SIGLENT SDS2000X Series User Manual
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SIGLENT SDS2000X Series User Manual

Digital oscilloscope
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User Manual
SDS2000X Series Digital Oscilloscope
UM0102X-E02A
2017 SIGLENT TECHNOLOGIES CO., LTD.

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  • Page 1 User Manual SDS2000X Series Digital Oscilloscope UM0102X-E02A 2017 SIGLENT TECHNOLOGIES CO., LTD.
  • Page 3 Declaration SIGLENT products are protected by patent law in and outside of P.R.C. SIGLENT reserves the right to modify or change parts of or all the specifications or pricing policies at company‘s sole decision. Information in this publication replaces all previously corresponding material.

  • Page 4: Safety Information

    SIGLENT Safety Information General Safety Summary Carefully read the following safety precautions to avoid any personal injury or damage to the instrument and any products connected to it. To avoid potential hazards, please use the instrument as specified. Use Proper Power Cord Only the power cord designed for the instrument and authorized by local country should be used.
  • Page 5 If you suspect damage has occurred to the instrument, have it inspected by qualified service personnel before further operation. Any maintenance, adjustment or replacement especially to circuits or accessories must be performed by SIGLENT authorized personnel. Do Not Operate in Wet Conditions.

  • Page 6: Safety Terms And Symbols

    SIGLENT Safety Terms and Symbols Terms in this Manual. These terms may appear in this manual: WARNING Warning statements indicate the conditions or practices that could result in injury or loss of life. CAUTION Caution statements indicate the conditions or practices that could result in damage to this product or other property.

  • Page 7: Measurement Category

    SIGLENT Measurement Category Measurement Categories SDS2000X series digital oscilloscopes are rated for Category I measurements only. WARNING This oscilloscope can only be used for measurements within its specified measurement categories. Measurement Category Definitions Measurement category I is for measurements performed on circuits that are not directly connected to MAINS.

  • Page 8: Working Environment

    SIGLENT Working Environment Temperature Operating: 10℃ to +40℃ Non-operation:-20℃ to +60℃ Humidity Operating: 85%RH, 40℃, 24 hours Non-operating: 85%RH, 65℃, 24 hours WARNING To avoid short circuit inside the instrument or electric shock, please do not operate in humid environment.

  • Page 9: Ventilation Requirement

    SIGLENT Ventilation Requirement This oscilloscope uses fan-forced air cooling. Please make sure that the air intake and exhaust areas are free from obstructions and have adequate ventilation. When using the oscilloscope in a bench-top or rack setting, provide at least 10 cm clearance beside, above and behind the instrument for adequate ventilation.

  • Page 10: General Care And Cleaning

    SIGLENT General Care and Cleaning Care Do not store or leave the instrument in direct sunshine for long periods of time. WARNING To avoid damage to the instrument or probes, please do not leave them in fog, liquid, or solvents.

  • Page 11: Document Overview

    SIGLENT Document Overview This manual introduces how to use the SDS2000X series digital oscilloscope in detail. Quick Start Provides information about preparations before using the instrument and a brief introduction of the key instrument features To Set the Vertical System...
  • Page 12 SIGLENT This manual uses the SDS2304X in examples and the descriptions shown list all the functions and performances of other models. SDS2000X series includes the following models: Model Analogy Bandwidth channels SDS2304X 300 MHz SDS2204X 200 MHz SDS2104X 100 MHz...

  • Page 13: Table Of Contents

    SIGLENT Table of Contents Copyright and Declaration ......................I Safety Information .......................... II General Safety Summary ......................II Safety Terms and Symbols ...................... IV Measurement Category ......................V Working Environment ......................VI Ventilation Requirement ......................VII General Care and Cleaning ....................VIII Document Overview ........................
  • Page 14 SIGLENT Set the Horizontal System ......................29 Adjust the Horizontal Scale ..................... 30 Adjust Trigger Delay ........................ 31 Set the Roll mode ........................32 Use the Zoom Function ......................33 To Set the Sample System ......................34 Run Control ..........................35 Overview of Sampling ......................
  • Page 15 SIGLENT Setup for SPI Signals ......................87 SPI Triggering ........................90 SPI Serial Decode ......................92 UART/RS232 Trigger and Serial Decode .................. 94 Setup for UART/RS232 Signals ..................94 UART/RS232 Triggering....................96 UART/RS232 Serial Decode ..................... 98 CAN Trigger and Serial Decode....................100 Setup for CAN Signals ....................
  • Page 16 SIGLENT To Make Cursor Measurements .................... 134 To Make Measurements ........................ 135 Type of Measurement ......................136 Voltage Measurements ....................136 Time Measurements ..................... 138 Delay Measurements ....................139 To Make Automatic Measurements ..................140 To Clear Measurement Parameters ..................142 To Make All Measurement ....................
  • Page 17 SIGLENT Screen Test ........................199 Keyboard Test ....................... 200 LED Test ......................... 201 To Specify the Screen Saver Time ..................202 Option Management ......................203 To Use the History Function ......................205 Arbitrary Waveform Generator ....................207 To Set Wave Type and Parameters ..................208 To Output Arbitrary Waveform .....................
  • Page 18 SIGLENT Content of Figure Figure 1: Front View ........................3 Figure 2: Top View ........................3 Figure 3: Adjust the Supporting Legs ..................4 Figure 4: To Connect to Power Supply ..................5 Figure 5: Function Inspection ....................8 Figure 6: Front Panel Overview ....................10 Figure 7: Rear panel Overview ....................
  • Page 19 SIGLENT Figure 43: MOSI Menu ......................88 Figure 44: SPI TRIG SET Menu ....................90 Figure 45: SPI Trigger ....................... 91 Figure 46: SPI Decode......................92 Figure 47: UART SIGNAL Menu ....................94 Figure 48: BUS CONFIG Menu ....................95 Figure 49: UART TRIG SET Menu .....................
  • Page 20 SIGLENT Figure 87: SAVE/RECALL File System ..................153 Figure 88: Select Save Location ..................... 154 Figure 89: File Name Dialogue ....................154 Figure 90: Input Keyboard ..................... 157 Figure 91: System Status ....................... 160 Figure 92: Do Self Cal ......................161 Figure 93: Pass/Fail Test ......................
  • Page 21 SIGLENT Figure 131: Transient Analysis ....................194 Figure 132: Efficiency ANALYSIS Function Menu ..............195 Figure 133: Efficiency SIGNAL Menu ..................195 Figure 134: Perform Efficiency Analysis ................196 Figure 135: Screen Test ......................199 Figure 136: Keyboard Test ..................... 200 Figure 137: LED Test ......................

  • Page 23: Quick Start

    SIGLENT Quick Start This chapter introduces the preparations when using the oscilloscope for the first time, the front panel, rear panel and user interface of the oscilloscope, The contents of this chapter:  General Inspection  Appearance and Dimensions ...

  • Page 24: General Inspection

    The consigner or carrier will be responsible for damages to the instrument resulting from shipment. SIGLENT does not provide free maintenance or replacement if the instrument has been damaged in shipment. 2. Inspect the instrument.

  • Page 25: Appearance And Dimensions

    SIGLENT Appearance and Dimensions 352mm Figure 1: Front View Figure 2: Top View SDS2000X User Manual...

  • Page 26: To Prepare The Oscilloscope For Use

    SIGLENT To Prepare the Oscilloscope for Use To Adjust the Supporting Legs Adjust the supporting legs properly to use them as stands to tilt the oscilloscope upwards for stable placement of the oscilloscope as well as better operation and observation.

  • Page 27: To Connect To Power Supply

    SIGLENT To Connect to Power Supply The oscilloscope will accept a 100~240V, 50/60Hz or 100~120V, 400Hz power supply. Please use the power cord provided with the accessories to connect the instrument to the power source as shown in the figure below.

  • Page 28: Power-On Inspection

    SIGLENT Power-on Inspection When the oscilloscope is energized, press the power key at the lower-left corner of the front panel to start the oscilloscope. During the start-up process, the oscilloscope performs a series of self-tests and you can hear the sounds of relays switching. After the self-test is finished, the welcome screen is displayed.

  • Page 29: To Connect The Probe

    SIGLENT To Connect the Probe SIGLENT provides passive probes for the SDS2000X series oscilloscopes. For detailed technical information of the probes, please refer to the corresponding Probe User‘s Guide. Connect the Probe: 1. Connect the BNC terminal of the probe to one of the channel BNC connectors on the front panel.

  • Page 30: Functional Inspection

    SIGLENT Functional Inspection 1. Press the Default button on the front panel to restore the instrument to its factory default configuration. 2. Connect the ground alligator clip of the probe to the ―Ground Terminal‖ under the probe compensation signal output terminal.

