Mode: Sample XY: OFF Acquire Record Length: 10k Expand: By Center Mode: Vector Persistence: 240ms Display Waveform intensity: 50% Graticule intensity: 50% Backlight Intensity: 80% Backlight Auto-dim: On Time: 10min Graticule: full Scale: 100mV/Div CH1: On...
  • Page 289 SAVE/RECALL Unit/div: 500mV App: Go-NoGo, DVM, Datalog, Mount Remote Disk Type: Edge Source: CH1 Trigger Coupling: DC Alternate: Off Noise Rejection: Off Slope: Positive Level: 0.00V Mode: Auto Holdoff: 10.0ns Hardcopy: Save Ink Saver: Off Utility Assign Save To: Image File Format: Bmp Probe Comp.: 1kHz...
  • Page 290: Recall Waveform

    MDO-2000A series User Manual Recall Waveform 1. For recalling from an external Panel Operation Front Panel USB flash drive, connect the drive to the front or rear panel USB port. 2. The waveform must be stored in advance. See page 281 for waveform store details.
  • Page 291: Recall Setup

    SAVE/RECALL Ref1~4 7. Press Recall Now to recall the waveform. The reference waveform will appear on the screen when successful. To edit USB flash drive contents File Utility (create/ delete/ rename files and folders) or to set the file path, press File Utilities.
  • Page 292 MDO-2000A series User Manual 5. Press Recall Now to confirm recalling. When completed, a message appears at the bottom of the display. The file will not be recalled if the Note power is turned off or the USB drive is taken out before the message appears.
  • Page 293: Reference Waveforms

    SAVE/RECALL Reference Waveforms Recall and Display Reference Waveforms A reference waveform must be stored in advance. Panel Operation See page 281 to store waveforms as reference waveforms. 1. Press the REF key on the front panel. 2. Pressing R1~R4 repeatedly will toggle the corresponding reference waveform OFF/ON.
  • Page 294 MDO-2000A series User Manual Press Vertical repeatedly from the side Vertical menu to choose to edit the vertical Navigation position or Unit/Div. Use the Variable knob to edit the values. Press Horizontal repeatedly from the Horizontal side menu to choose to edit the Navigation Time/Div or the horizontal position.
  • Page 295: File Utilities

    FILE UTILITIES ILE UTILITIES The file utilities are used each time files need to be saved to internal or external memory. The file utilities can create, delete and rename directories or files as well as copy files from internal memory to USB.
  • Page 296: File Navigation

    MDO-2000A series User Manual File Navigation The File Utilities menu can be used to choose files or to set the file path for saving/recalling files. File System File path Drive space File cursor File attributes 1. Press the Utility key.
  • Page 297: Create Folder

    FILE UTILITIES 4. Use the Variable knob to move the VARIABLE file cursor up and down. Use the Select key to choose a file or directory or to set the file path. Select When a USB flash drive is used, the file path is remembered each time the USB flash drive is Note used.
  • Page 298: Rename File

    MDO-2000A series User Manual 5. Use the Variable knob to highlight a character. VARIABLE Press Enter Character or the Select key to select a number or letter. Press Back Space to delete a character. 6. Press Save Now to create the folder.
  • Page 299: Delete File Or Folder

    FILE UTILITIES 4. Press Rename when a file is chosen. 5. Use the Variable knob to highlight a character. VARIABLE Press Enter Character or the Select key to select a number or letter. Press Back Space to delete a character. 6.
  • Page 300: Copy File To Usb

    MDO-2000A series User Manual Press Delete to delete the selected file. Press Delete again to confirm the deletion. Copy File to USB Connect a USB drive to the Panel Operation Front Panel front panel USB port. Press the Utility key.
  • Page 301: Hardcopy Key