  • Page 31: Probe Compensation

    SIGLENT Probe Compensation All oscilloscope probes should be properly compensated before their first use with the oscilloscope. Non-compensated or inadequate compensated probe may cause measurement inaccuracy or error. The probe compensation procedures are as follows. 1. Set the switch to 10X on the probe.

  • Page 32: The Front Panel

    SIGLENT The Front Panel Figure 6: Front Panel Overview NO. Description NO. Description Horizontal Control Function Menus Auto Setup WaveGen Control Run/Stop Vertical Control for Analog Channels Default Setup WaveGen Output Probe Compensation/ Ground Clear Sweeps Terminal Universal Knob USB Host...

  • Page 33: The Rear Panel

    SIGLENT The Rear Panel Figure 7: Rear panel Overview 1. Handle Pull up the handle vertically for easy carrying of the instrument. When you do not need the handle, press it down. 2. LAN The instrument can be connected to a user-network via this interface to perform remote control.

  • Page 34: Front Panel Function Overview

    SIGLENT Front Panel Function Overview Horizontal Quickly enter the roll mode. The timebase range is from 50ms/div to 50s/div. Press the button to open the Zoom function and press again to close the function. Horizontal Position Knob: Sets the horizontal location of the trigger event on the display.

  • Page 35: Vertical

    SIGLENT Vertical Analog input channels. The four channels are marked by different colors which are also used to mark both the waveforms on the screen and the channel input connectors. Press channel button to open the corresponding channel and press again to turn it off.
  • Page 36 SIGLENT Press this button to open decode menu. Decode is an optional function. SDS2000X supports two serial buses including 1 and 2 for analog signal decoding. The protocols include I2C, SPI, UART/RS232, CAN and LIN. Press the button to open the digital channel function menu (Optional function).

  • Page 37: Trigger

    SIGLENT Trigger Press the button to open trigger menu. This oscilloscope provides various trigger types: Edge, Slope, Pulse, Video, Window, Interval, Dropout, Runt, Pattern and Serial Bus (I2C/SPI/UART/RS232/CAN/LIN). Press the button to set to Auto trigger mode. Press the button to set to Normal trigger mode.

  • Page 38: Run Control

    SIGLENT Run Control Press the button to enable the waveform auto setup function. The oscilloscope will automatically adjust the horizontal time base, vertical scale and trigger mode according to the input signal to provide a triggered stable display. Press the button to set the state of the instrument to ―RUN‖ or ―STOP‖. In the ―RUN‖...

  • Page 39: Universal Knob

    SIGLENT Universal Knob 1. Adjust the waveform intensity When the menus are hidden, you can use the waveform intensity knob to adjust waveform intensity (0% ~ 100%). Turn clockwise to increase the brightness and counterclockwise to reduce. You can also press Display/Persist→Intensity and use the knob to adjust the intensity.

  • Page 40: Menu

    SIGLENT Menu Press the button to open the cursor function. It provides manual and tracking cursor modes. Press the button to enter the sampling menu. From here the acquisition mode can be set (Normal/Peak-Detect/Average/Eres), interpolation mode (Sinx/x or linear) and memory depth. The XY mode can be selected here as well as the Sequence function.

  • Page 41: Help

    SIGLENT Help The SDS2000X has an on line help function that supplies multi-language help information, and you can recall then to help you operate the oscilloscope when you need. Press any button for 2 seconds to enter the online help. All submenus of every main menu have their help information.

  • Page 42: User Interface

    User Interface Figure 9: User Interface 1. Product Logo SIGLENT is the registered trademark of SIGLENT TECHNOLOGIES CO., LTD. 2. Channel Label/Waveform Different channels are marked by different colors and the color of the waveform matches with the color of the channel.
  • Page 43 SIGLENT 6. Trigger Position Label Display the trigger position of the waveform on the screen. 7. Frequency Counter Display the frequency of current waveform as trigger source. 8. Sampling Rate/ Memory Depth Display the current sample rate and memory depth of the oscilloscope. Use the Horizontal scale knob to modify the parameters.

  • Page 44: To Use The Security Lock

    SIGLENT To Use the Security Lock Provisions for a Kensington-style lock are provided on the rear panel of the SDS2000X (Lock is not included). To use, align the lock with the lock hole and insert, turn the key clockwise to lock the instrument and then remove the key from the lock.

  • Page 45: To Set The Vertical System

    SIGLENT To Set the Vertical System This chapter introduces how to set the vertical system of the oscilloscope. The contents of this chapter:  To Enable the Channel  To Adjust the Vertical Scale  To Adjust the Vertical Position ...

  • Page 46: To Enable The Channel

    SIGLENT To Enable the Channel SDS2000X provides 2/4 analog input channels (CH1, CH2, CH3, CH4) and provides independent vertical control system for each channel. As the vertical system setting methods of both channels are the same, this chapter takes CH1 as an example to introduce the configuration method of the vertical system.

  • Page 47: To Adjust The Vertical Scale

    SIGLENT To Adjust the Vertical Scale The vertical scale can be adjusted in Coarse or Fine mode.  Coarse adjustment (turning counterclockwise as an example): Set the vertical scale in 1-2-5 step namely 1mv/div, 2 mV/div, 5 mV/div, 10 mV/div …10 V/div.

  • Page 48: To Specify Channel Coupling

    SIGLENT To Specify Channel Coupling Set the coupling mode to filter out undesired signals. For this example, we will assume the signal-under-test is a square waveform with DC offset.  When the coupling mode set to DC: The DC and AC components of the signal-under-test can both pass the channel.

  • Page 49: To Specify Probe Attenuation Factor

    SIGLENT To Specify Probe Attenuation Factor Set the probe attenuation factor to match the type of the probe that you are using to ensure correct vertical readouts. Press the CH1 button on the front panel; then press the Probe softkey and turn the Universal Knob to select the desired value and push the knob to confirm.

  • Page 50: To Specify Amplitude Unit

    SIGLENT To Specify Amplitude Unit Select the amplitude display unit for the current channel. The available units are V and A. When the unit is changed, the unit displayed in the channel label will change accordingly. 1. Press CH1 button on the front panel to enter the CH1 function menu.

  • Page 51: Set The Horizontal System

    SIGLENT Set the Horizontal System This chapter introduces how to set the horizontal system of the oscilloscope. The contents of this chapter:  Adjust the Horizontal Scale  Adjust the Trigger Delay  Set Roll Mode  Use the Zoom Function...

  • Page 52: Adjust The Horizontal Scale

    SIGLENT Adjust the Horizontal Scale Turn the HORIZONTAL Scale Knob on the front panel to adjust the horizontal time base. Turn clockwise to reduce the horizontal time base and turn counterclockwise to increase. The time base information at the upper left corner of the screen will change accordingly during the adjustment.

  • Page 53: Adjust Trigger Delay

    SIGLENT Adjust Trigger Delay Turn the Position Knob on the front panel to adjust the trigger delay of the waveform. During the modification, waveforms of all the channels will move left or right and the trigger delay message at the upper-right corner of the screen changes accordingly. Press down this knob to quickly reset the trigger delay.

  • Page 54: Set The Roll Mode

    SIGLENT Set the Roll mode Press the Roll button to enter the roll mode. In Roll mode the waveform moves slowly across the screen from right to left. It operates only on time base settings of 50 ms/div and slower. If the current time base setting is faster than the 50 ms/div limit, it will be set to 50 ms/div when Roll mode is entered.

  • Page 55: Use The Zoom Function

    SIGLENT Use the Zoom Function Zoom is a horizontally expanded version of the normal display. You can use Zoom to locate and horizontally expand part of the normal window for a more detailed (higher-resolution) analysis of signals. Press the HORIZONTAL Scale Knob on the front panel to turn on the zoom function, and press the button again to turn off the function.

  • Page 56: To Set The Sample System

    SIGLENT To Set the Sample System This chapter introduces how to use the run control and set the sampling system of the oscilloscope. The contents of this chapter:  Run Control  Overview of Sampling  To Specify Memory Depth ...

  • Page 57: Run Control

    SIGLENT Run Control Press the Run/Stop or Single button on the front panel to run or stop the sampling system of the scope.  When the Run/Stop is green, the oscilloscope is running, that is, acquiring data when trigger conditions are met. To stop acquiring data, press the Run/Stop button.

  • Page 58: Overview Of Sampling

    SIGLENT Overview of Sampling To understand the oscilloscope's sampling and acquisition modes, it is helpful to understand sampling theory, sample rate and oscilloscope bandwidth. Sampling Theory The Nyquist sampling theorem states that for a limited bandwidth (band-limited) signal with maximum frequency f...

  • Page 59: Sample Rate

    SIGLENT Sample Rate The maximum sample rate of SDS2000X is 2GSa/s. The actual sample rate of the oscilloscope is determined by the horizontal scale and acquisition depth. Turn the Horizontal Scale Knob to adjust the sample rate. The current sample rate is displayed in the information area at the upper-right corner of the screen.

  • Page 60: Oscilloscope Bandwidth And Sample Rate

    SIGLENT Oscilloscope Bandwidth and Sample Rate An oscilloscope‘s bandwidth is typically described as the lowest frequency at which input signal sine waves are attenuated by 3 dB (-30% amplitude error). At the oscilloscope bandwidth, sampling theory says the required sample rate is f...

  • Page 61: To Specify Memory Depth

    SIGLENT To Specify Memory Depth Memory depth refers to the number of waveform points that the oscilloscope can store in a single trigger sample and it reflects the storage ability of the sample memory. The SDS2000X provides up to 140 Mpts memory depth.

  • Page 62: To Select Waveform Interpolation Method

    SIGLENT To Select Waveform Interpolation Method Under real-time sampling, the oscilloscope acquires the discrete sample values of the waveform being displayed. In general, a waveform comprised of a singular dot per sample point is very difficult to observe. In order to increase the visibility of the signal, the digital oscilloscope usually uses the interpolation method to display a waveform.

  • Page 63: Figure 12: X Interpolation

    SIGLENT Figure 12: x Interpolation Interpolation Figure Sinx/x SDS2000X User Manual...

  • Page 64: To Select Acquisition Mode

    SIGLENT To Select Acquisition Mode The acquisition mode is used to control how to generate waveform points from sampled points.SDS2000X provides the following acquisition mode: Normal, Peak Detect, Average and Eres. 1. Press the Acquire button on the front panel to enter the ACQUIRE function menu;...

  • Page 65: Peak Detect

    SIGLENT Peak Detect In this mode, the oscilloscope acquires the maximum and minimum values of the signal within the sample interval to get the envelope of the signal or the narrow pulse of the signal that might be lost. In this mode, signal aliasing can be prevented but the noise displayed would be larger.

  • Page 66: Average

    SIGLENT Average In this mode, the oscilloscope averages the waveforms from multiple frames to reduce the random noise of the input signal and improve the vertical resolution. The greater the number of averages is, the lower the noise will be and the higher the vertical resolution will be but the slower the response of the displayed waveform to the waveform changes will The available range of averages is from 4 to 1024 with a default value of 16.

  • Page 67: Eres (Enhanced Resolution)

    SIGLENT Figure 18: With Random Noise, Average Mode Eres (Enhanced Resolution) This mode uses a digital filter to reduce the random noise on the input signal and generate much smoother waveforms on the screen. Eres can be used on both single-shot and repetitive signals and it does not slow down waveform update.

  • Page 68: To Change The Horizontal Format

    SIGLENT To Change the Horizontal Format Press the Acquire button on the front panel; then press the XY softkey to set the XY (On) or YT (Off) mode. The default setup is YT. It is the normal viewing mode for the oscilloscope. In the Normal time mode, signal events occurring before the trigger are plotted to the left of the trigger point and signal events after the trigger plotted to the right of the trigger point.

  • Page 69: Use Sequence Mode

    SIGLENT Use Sequence Mode The Sequence Mode does not display the waveform during the sampling process. This improves the waveform capture rate by focusing the instrument resources on sampling. This increases the waveform capture rate to about 500,000 wfm/s. The Sequence Mode increases the ability to capture events with small probability effectively.
  • Page 70 SIGLENT display. 4. Press the softkey to replay the waveform from the current frame to 1. 5. Press the softkey to pause the replay. 6. Press the softkey to replay the waveform from the current frame to the last frame.

  • Page 71: To Trigger The Oscilloscope

    SIGLENT To Trigger the Oscilloscope To observe and measure elements of an input waveform, it is most useful to have a stable and reproducible image of that waveform. To accomplish this, many oscilloscopes feature a trigger model that enables you to specify certain conditions for the input signal (only trigger on the rising edge, for example).
  • Page 72 SIGLENT The contents of this chapter:  Trigger Source  Trigger Mode  Trigger Level  Trigger Coupling  Trigger Holdoff  Noise Rejection  Trigger Type  Edge Trigger  Slope Trigger  Pulse Trigger  Video Trigger ...

  • Page 73: Trigger Source

    SIGLENT Trigger Source SDS2000X trigger sources include analog channels (CH1, CH2, CH3, CH4), as well as external trigger inputs EXT, EXT/5 and AC Line. Press the Setup button on the front panel to enter the TRIGGER function menu; press the Source softkey and then turn the Universal Knob to select the desired trigger source.

  • Page 74: Trigger Mode

    SIGLENT Trigger Mode SDS2000X trigger modes include Auto, Normal and Single. The trigger mode affects the way in which the oscilloscope searches for the trigger After the oscilloscope begins to capture data, the oscilloscope operates by first filling the pre-trigger buffer. It starts searching for a trigger after the pre-trigger buffer is filled and continues to flow data through this buffer while it searches for the trigger.

  • Page 75: Trigger Level

    SIGLENT Trigger Level Trigger level and slope define the trigger point, Positive Slope Negative Slope Trigger Level Trigger Point Trigger Point Input Signal The trigger level can be adjusted for a selected analog channel by turning the Trigger Level Knob.

  • Page 76: Trigger Coupling

    SIGLENT Trigger Coupling Press the Setup button on the front panel to enter the TRIGGER function menu, and then press the Coupling softkey and turn the Universal Knob or press the Coupling softkey continually to select the desired coupling mode.

  • Page 77: Trigger Holdoff

    SIGLENT Trigger Holdoff Trigger holdoff can be used to stabilize the triggering of complex waveforms (such as a pulse series). Holdoff time is the amount of time that the oscilloscope waits before re-arming the trigger circuitry. The oscilloscope will not trigger until the holdoff time expires.

  • Page 78: Noise Rejection

    SIGLENT Noise Rejection Noise Reject adds additional hysteresis to the trigger circuitry. By increasing the trigger hysteresis band, you reduce the possibility of triggering on noise. However, this also decreases the trigger sensitivity so that a slightly larger signal is required to trigger the oscilloscope.
  • Page 79 SIGLENT If the signal you are probing is noisy, you can setup the oscilloscope to reduce the noise in the trigger path and on the displayed waveform. First, stabilize the displayed waveform by removing the noise from the trigger path. Second, reduce the noise on the displayed waveform.

  • Page 80: Trigger Type

    SIGLENT Trigger Type SDS2000X provides multiple advanced trigger functions, including various serial bus triggers.  Edge trigger  Slope trigger  Pulse trigger  Video trigger  Window trigger  Interval trigger  DropOut trigger  Runt trigger  Pattern trigger...

  • Page 81: Edge Trigger

    SIGLENT Edge Trigger Edge trigger distinguishes the trigger points by seeking the specified edge (rising, falling, rising & falling) and trigger level. Rising Edge Falling Edge Trigger Level Trigger Point Trigger Point 1. Press the Setup button on the front panel to enter the Trigger system function menu.

  • Page 82: Slope Trigger

    SIGLENT Slope Trigger The slope trigger looks for a rising or falling transition from one level to another level in the specified time range. In SDS2000X, positive slope time is defined as the time difference between the two crossing points of trigger level line A and B with the positive edge as shown in the figure below.
  • Page 83 SIGLENT 5. Press the Limit Range softkey; then turn the Universal Knob to select the desired slope condition, and push down the knob to confirm.  < (less than a time value): Trigger when the positive or negative slope time of the input signal is lower than the specified time value.

  • Page 84: Pulse Trigger

    SIGLENT Pulse Trigger Trigger on the positive or negative pulse with a specified width. Positive Pulse Width Trigger Level Negative Pulse Width 1. Press the Setup button on the front panel to enter the TRIGGER function menu. 2. Press the Type softkey; turn the Universal Knob to select Pulse and then push the knob to confirm.

  • Page 85: Figure 26: Pulse Trigger

    SIGLENT  [--,--](within a range of time value): Trigger when the positive or negative pulse time of the input signal is greater than the specified lower limit of time and lower than the specified upper limit of time value. For example, for a positive pulse, if you set t (pulse real width) >100ns and t<300ns, the waveform will trigger.

  • Page 86: Video Trigger

    SIGLENT Video Trigger Video triggering can be used to capture the complicated waveforms of most standard analog video signals. The trigger circuitry detects the vertical and horizontal interval of the waveform and produces triggers based on the video trigger settings you have selected.
  • Page 87 SIGLENT The table below takes Of Lines as 800 as an example to explain the relation between Of Lines, Of Fields, Interlace, Trigger Line and Trigger Field. Of Lines Of Fields Interlace Trigger Line Trigger Field 1,2,4 or 8 1, 1~2, 1~4, 1~8...

  • Page 88: Figure 27: Video Trigger

    SIGLENT Figure 27: Video Trigger To Use Custom Video Trigger Custom video trigger supports frame rates of 25Hz, 30Hz, 50Hz and 60Hz, and the line range is available from 300 to 2000. The steps below show how to set custom trigger.