    HARDCOPY KEY ARDCOPY KEY The Hardcopy key is used as quick-save or quick-print key. The Hardcopy key can be assigned either to printout screenshots or to save files. When assigned to “Print” the screen image can be printed to a PictBridge compatible printer using the USB device port.
  • Page 302 MDO-2000A series User Manual Print Output Ensure the USB port has been configured for the printer and the printer is connected to the scope before trying to print, see page 299. 1. Press the Utility key. Panel Operation Utility 2. Press Hardcopy from the bottom menu.
  • Page 303 HARDCOPY KEY 1. If you wish to save to USB, Panel Operation Front connect a USB drive to the front panel USB port, otherwise the file will save to internal memory. 2. Press the Utility key. Utility 3. Press Hardcopy from the bottom menu.
  • Page 304 MDO-2000A series User Manual 8. To have a white background for Ink Saver image files, set Ink Saver to On. Ink Saver On Ink Saver Off *Each time the Hardcopy key is used to save Note waveforms or setup files, the files are saved into a new directory.
  • Page 305: Remote Control Config

    CONFIG This chapter describes basic configuration for remote control. For a complete command list, refer to the programming manual downloadable from GW Instek website, www.gwinstek.com. Interface Configuration ..........304 Configure USB Interface ..............304 USB Functionality Check ..............305 Configure the Ethernet Interface ............305 Configure Socket Server ..............
  • Page 306: Interface Configuration

    5. When the PC asks for the USB driver, select the USB driver included on the accompanying User Manual CD or download the driver from the GW Instek website, www.gwinstek.com, in the MDO-2000A Download section. The driver automatically sets the MDO-2000A as a serial...
  • Page 307: Usb Functionality Check

    Serial number, and Firmware version in the following format. GW,MDO-2000A,PXXXXXX,V1.00 For further details about remote control and remote Note commands, please see the programming manual, available on the GW Instek website. Configure the Ethernet Interface Ethernet MAC Address Domain Name Configuration...
  • Page 308 MDO-2000A series User Manual Instrument IP Subnet Mask Address The Ethernet interface is used for remote control Background using a socket server connection. For details, please see the Socket Server section on page 307. 1. Connect the Ethernet cable to the Panel Operation LAN port on the rear panel.
  • Page 309: Configure Socket Server

    REMOTE CONTROL CONFIG 6. Use the Up and Down arrows on the side menu to navigate to each Ethernet configuration item. MAC Address, Instrument Name, Items User Password, Instrument IP Address, Domain Name, DNS IP Address, Gateway IP Address, Subnet Mask 7.
  • Page 310: Socket Server Functionality Check

    MDO-2000A series User Manual 2. Press the Utility key. Utility 3. Press I/O from the bottom menu. 4. Press Socket Server from the side menu. 5. Press Select Port and choose the port number with the Variable knob. 1024~65535 Range 6.
  • Page 311 REMOTE CONTROL CONFIG 3. Start the NI Measurement and Automation Explorer (MAX) program. Using Windows, press: Start>All Programs>National Instruments>Measurement & Automation 4. From the Configuration panel access; My System>Devices and Interfaces>Network Devices 5. Right click Network Devices and select Create New Visa TCP/IP Resource…...
  • Page 312 MDO-2000A series User Manual 6. Select Manual Entry of Raw Socket from the popup window. 7. Click Next. 8. Enter the MDO-2000A’s IP address and socket port number. 9. Click Validate. 10. A popup will appear to tell you if a VISA socket session was successfully created.
  • Page 313 REMOTE CONTROL CONFIG 12. Choose an alias for the socket connection if you like. 13. Click Finish to finish the configuration. MDO-2000A 14. The MDO-2000A will now appear under Network Devices in the Configuration Panel. 15. Click the Open Visa Test Panel to send a remote Functionality command to the MDO-2000A.
  • Page 314 MDO-2000A series User Manual 16. Click on the Configuration icon. 17. Select the I/O Settings tab. 18. Mark the Enable Termination Character checkbox. Make sure the termination character is a line feed (/n, value: xA). 19. Click Apply Changes.
  • Page 315 REMOTE CONTROL CONFIG 20. Click the Input/Output icon. 21. Make sure the *IDN? query is selected in the Select or Enter Command drop box. 22. Click on Query. 23. The manufacturer, model number, serial number and firmware version will be displayed in the buffer.
  • Page 316 MDO-2000A series User Manual AINTENANCE Three types of maintenance operations are available: Signal Path Compensation, Vertical Accuracy Calibration and Probe Compensation. Run these operations when using the MDO- 2000A in a new environment. How to use the SPC function............. 315 Vertical Accuracy Calibration .............
  • Page 317: Maintenance