  • Page 89: Window Trigger

    SIGLENT Window Trigger The windows trigger provides a high trigger level and a low trigger level. The instrument triggers when the input signal passes through the high trigger level or the low trigger level. There are two kinds of window types; Absolute and Relative. They have different trigger level adjustment methods.

  • Page 90: Figure 28: Absolute Window Trigger

    SIGLENT Figure 28: Absolute Window Trigger To set window trigger via Relative window type: 1. Press the Setup button on the front panel to enter the TRIGGER system function menu. 2. Press the Type softkey; then use the Universal Knob to select Window and push down the knob to confirm.

  • Page 91: Figure 29: Relative Window Trigger

    SIGLENT Figure 29: Relative Window Trigger SDS2000X User Manual...

  • Page 92: Interval Trigger

    SIGLENT Interval Trigger Trigger when the time difference between the neighboring rising or falling edges meets the time limit condition (<, >, [--,--], --][--). Trigger Trigger To set interval trigger: 1. Press the Setup button on the front panel to enter the TRIGGER system function menu.

  • Page 93: Figure 30: Interval Trigger

    SIGLENT Figure 30: Interval Trigger SDS2000X User Manual...

  • Page 94: Dropout Trigger

    SIGLENT DropOut Trigger DropOut trigger includes two types: Edge and state. Edge Trigger when the time interval (△T), measured from when the rising edge (or falling edge) of the input signal passes through the trigger level to when the neighboring rising edge (or falling edge) passes through the trigger level, is greater than the timeout time set, as shown in the figure below.

  • Page 95: Figure 31: Edge Dropout Trigger

    SIGLENT Figure 31: Edge DropOut Trigger To set state DropOut trigger: 1. Press the Setup button to enter the TRIGGER system function menu. 2. Press the Type softkey; then turn the Universal Knob to select DropOut and push down the knob to confirm.

  • Page 96: Runt Trigger

    SIGLENT Runt Trigger The Runt trigger looks for pulses that cross one threshold but not another as shown in the picture below. Positive runt pulse High level Low level Negative runt pulse  A positive runt pulse across through a lower threshold but not an upper threshold.

  • Page 97: Figure 33: Runt Trigger

    SIGLENT Figure 33: Runt Trigger SDS2000X User Manual...

  • Page 98: Pattern Trigger

    SIGLENT Pattern Trigger The Pattern trigger identifies a trigger condition by looking for a specified pattern. The pattern trigger can be expanded to incorporate delays similar to other triggers. Pattern durations are evaluated using a timer. The timer starts on the last edge that makes the pattern ―true‖.

  • Page 99: Figure 34: Pattern Trigger

    SIGLENT  >(Greater Than) – When the pattern is present for greater than a time value. The trigger occurs  [--,--](In Range) – When the pattern is present for a time within a range of values.  --][-- (Out of Range) – When the pattern is present for a time outside of the range of values.

  • Page 100: Serial Trigger And Decode

    SIGLENT Serial trigger and decode The oscilloscope provides IIC, SPI, UART/RS232, CAN and LIN serial trigger and decoding capabilities. This chapter introduces the method of triggering and decoding these serial signals in detail. The contents of this chapter:  IIC Trigger and Serial Decode ...

  • Page 101: Iic Trigger And Serial Decode

    SIGLENT IIC Trigger and Serial Decode The following section describes trigger and decoding for the IIC bus and is organized as follows: ―Setup for IIC Signals‖, ―IIC Triggering" and ―IIC Decode‖. Setup for IIC Signals Setting the IIC (Inter-IC bus) signal includes two steps: Connecting the serial data signal (SDA) and serial clock signal (SCK) to oscilloscope, specifying the threshold voltage of each input signal.
  • Page 102 SIGLENT trigger type is set to serial. (Tip: The SDA should be stable during the whole high clock cycle, otherwise it will be interpreted as a start or stop condition (data transitioning while the clock is high).) 7. Press softkey to return previous menu.

  • Page 103: Iic Triggering

    SIGLENT IIC Triggering This part introduces the nine kinds of trigger conditions (Start, Stop, Restart, No Ack, EEPROM, 7 Addr&Data, 10 Addr&Data and Data Length) and the methods of setting them. To introduce the trigger conditions  Start Condition— The oscilloscope will be triggered when the SDA signal transitions from high to low while the SCL clock is high.
  • Page 104 SIGLENT  7 Address & Data — The oscilloscope will be triggered when the following conditions are satisfied.  The address‘s length must be 7 bits and the address‘s value is the same as the set value.  If you have set either Data1‘s or Data2‘s value, and the signal has a data is the same as that value.
  • Page 105 SIGLENT  10 Address & Data — The oscilloscope will be triggered when the following conditions are satisfied.  The address‘s length must be 10 bits and the address‘s value is the same as the set value.  If you have set either Data1‘s or Data2‘s value, and the signal has a data is the same as that value.

  • Page 106: Figure 37: Iic Trigger Menu

    SIGLENT Figure 37: IIC TRIGGER Menu Press the Condition softkey and turn the Universal Knob to select the trigger condition:  If you select the EEPROM condition: Press the Limit Range softkey to set the qualifier (=, < or >).

  • Page 107: Iic Serial Decode

    SIGLENT IIC Serial Decode After completing the setup of IIC signal and trigger, we will decode IIC signals. Operation steps as follows. 1. Press Decode→Decode. Select one of the options from the Decode1 and Decode2. Figure 38: IIC Decode Menu 2.
  • Page 108 SIGLENT  The address of write frames are dark-green strings that contains ―W‖.  The address of read frames are yellow strings that contains ―R‖.  The data of frames are white strings. The lists of decoding result:  NO — The number of frames in screen.

  • Page 109: Spi Triggering And Serial Decode

    SIGLENT SPI Triggering and Serial Decode The following section describes trigger and decoding for SPI and is organized as follows: ―Setup for SPI Signals‖, ―SPI Triggering‖ and ―SPI Decode‖. Setup for SPI Signals Setting the SPI (Serial Peripheral Interface) signal includes two steps: Connecting the CLK, MISO, MOSI and CS signals to oscilloscope;...

  • Page 110: Figure 42: Miso Menu

    SIGLENT Set MISO: Press the MISO softkey to enter the MISO menu. Press the MISO softkey to select the channel that is connected to the SPI MISO signal. Press the Threshold softkey to set the SPI MISO signal threshold voltage level by Universal Knob.
  • Page 111 SIGLENT High voltage level of CS signal is available If the time between two edges of clock signal is less than (or CLK Timeout equal to) the value of timeout, the signal between the two edges is treated as a frame. The range of clock timeout is 100ns-5ms.

  • Page 112: Spi Triggering

    SIGLENT SPI Triggering This part will provide a brief introduction and description for the operation of the SPI trigger. 1. Press Setup key to enter the TRIGGER function menu. 2. Press Type and select Serial. 3. Press Protocol and select SPI.

  • Page 113: Figure 45: Spi Trigger

    SIGLENT 8. Press the Next Page softkey. 9. Press the Bit Order softkey to set the bit order(MSB or LSB). Figure 45: SPI Trigger SDS2000X User Manual...

  • Page 114: Spi Serial Decode

    SIGLENT SPI Serial Decode The following describes decode SPI signals. Operation steps as follows. 1. Press Decode→Decode. Select one of the options from the Decode1 and Decode2. 2. Press Display and select On to display the result of decoding. 3. Press List to enter the LIST function menu.
  • Page 115 SIGLENT The lists of decoding result:  NO — the number of frames in screen.  TIME (timestamp) — the horizontal displacement between current frame and trigger position.  MISO — the decoding result of ―Master-In, Slave-Out‖ line. MOSI —the decoding result of ―Master-Out, Slave-In‖ line.

  • Page 116: Uart/Rs232 Trigger And Serial Decode

    SIGLENT UART/RS232 Trigger and Serial Decode The following section describes trigger and decoding for UART/RS232 bus types and is organized as follows: ―Setup for UART/RS232 Signals”, “UART/RS232 Triggering‖ and ―UART/RS232 Decode‖. Setup for UART/RS232 Signals Press the Decode key to enter the DECODE function menu.

  • Page 117: Figure 48: Bus Config Menu

    SIGLENT Figure 48: BUS CONFIG Menu 10. Press Baud softkey to set the baud rate.  The baud rate can be set as predefined value.  If the desired baud rate is not listed, press Baud and select custom option, press the Custom and turn the Universal Knob to set the desired baud rate.

  • Page 118: Uart/Rs232 Triggering

    SIGLENT UART/RS232 Triggering This part will provide a brief introduction and description for the operation of the UART trigger. 1. Press Setup key to enter the TRIGGER function menu. 2. Press Type and select Serial. 3. Press Protocol and select UART.

  • Page 119: Figure 50: Uart Trigger

    SIGLENT Figure 50: UART Trigger SDS2000X User Manual...

  • Page 120: Uart/Rs232 Serial Decode

    SIGLENT UART/RS232 Serial Decode After completing the setup of UART signal and trigger, we will decode UART signals. Operation steps as follows. 1. Press Decode→Decode. Select one of the options from the Decode1 and Decode2. 2. Press Display and select On to display the result of decoding.
  • Page 121 SIGLENT Interpreting UART/RS232 Decode The frames of decoding result:  RX— The decoding result of the data received.  TX— The decoding result of the data transmitted. The lists of decoding result:  NO — The number of frames in screen.

  • Page 122: Can Trigger And Serial Decode

    SIGLENT CAN Trigger and Serial Decode The following section describes trigger and decoding for the CAN bus and is organized as follows: ―Setup for CAN Signals‖, ―CAN Triggering‖ and ―CAN Serial Decode‖. Setup for CAN Signals Press the Decode key to enter the DECODE function menu.
  • Page 123 SIGLENT  If the desired baud rate is not listed, press Baud and select custom option, press the Custom and turn the Universal Knob to set the desired baud rate. Press Decode Source to select the signal to be decoded.

  • Page 124: Can Triggering

    SIGLENT CAN Triggering This part will provide a brief introduction and description for the operation of the CAN trigger. To introduce the trigger conditions  Start— The oscilloscope will be triggered at the start bit of a frame.  Remote — The oscilloscope will be triggered by a remote frame with specified ID.

  • Page 125: Figure 53: Can Trigger

    SIGLENT significant bits can be changed.)  If you select the ID+DATA condition: a. Press ID bits softkey to select the ID‘s length (11or 29 bits). b. Press Curr ID Byte softkey and use the Universal Knob to select the byte that you want to modify.

  • Page 126: Can Serial Decode

    SIGLENT CAN Serial Decode After completing the setup of can signal and trigger, we will decode CAN signals. Operation steps as follows. 1. Press Decode→Decode. Select one of the options from the Decode1 and Decode2. 2. Press Display and select On to display the result of decoding.

  • Page 127: Interpreting Can Decode

    SIGLENT Interpreting CAN Decode. The frame of decoding result:  Arbitration field is displayed in frame  Control field is displayed in frame  Data field is displayed in frame  CRC field is displayed in frame The list of decoding result: ...

  • Page 128: Lin Triggering And Serial Decode

    SIGLENT LIN Triggering and Serial Decode The following section describes trigger and decoding for the LIN bus and is organized as follows: ―Setup for LIN Signals‖, ―LIN Triggering‖ and ―LIN Decode‖. Setup for LIN Signals There are two steps of setting the LIN signal: Connecting the signal to oscilloscope and specifying the parameters of each input signal.

  • Page 129: Lin Triggering

    SIGLENT LIN Triggering This part will provide a brief introduction and description for the operation of the LIN trigger. To introduce the trigger conditions  Break— The oscilloscope will be triggered at the position of the break field‘s break delimiter.

  • Page 130: Figure 56: Lin Trigger

    SIGLENT 5. Press Condition and select the trigger condition by the Universal Knob:  If you select ID condition: Press ID softkey and set its value by turning the Universal Knob.  If you select ID+DATA condition: Press ID softkey and set its value by turning the Universal Knob.

  • Page 131: Lin Serial Decode

    SIGLENT LIN Serial Decode After completing the setup of SPI signal and trigger, we will decode SPI signals. Operation steps as follows. 1. Press Decode→Decode. Select one of the options from the Decode1 and Decode2. 2. Press Display and select On to display the result of decoding.
  • Page 132 SIGLENT  Data Length is displayed in the frame  Data Field is displayed in the frame.  Checksum Field is displayed in the frame. The list of decoding result:  NO — The number of frames in screen. TIME (timestamp) — The horizontal displacement between the current frame and ...

  • Page 133: Digital Channels

    SIGLENT Digital Channels This chapter describes how to use the digital channels of a Mixed-Single Oscilloscope (MSO). The digital channels are enabled on SDS2000X series oscilloscopes that have installed the MSO activation license. This chapter contains the following items: ...

  • Page 134: To Connect The Digital Probes To The Device-Under-Test

    SIGLENT To Connect the Digital Probes to the Device-under-test 1. If necessary, turn off the power supply to the device-under-test.  Turning off the power to the device-under-test prevents damage that might occur if you accidentally short lines together while connecting probes. You can leave the oscilloscope powered on because no voltage appears at the probes.

  • Page 135: Acquiring Waveform Using The Digital Channels

    SIGLENT Acquiring Waveform Using the Digital Channels Press the Digital button on the front panel to open the digital channels and start acquiring digital channel waveforms. For digital channels, each time the oscilloscope takes a sample it compares the input voltage to the logic threshold.

  • Page 136: Figure 60: Middle Display Type

    SIGLENT Figure 60: Middle Display Type Figure 61: High Display Type The display type control lets you spread out or compress the digital traces vertically on the display for more convenient viewing. SDS2000X User Manual...

  • Page 137: To Switch A Single Channel On Or Off

    SIGLENT To Switch a Single Channel On or Off 1. Press the Digital button on the front panel to open the DIGITAL function menu. 2. Press the Channel Control softkey, then turn the Universal Knob to select the desired channel such as Dx and push down the knob to confirm.

  • Page 138: To Reposition A Digital Channel

    SIGLENT  The threshold you set applies to all channels.  Values greater than the set threshold are high (1) and values less than the set threshold are low (0).  If the D0~D7 or D8~D15 softkey is set to Custom, press the Custom softkey, then turn the Universal Knob to select the desired value and push down the knob to confirm.

  • Page 139: Figure 64: Digital Bus

    SIGLENT line at the bottom of the display. Light blue shows the digital channel is included in the bus while black shows it is excluded in the bus.  Under the DIGITAL function menu, press the System Display softkey to select Binary or Hex to display the bus values.

  • Page 140: To Save Reference Waveform

    SIGLENT To Save Reference Waveform SDS2000X can save analog channel or math waveforms to one of four reference waveform locations in the oscilloscope internal memory. Then, a reference waveform can be displayed and compared against other waveforms. Four reference waveforms can be displayed at a time.

  • Page 141: To Save Ref Waveform To Internal Memory

    SIGLENT To Save REF Waveform to Internal Memory Do the following steps to save the REF waveform to internal memory: 1. Press the REF button on the front to enter the REF WAVE function menu. Note that when the time horizontal format is in X-Y mode, REF function cannot be enabled.

  • Page 142: To Adjust Ref Waveform Display

    SIGLENT To Adjust REF Waveform Display 1. Please refer to the ―To Display REF Waveform‖ above to display the desired reference waveform. 2. Use the Vertical Scale knob and Vertical Position knob for Math/Ref to adjust the vertical scale and position of the reference waveform. The vertical scale and position information displays at the middle of the screen.

  • Page 143: To Use The Math Operation

    SIGLENT To Use the Math Operation SDS2000X supports many math operations between analog channels and reference waveforms, including addition (+), subtraction (-), multiplication (*), division (/), differential (d/dt), integral (∫dt), square root (√). The resulting math waveform is displayed in white and labeled with ―M‖.

  • Page 144: Units For Math Waveforms

    SIGLENT Units for Math Waveforms Use the channel function menu to set the unit of each channel to ―V‖ or ―A‖. SDS2000X math operation includes units as below: Math Operation Unit Addition (+)or subtraction (-) V, A ∧ ∧ multiplication (*)

  • Page 145: Math Operators

    SIGLENT Math Operators SDS2000X supports standard math operations (addition, subtraction, multiplication, division), FFT (Fast Fourier Transform) operation, and complex math functions (differential, integral, square root). Addition or Subtraction Math operators perform arithmetic operations - addition or subtraction- on any two analog input channels.

  • Page 146: Multiplication And Division

    SIGLENT Multiplication and Division Math operators perform arithmetic operations multiplication or division operation on any two analog input channels. When you select multiplication or division, the Source A and Source B values are multiplied or divided point by point and the result is displayed.

  • Page 147: Fft Operation

    SIGLENT FFT Operation FFT is used to compute the fast Fourier transform using analog input channels or reference waveforms. FFT takes the digitized time record of the specified source and transforms it to the frequency domain. When the FFT function is selected, the FFT spectrum is plotted on the oscilloscope display as magnitude in dBV versus frequency.
  • Page 148 SIGLENT To display a FFT waveform: 1. Press the Math button on the front panel to open the MATH function menu. 2. Press the Operation softkey and then turn the Universal Knob to select FFT. The resulting math waveform is displayed in white and labeled with ―M‖.