    MAINTENANCE How to use the SPC function Signal Path Compensation (SPC) is used to Background compensate the internal signal path due to ambient temperature. SPC is able to optimize the accuracy of the oscilloscope with respect to the ambient temperature. 1.
  • Page 318 MDO-2000A series User Manual 2. Press System from the bottom menu. 3. Press more 1 of 3 from the side menu. 4. Press Self Cal on the side menu. 5. Press Vertical on the side menu. 6. A message appears to “Now performing vertical calibration…...
  • Page 319: Probe Compensation

    MAINTENANCE 8. Press Vertical again after connecting CAL to the channel 1 input. The calibration for Channel 1 starts and ends automatically, in less than 5 minutes. A message is displayed when the calibration procedure has ended. 9. Repeat the above step for Channel 2 when prompted.
  • Page 320 MDO-2000A series User Manual EXT TRIG 3. Press the CH1 key to activate CH1. 4. Set the Coupling to DC from the bottom menu. 5. Set the Probe attenuation to Page 111 Voltage, 10X. 6. Press the Autoset key. The...
  • Page 321 MAINTENANCE 8. Turn the adjustment point on the probe to make the waveform as square as possible. Under Over Normal Compensation Compensation...
  • Page 322: Faq

    MDO-2000A series User Manual • I connected the signal but it does not appear on the display. • I want to remove the (Measurement result / FFT result / Help contents) from the display. • The waveform does not update (frozen).
  • Page 323 The accuracy does not match the specification. Make sure the device is powered On for at least 30 minutes, within +20°C~+30°C. This is necessary to stabilize the unit to match the specification. For more information, contact your local dealer or GW Instek at www.gwinstek.com / marketing@goodwill.com.tw.
  • Page 324 MDO-2000A series User Manual PPENDIX Updating the Firmware ..........323 MDO-2000A Series Specifications ......325 Model-specific ..................325 Common ....................325 Probe Specifications ..........330 GTP-100B-4 ..................... 330 GTP-200B-4 ..................... 330 GTP-300B-4 ..................... 331 Dimensions ............. 332 Declaration of Conformity ........333...
  • Page 325: Appendix

    APPENDIX Updating the Firmware New firmware can be downloaded from the our Background website in the MDO products section. Place a copy of the firmware file (xxx.upg) onto the root directory of a USB flash disk. 1. Put the USB drive that contains Panel Operation Front panel the firmware into the front...
  • Page 326 MDO-2000A series User Manual 4. Press the “Start Now” (F1) key. The oscilloscope will automatically start upgrading the firmware. Or press the “Cancel” (F3) key to quit the firmware upgrading procedure. 5. When the status indicator shows the complete status (status indicator in yellow completely) and a message of “Update NAND flash...
  • Page 327: Mdo-2000A Series Specifications