  • Page 149: Figure 68 Fft Waveform In Exclusive Mode

    SIGLENT  Split: the source channel and the FFT operation results are displayed separately. The time domain and frequency domain signals are displayed clearly.  Full Screen: the source channel and the FFT operation results are displayed in the same window to view the frequency spectrum more clearly and to perform more precise measurements.
  • Page 150 SIGLENT To measure FFT waveform: To make cursor measurements, press the Cursors button, and then press the Mode softkey to select On to turn the cursors, Use the X1 and X2 cursors to measure the frequency values and the difference between two frequency values (ΔX). Use the Y1 and Y2 cursors to measure amplitude in dB and difference in amplitude (ΔY).

  • Page 151: Differentiate

    SIGLENT Differentiate d/dt (differentiate) calculates the discrete time derivative of the selected source. Where:  d = differential waveform.  y = channel 1, 2, 3, or 4 data points.  i = data point index  Δ t =point-to-point time difference.

  • Page 152: Integrate

    SIGLENT Integrate dt (integrate) calculates the integral of the selected source. You can use integrate to calculate the energy of a pulse in volt-seconds or measure the area under a waveform. dt plots the integral of the source using the "Trapezoidal Rule". The equation is: ...

  • Page 153: Square Root

    SIGLENT Figure 71: Integral with Offset Square Root Square root (√) calculates the square root of the selected source. Where the transform is undefined for a particular input, holes (zero values) appear in the function output. Figure 72: Square Root...

  • Page 154: To Adjust The Math Waveform Scale And Offset

    SIGLENT To Adjust the Math Waveform Scale and Offset To Adjust the Math Waveform Horizontal Scale and Offset To check and analyze parts of a math waveform or to find an event-of-interest, you can do some horizontal and vertical adjustment.

  • Page 155: To Make Cursor Measurements

    SIGLENT To Make Cursor Measurements Cursors are horizontal and vertical markers that indicate X-axis values and Y-axis values on a selected waveform source. You can use cursors to make custom voltage and time measurements on input waveforms. X Cursors X cursors are vertical dashed lines that adjust horizontally and can be used to measure time (when the source is FFT waveform, X cursors measure frequency) X1 cursor is the leftmost (default position) vertical dotted line;...

  • Page 156: To Make Cursor Measurements

    SIGLENT To Make Cursor Measurements 1. Press the Cursors button on the front panel to enter the CURSOR function menu. 2. Press the Mode softkey and set the option to On. 3. Press the Source softkey, and then use the Universal Knob to select the desired source.

  • Page 157: To Make Measurements

    SIGLENT To Make Measurements SDS2000X provides measurements of 36 waveform parameters as well as basic statistics on those measured values. It contains voltage, time and delay parameters. Voltage and time parameters are under the Type option. The results of the last five selected measurements are displayed at the bottom of screen and above the menu.

  • Page 158: Type Of Measurement

    SIGLENT Type of Measurement Voltage Measurements Voltage measurements include 15 kinds of voltage parameter measurements. Figure 74: Voltage Measurements 1. Pk-Pk: The peak-to-peak value is the difference between Maximum and Minimum values. 2. Vmax: Maximum is the highest value in the waveform display.

  • Page 159: Figure 75: Overshoot

    SIGLENT Figure 75: Overshoot 14. Preshoot: Preshoot is distortion that precedes a major edge transition expressed as a percentage of Amplitude. The X cursors show which edge is being measured (edge closest to the trigger reference point). Figure 76: Preshoot 15.

  • Page 160: Time Measurements

    SIGLENT Time Measurements Time measurements include 9 kinds of time parameter measurements. Figure 77: Time Measurements 1. Period: Defined as the time between the middle threshold points of two consecutive, like-polarity edges. 2. Frequency: Defined as the reciprocal of period.

  • Page 161: Delay Measurements

    SIGLENT Delay Measurements Delay measurements measure the time-based values between any two channels. 1. Phase: The phase difference between two channels. 2. FRR: The time between the first rising edge of source 1 and the first rising edge of source 2 of 50 voltage level.

  • Page 162: To Make Automatic Measurements

    SIGLENT To Make Automatic Measurements Perform the steps below and select voltage or time parameters to make automatic measurements. 1. Press the Measure button on the front panel to enter the MEASURE function menu.. 2. Press the Source softkey, and then use the Universal Knob to select the desired channel.

  • Page 163: Figure 79: Add The Measurement

    SIGLENT Figure 79: Add the Measurement Note: If the parameter does not match the measured condition, it will display as ―****‖. SDS2000X User Manual...

  • Page 164: To Clear Measurement Parameters

    SIGLENT To Clear Measurement Parameters Press the Clear softkey to clear all the measurement parameters that are displayed on the screen. To Make All Measurement All measurements can measure all the voltage, time and delay parameters of the current measurement source. The table of results will be displayed on the screen.

  • Page 165: Display Setting

    SIGLENT Display Setting The display type, color, persistence, grid type, waveform intensity, grid brightness and transparence are all adjustable. The contents of this chapter:  To Set Display Type  To Set Color Display  To Set and Clear Persistence ...

  • Page 166: To Set Display Type

    SIGLENT To Set Display Type Press the Display button on the front panel, and then press the Type softkey to select Vectors or Dots display type.  Vectors: the sample points are connected by lines and displayed. Normally, this mode can provide the most vivid waveform to view the steep edge of the waveform (such as square waveform).

  • Page 167: To Set Color Display

    SIGLENT To Set Color Display Color temperature mode uses the change of the waveforms‘ color to reflect the change of the waveforms‘ appearing probability. This mode uses a change in color instead of the more common change in intensity. The greater the probability that the waveform appears, the warmer the color is;...

  • Page 168: To Clear The Display

    SIGLENT Figure 84: Persist Set to Infinite 3. When the Persist is On, to erase the results of previous acquisitions from the display, press the Clear Persist softkey. The oscilloscope will start to accumulate acquisitions again. 4. To return to the normal display mode, turn off persist and the previous acquisitions will be clear at once.

  • Page 169: To Select Grid Type

    SIGLENT To Select Grid Type To select grid type 1. Press the Display/Persist button on the front panel to enter the DISPLAY function menu. 2. Press the Next Page softkey to go to the second page of the Display function menu.

  • Page 170: Figure 85: Intensity Set To 100

    SIGLENT Figure 85: Intensity Set to 100% Figure 86: Intensity Set to 10% Note: Waveform intensity adjustment affects analog channel waveforms only (not math waveforms, reference waveforms, digital waveforms, etc.). SDS2000X User Manual...

  • Page 171: To Adjust Grid Brightness

    SIGLENT To Adjust Grid Brightness Do the following steps to adjust the grid brightness: 1. Press the Display button on the front panel to enter the DISPLAY function menu. 2. Press the Next Page softkey to go to the second page of the Display function menu.

  • Page 172: Save And Recall

    SIGLENT Save and Recall Oscilloscope setups, waveforms, pictures, and CSV files can be saved to internal oscilloscope memory or to a USB storage device. The saved setups, waveforms can be recalled later. SDS2000X provides an USB Host interface on the front panel to connect an USB device for external storage.

  • Page 173: Save Type

    SIGLENT Save Type SDS2000X supports setups, waveforms, pictures and CSV files storage. The default save type is setups. 1. Setups It‘s the default storage type of SDS2000X. SDS2000X saves the settings of the oscilloscope in internal or external memory in ―*.SET‖ format. At most 20 setting files (from No.1～No.20) can be stored in internal memory.

  • Page 174: Internal Save And Recall

    SIGLENT Internal Save and Recall Internal save and recall support Setups in Save/Recall. In the following part, the save and recall method and procedures are introduced.  Save the specified oscilloscope setting in internal memory. 1. Connect the signal to the oscilloscope and obtain stable display.

  • Page 175: External Save And Recall

    SIGLENT External save and recall Before using external storage and recall, make sure that the USB flash device is connected correctly. External storage supports all available file types. The oscilloscope cannot recall/save Picture or CSV file types.  Save the specified type of file to the external USB flash device.

  • Page 176: Figure 88: Select Save Location

    SIGLENT  Figure 88: Select Save Location 6. After the save position is selected, press the New softkey to turn on the interface as shown in the figure below. Refer to the descriptions in ―To Create a new file or fold” to create a new file name.
  • Page 177 SIGLENT  Load the specified type of file in the external USB storage device. 1. Press the Save/Recall button on the front panel to enter the SAVE/RECALL function menu. 2. Press the Recall softkey to enter the RECALL function menu.

  • Page 178: Disk Management

    SIGLENT Disk Management Disk management is used in save and recall operations after the oscilloscope is connected to a USB storage device. Before using an external disk, make sure that the USB storage device is connected correctly. Execute the following operations through the disk management menu: ...

  • Page 179: To Create A New File Or Folder

    SIGLENT To Create a New File or Folder This operation is only valid in external storage. The SDS2000X supports English alphabet characters, letters, numbers, underscores and spaces. Let‘s use an example to introduce how to create a file or folder.