    APPENDIX MDO-2000A Series Specifications The specifications apply when the MDO-2000A series is powered on for at least 30 minutes under +20°C~+30°C. Model-specific MDO-2102A/AG Channels 2 + Ext Bandwidth DC ~ 100MHz (–3dB) Rise Time 3.5ns Bandwidth Limit 20MHz MDO-2202A/AG Channels...
  • Page 328 MDO-2000A series User Manual Trigger Source CH1, CH2, Line, EXT Trigger Mode Auto (supports Roll Mode for 100 ms/div and slower), Normal, Single Sequence Trigger Type Edge, Pulse Width(Glitch), Video, Pulse Runt, Rise & Fall(Slope), Timeout, Alternate, Event-Delay(1~65535 events), Time-Delay(Duration, 4nS~10S), Bus...
  • Page 329 APPENDIX Auto counter 6 digits, range from 2Hz minimum to the rated bandwidth Control Panel Autoset Single-button, automatic setup of all Function channels for vertical, horizontal and trigger systems, with undo Autoset Save Setup 20set Save Waveform 24set General Channels Sample Rate 200MSa/s Vertical Resolution 14 bits...
  • Page 330 MDO-2000A series User Manual Symmetry 0 to 100% Spectrum Frequency Range DC~1GHz Max (Frequency which Analyzer exceeds analog front end bandwidth is uncalibrated Span 1kHz~1GHz (Max.) Resolution Bandwidth 1Hz~1MHz (Max.) Reference Level -50dBm to +40dBm in steps of 5dBm Vertical Units dBV RMS;...
  • Page 331 APPENDIX Display Mode YT, XY Interface USB Port USB 2.0 High-speed host port X1, USB High-speed 2.0 device port X1 Ethernet Port (LAN) RJ-45 connector, 10/100Mbps with HP Auto-MDIX Go-NoGo BNC 5V Max/10mA TTL open collector output Kensington Style Lock Rear-panel security slot connects to standard Kensington-style lock.
  • Page 332: Probe Specifications

    MDO-2000A series User Manual Probe Specifications GTP-100B-4 Applicable to: MDO-2102A/AG Position X10 Attenuation Ratio 10:1 Bandwidth DC to 100MHz Input Resistance 10MΩ when used with oscilloscopes with 1MΩ input. Input Capacitance 14.5pF to 17.5pF Compensation Range 5pF to 30pF ≤600V DC + ACpk Max.
  • Page 333: Gtp-300B-4

    APPENDIX GTP-300B-4 Applicable to: MDO-2302A/AG Position X10 Attenuation Ratio 10:1 Bandwidth DC ~ 300MHz Input Resistance 10MΩ when used with oscilloscopes with 1MΩ input. Input Capacitance 10.5pF ~ 17.5pF Compensation Range 5pF ~ 30pF ≤600V DC+ACpk Max. Input Voltage Position X1 Attenuation Ratio Bandwidth DC ~ 10MHz...
  • Page 334: Dimensions

    MDO-2000A series User Manual Dimensions EXT TRIG 384.0 111.0 127.3...
  • Page 335: Declaration Of Conformity

    APPENDIX Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. declare that the below mentioned product Type of Product: Mixed-Domain oscilloscope Model Number: MDO-2102A, MDO-2102AG, MDO-2202A, MDO-2202AG, MDO-2302A, MDO-2302AG are herewith confirmed to comply with the requirements set out in the Council Directive on the Approximation of the Law of Member States relating to EMC: 2014/30/EU, LVD: 2014/35/EU, WEEE: 2012/19/EU and RoHS: 2011/65/EU.
  • Page 336 MDO-2000A series User Manual NDEX AC coupling ......106 AM ..........185 AC Priority mode ...... 36 channel activation ...... 179 Acquisition ......... 75 connection ........178 average .......... 75 Coupling and tracking ....206 indicator ........22 Create new ARB waveform ..193 peak detect ........
  • Page 337: Index

    INDEX status indicator ......22 horizontal cursor ......57 Connection ........ 255 vertical cursor ....... 60 File Control panel function create folder ........ 295 specification......... 327 delete ........... 297 Conventions ....... 26 rename ......... 296 Coupling mode ......106 File navigation ......294 Cursor File path ........
  • Page 338 MDO-2000A series User Manual basic ..........62 Rise and fall trigger ....148 FFT operation........ 65 RMS measurements ....42 FFT overview ........ 64 Roll mode ........99 Mean measurements ....42 RS-232C Memory bar function check ......305 indicator ........21 Run/Stop ......
  • Page 339 INDEX Single trigger mode ....135 mode ..........141 parameters ........133 Run/Stop ........37 pulse runt ........147 Socket server pulse width ......... 144 function check ......308 Rise and fall ........ 148 Socket server Single ..........37 interface ........308 specification ........

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