  • Page 180: To Delete A File Or Folder

    SIGLENT 11. Press the Enter softkey to enter the file name. You will see a file or folder named ―SDS2013ab‖. To delete a file or folder This operation is only valid in external storage. 1. Press the Save/Recall button on the front to enter the SAVE/RECALL function menu.

  • Page 181: System Function Setting

    SIGLENT System Function Setting This function module supports the oscilloscope‘s system-related functions, such as system status, language, sound and other advanced settings. It allows access to self-calibration, firmware update and remote interface configuration. The contents of this chapter:  To View the System Status ...

  • Page 182: To View The System Status

    SIGLENT To View the System Status Do the following steps to view the system status: 1. Press the Utility button on the front to enter the UTILITY function menu. 2. Press the System Status softkey to view the system status of the oscilloscope. The system status includes the information below: ...

  • Page 183: To Do Self-Calibration

    SIGLENT To Do Self-Calibration The self-calibration program quickly enables the oscilloscope to utilize the best working state and to provide the most precise measurement values. You can perform self-calibration at any time, especially when there has been a change in the external ambient temperature of 5 ℃or more.

  • Page 184: To Enable Or Disable The Sound

    SIGLENT To Enable or Disable the Sound When the sound is enabled, the sound of the beeper will be heard when a function key or a menu softkey is pressed or when the prompt message pops up. Press the Utility button on the front panel to enter the UTILITY function menu; then press Sound softkey to select to turn on or off the sound.

  • Page 185: To Enable Pass/Fail Test

    SIGLENT To Enable Pass/Fail Test One way to verify a waveform's compliance to a particular set of parameters is to use pass/fail testing. A pass/fail defines a region of the oscilloscope's display in which the waveform must remain in order to comply with chosen parameters. Compliance to the mask is verified point-by-point across the display.

  • Page 186: To Set And Perform Pass/Fail Test

    SIGLENT To Set and Perform Pass/Fail Test Do the following steps to set and perform pass/fail test: 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to go to the second page of the UTILITY function menu.

  • Page 187: To Save And Recall Test Mask

    SIGLENT To Save and Recall Test Mask Users can save the current test mask to the internal Flash memory or external USB flash device. The file format of the test mask file is ―*.RGU‖.  Save Test Mask to Internal Memory 1.
  • Page 188 SIGLENT  Save Test Mask to External Memory Do the following steps to save the test mask to external memory: 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to go to the second page of the UTILITY function menu.

  • Page 189: I/O Set

    SIGLENT I/O Set SDS2000X provides abundant I/O interfaces, including: USB Device, LAN and Aux Output. To Set the USB Device Do the following steps to set the oscilloscope to communicate with PC via USB: 1. Install the USBTMC device driver on PC. The latest compatible version of National Instruments VISA is suggested.

  • Page 190: To Set The Lan

    SIGLENT To Set the LAN Do the following steps to set the oscilloscope to communicate with PC via LAN: 1. Connect the oscilloscope to your local area network using the network cable. 2. Press the Utility button on the front panel to enter the UTILITY function menu.

  • Page 191: To Set Aux Output

    SIGLENT To Set Aux Output Users can set the type of the signal output from the [Trigger Out] connector at the rear panel. 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the I/O Set softkey to enter the I/O SET function menu.

  • Page 192: To Do Power Analysis

    SIGLENT To Do Power Analysis The Power Analyze application enables quick and easy analysis on switching power supply efficiency and reliability. Output Analysis Transient Response Analysis Power Device Analysis Input Line Analysis Turn On Analysis Rectifier Power Transfer Output Input...

  • Page 193: To Perform Channel Deskew

    SIGLENT To Perform Channel Deskew To make accurate power loss measurements, current and voltage channel deskew using the DF2001A deskew fixture must be performed. The channel deskew procedure calibrates the time delay between the current and voltage probes. This step is critical . A small delay in the timing of the voltage and current traces can cause a large error in the instantaneous power reading.

  • Page 194: Figure 95: Df2001A Deskew Fixture

    SIGLENT Figure 95: DF2001A Deskew Fixture 3. Press the Utility on the front panel to enter the UTILITY function menu. 4. Press the Next Page softkey to enter the second page of the UTILITY function menu. Figure 96: Second Page of the UTILITY Function Menu 5.

  • Page 195: Perform Power Analysis

    SIGLENT Figure 99: Deskew Success Perform Power Analysis This chapter describes the available types of power analysis with the Power Analyze application:  Power Quality  Harmonics  Inrush  Switching  Slew Rate  Modulation  Output Ripple ...

  • Page 196: Figure 100: Analysis Function Menu

    SIGLENT Power Quality The Power Quality analysis shows the quality of the AC input line. Some AC current may flow back into and back out of the load without delivering energy. This current, called reactive or harmonic current, gives rise to an ―apparent‖ power which is larger than the actual power consume.

  • Page 197: Figure 102: Perform Power Quality Analysis

    SIGLENT  Real Power: The portion of power flow averaged over a complete cycle of the AC waveform, the result is the net transfer of energy in one direction.  Apparent Power: The portion of power flow due to stored energy, which returns to the source in each cycle.

  • Page 198: Figure 103: Turn On Statistic Function

    SIGLENT Figure 103: Turn on Statistic Function SDS2000X User Manual...

  • Page 199: Figure 104: Analysis Function Menu

    SIGLENT Current Harmonics Switching power supplies draw a range of harmonics from the AC mains. Standard limits are set for the power of the harmonics that travel back to the power distribution grid. These reflected harmonics can cause problems with other devices on the grid.

  • Page 200: Figure 107: Harmonics Analysis

    SIGLENT 13. Press the Standard softkey, and then turn the universal knob to select the desired standard to perform compliance testing on the current harmonics.  IEC 6100-3-2 Class A – for balanced three- phase equipment, household appliances (except equipment identified as Class D), tools excluding portable tools, dimmers for incandescent lamps, and audio equipment.
  • Page 201 SIGLENT Non Spec: the Limit (RMS) is 0 Pass : Margin is greater than 80% of the limit but less than 100% of the limit. Fail: Margin is less than 80% + ⋯ + X THD (Total THD = × 100%...

  • Page 202: Figure 108: Analysis Function Menu

    SIGLENT Inrush The inrush current analysis measures the peak inrush current when the power supply is first turned on. 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to enter the second page of the UTILITY function menu.

  • Page 203: Figure 110: Inrush Analysis

    SIGLENT Figure 110: Inrush Analysis When the analysis has completed, results are displayed at the bottom of the screen.  Peak Current: the peak current can be a positive or negative value, so the result is larger one of the measured maximum or minimum values.

  • Page 204: Figure 111: Analysis Function Menu

    SIGLENT Switching The switching loss analysis calculates the power dissipated in one switching cycle across the switching device. Typical power losses include:  Switching loss that occur during switching of Vds and Id.  Conduction losses that occur when the switching device (MOSFET) is ON.

  • Page 205: Figure 113: Switching Analysis Settings Menu

    SIGLENT for the measurement. 10. Return to the ANALYSIS function menu. 11. Press the Settings softkey to enter the SETTINGS menu. Figure 113: Switching Analysis SETTINGS Menu 12. Press the V Ref softkey, and then turn the universal knob to select the desired value.

  • Page 206: Figure 114: Switching Analysis

    SIGLENT Figure 114: Switching Analysis The voltage and current waveforms are displayed, as well as the power waveform (waveform math multiply of the voltage and current). Also displayed are the Power Loss and Energy Loss measurements.  Power Loss: P...

  • Page 207: Figure 115: Slew Rate Analysis Function Menu

    SIGLENT Slew Rate The slew rate analysis measures the rate of the voltage or current change during switching. 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to enter the second page of the UTILITY function menu.

  • Page 208: Figure 117: Perform Slew Rate Analysis

    SIGLENT Figure 117: Perform Slew Rate Analysis The voltage (Purple) and current waveform (Yellow) are displayed along with a differentiated math function waveform that shows the slew rate (White). Max and Min measurements on the slew rate waveform are added and displayed.

  • Page 209: Figure 118: Modulation Analysis Function Menu

    SIGLENT Modulation The modulation analysis measures the control pulse signal to a switching device (MOSFET) and observes the trending of the average, RMS-AC, period, frequency, positive width, negative width, duty cycle, rise time and fall time of the control pulse signal in response to different events.

  • Page 210: Figure 120: Modulation Analysis

    SIGLENT modulation analysis. 14. Press the Type softkey, and then turn the universal Knob to select the type of measurement to make in the modulation analysis.  Average  RMS –AC  Period  Frequency  Pos Width  Neg Width ...

  • Page 211: Figure 121: Output Ripple Analysis Function Menu

    SIGLENT Output Ripple The output ripple analysis measures the ripple noise of the power supply output. 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to enter the second page of the UTILITY function menu.

  • Page 212: Figure 123: Perform Output Ripple Analysis

    SIGLENT Figure 123: Perform Output Ripple Analysis The output voltage waveform is displayed along with this automatic power measurement: – V Output Ripple: V . The output ripple measurement is made on one source input that is the output voltage waveform.

  • Page 213: Figure 125: Turn On/Off Analysis Function Menu

    SIGLENT Turn On/ Off The turn on analysis measures the delay from when the power supply is turned on to when its output reaches 90% of its steady state. The turn off analysis measures the delay from when the power supply is turned off to when its output falls to 10% of its steady state.

  • Page 214: Figure 127: Turn On/Off Analysis

    SIGLENT This value is used to adjust the vertical scale of the channel probing the oscilloscope output voltage. 12. Return to the ANALYSIS function menu. 13. Press the Test softkey to select whether turn on or turn off analysis is performed:.

  • Page 215: Figure 128: Transient Analysis Function Menu

    SIGLENT Transient The transient response analysis measures how fast the output of a power supply responds to the change at the output load. This time is from when the output voltage first exits the setting band to when it last enters the setting band.

  • Page 216: Figure 130: Transient Setting Menu

    SIGLENT 13. Press the Settings softkey to enter the SETTINGS menu. Figure 130: Transient SETTING Menu 14. Press the Initial I softkey, and then turn the universal knob to specify the initial load current value. The initial load current will be used as a reference and to trigger the oscilloscope.

  • Page 217: Figure 132: Efficiency Analysis Function Menu

    SIGLENT Efficiency Efficiency analysis tests the overall efficiency of the power supply by measuring the output power and the input power. A 4-channel model SDS2000X oscilloscope is necessary to apply the efficiency analysis. 1. Press the Utility button on the front panel to enter the UTILITY function menu.

  • Page 218: Figure 134: Perform Efficiency Analysis

    SIGLENT 12. Press the Apply softkey to perform the efficiency analysis. When the analysis has completed, the results are displayed as shown below. Figure 134: Perform Efficiency Analysis The input voltage, input current waveforms, output voltage and output current waveforms are displayed, as well as the calculated input power, output power and efficiency: ...

  • Page 219: To Enable Quick-Cal

    SIGLENT To Enable Quick-Cal Quick-Cal can automatically calibrate the SDS2000X when ambient temperature variations are affecting the measurement accuracy. If the temperature environment that the SDS2000X is working in is not stable, perform the following steps: 1. Press the Utility button on the front panel to enter the UTILITY function menu.

  • Page 220: To Update Firmware And Configuration

    SIGLENT To Update Firmware and Configuration The firmware and configuration can be updated directly via the USB flash drive. Do the following steps to update the firmware: 1. Insert the USB flash drive containing the firmware and the configure files into the USB host interface on the front panel of the oscilloscope.

  • Page 221: To Perform A Self-Test

    SIGLENT To Perform a Self-Test Self-tests include screen test, keyboard test, control knobs and LED test. Screen Test 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to go to the second page of the UTILITY function menu.

  • Page 222: Keyboard Test

    SIGLENT Keyboard Test Keyboard test is used to test that the keys or the knobs are working correctly. Do the following steps to do keyboard test: 1. Press the Utility button on the front panel to enter the UTILITY function menu.

  • Page 223: Led Test

    SIGLENT LED Test LED test is used to test that if the button lights work well. 1. Press the Utility button on the front panel to enter the UTILITY function menu. 2. Press the Next Page softkey to go to the second page of the UTILITY function menu.

  • Page 224: To Specify The Screen Saver Time

    SIGLENT To Specify the Screen Saver Time When the oscilloscope enters the idle state and holds for a certain period of time, the screen saver program will be enabled. Do the following steps to set the screen saver time: 1. Press the Utility button on the front panel to enter the UTILITY function menu.

  • Page 225: Option Management

    Option Management The SDS2000X provides multiple options to fulfill your measurement requirements. Please contact your SIGLENT sales representative or SIGLENT technical support to order the corresponding options. You can view the options currently installed on the oscilloscope or activate the newly purchased option license codes through this menu.

  • Page 226: Figure 141: Option Information

    SIGLENT Figure 141: Option Information SDS2000X User Manual...

  • Page 227: To Use The History Function

    SIGLENT To Use the History Function The history function can record the waveforms of the input channels before pressing the Run/Stop button. In the run state, the oscilloscope records input waveform continually; when the memory becomes full (reaches the maximal frame), the new frames will cover the old frames and keep the latest frames.
  • Page 228 SIGLENT enough time to wait for the entire acquisition. 4. Press the softkey to replay the waveform from the current frame to 1. 5. Press the softkey to stop replay. 6. Press the softkey to replay the waveform from the current frame to the last frame.

  • Page 229: Arbitrary Waveform Generator

    SIGLENT Arbitrary Waveform Generator The SDS2000X supports a built-in arbitrary waveform generator. that can be used to source sine, square, ramp, pulse, DC, noise, cardiac, Gauss pulse, exp rise, exp fall and arbitrary waveforms. The contents of this chapter: ...

  • Page 230: To Set Wave Type And Parameters

    SIGLENT To Set Wave Type and Parameters 1. Press the WaveGen button on the front panel to open the built-in arbitrary waveform generator function. The first press lights up the backlight of the button, opens the output and enters the WAVEFORM function menu. A second press of the WaveGen button will turn off the backlight and the output.
  • Page 231 SIGLENT Offset/Offset Fine/ Low-Level/ Low-Level-Fine/ Width/ Width Fine value. Use the Universal Knob to ± 3.0V adjust the Offset value. Use the Universal Knob to Noise adjust the Stdev/ Mean value. Use the Universal Knob to adjust the Frequency/ Frequency...

  • Page 232: To Output Arbitrary Waveform

    SIGLENT To Output Arbitrary Waveform 1. Press the Wave Gen button on the front panel to enable the AWG function and enter the WAVEFORM function menu. 2. Connect the SDS2000X to a PC which is running the EasyWave software using a USB cable.

  • Page 233: To Set Output Load

    SIGLENT To Set Output Load 11. Press the Wave Gen button on the front panel to enter the WAVEFORM function menu. 12. Press the Setting softkey to enter the SETTING function menu. 13. Press the Output Load softkey to select High-Z or 50Ω.

  • Page 234: To Do Awg Self-Cal

    SIGLENT To Do AWG Self-Cal If the ambient operating temperature changes more than 5° and the instrument runs more than more 30 minutes, run the AWG self cal routine to reduce the environmental thermal change effects 1. Press the Wave Gen button on the front panel to enter the WAVEFORM function menu.

  • Page 235: Default Setup

    SIGLENT Default Setup Press the Default button on the front panel to set the SDS2000X back to the factory default values as shown below: Horizontal 1μs/div T/div Delay Zoom Format Vertical Channel on/off V/div 1 V/div Offset Coupling BW Limit...
  • Page 236 SIGLENT Persist Grid Intensity Brightness Transparence Cursor Mode Type Source -3.5 μs 3.5 μs Save/Recall Type Setups Save To Internal Setup NO.1 Utility IO Set USB Device USBTMC Aux Output Trig Out Sound Sound Pass/Fail Enable Test Source Operate Mes Display...
  • Page 237 SIGLENT Operate Source A Source B Invert V/div 1.00 V/div offset Source A Source B Invert V/div 1.00 V/div offset Source A Source B Invert V/div 1.00 V^2/div offset 0 V^2 Source A Source B Invert V/div 1.0/div offset Source...
  • Page 238 SIGLENT Vertical Scale 1.00 eve/div Vertical Offset √ Source Vertical Scale 1.00 V /div Vertical Offset Source Location REF A Display Decode Serial 1 Serial Display List Serial 2 Serial Display List Threshold 1.60 V Threshold 1.60 V Address 7bits Threshold 1.60 V...
  • Page 239 SIGLENT UART/RS232 Threshold 1.60 V Threshold 1.60 V Bound 9600 Parity Check None Stop Bit Idle Level Data Length CAN-H Threshold 1.60 V CAN-L Threshold 1.60 V Bound 100kb/S Decode Source CAN_H Source Threshold 1.60 V Baud 2400 Wave Gen...
  • Page 240 SIGLENT Pulse Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc 200μs Width Offset 0.0 mVdc Noise Stdev 448 mV Mean 0 mV Cardiac Frequency 1 KHz Amplitude 4 Vpp Offset 0 Vdc Gauss Pulse Frequency 1 KHz Amplitude 4 Vpp...

  • Page 241: Troubleshooting

    SIGLENT. Restart the instrument after completing the steps listed above. If these steps do not solve the problem, please contact SIGLENT. After the signal is sampled, there is no corresponding waveform displaying Check to make certain the probe is correctly connected to the signal connecting cord.
  • Page 242 Make sure the USB disk being used is of the flash type, the instrument does not support USB of hard disk type. Make sure the system format of used USB disk is FAT32. Restart the instrument and then insert the USB to verify operation. If a problem persists, please contact SIGLENT. SDS2000X User Manual...

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