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Scientific SMO2000XP User Manual

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Digital Oscilloscope
SMO2000XP
User Manual

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  • Page 1 Digital Oscilloscope SMO2000XP User Manual...

  • Page 2: Contents

    Information in this manual supersedes all corresponding previous released material. Scientific continues to improve products and reserves rights to amend part or all of the specifications, procedures, equipment at any time without notice.

  • Page 3: Table Of Contents

    TOUCH SCREEN DISPLAY ................... 20 6.1 OVERVIEW ...................... 20 6.2 MENU BAR ...................... 21 6.3 GRID AREA ..................... 21 6.4 CHANNEL DESCRIPTOR BOX ............... 22 6.5 TIMEBASE AND TRIGGER DESCRIPTOR BOXES ........24 6.6 DIALOG BOX ....................25 SMO2000XP User Manual 3/218...
  • Page 4 12.2.1 Overview ....................46 12.2.2 Acquisition ..................... 48 12.2.3 Roll Mode ....................49 12.2.4 Sequence ....................49 12.3 History ......................52 12.4 Zoom ......................54 13 Trigger........................56 13.1 Overview ......................56 13.2 Trigger Setup ....................56 SMO2000XP User Manual 4/218...
  • Page 5 14.5 CAN Trigger and Serial Decode ..............92 14.5.1 CAN Signal Settings ................92 14.5.2 CAN Trigger................... 92 14.5.3 CAN Serial Decode ................93 14.6 LIN Trigger and Serial Decode ............... 94 14.6.1 LIN Signal Settings ................94 SMO2000XP User Manual 5/218...
  • Page 6 16.5 Display Mode ....................123 16.6 Measurement Statistics ................. 124 16.7 Statistics Histogram ..................124 16.8 Simple Measurements ..................125 16.9 Gate ......................126 17 Math ........................127 17.1 Overview ......................127 17.2 Arithmetic ....................... 128 17.2.1 Average ....................129 SMO2000XP User Manual 6/218...
  • Page 7 23.9 Turn On/Turn Off ................... 172 23.10 Transient Response ..................174 23.11 PSRR ......................175 23.12 Power Efficiency ................... 176 24 Bode Plot ........................ 177 24.1 Overview ....................... 177 24.2 Configuration ....................178 24.2.1 Connection .................... 178 24.2.2 Sweep ....................178 SMO2000XP User Manual 7/218...
  • Page 8 28.13 Power On Line ....................212 28.14 Debug ......................212 29 Remote Control ....................... 213 29.1 Web Browser ....................213 29.2 Other Connectivity ..................214 30 Troubleshooting ...................... 215 31 Service & Maintenance ................... 217 32 Warranty Conditions ....................218 SMO2000XP User Manual 8/218...

  • Page 9: Introduction

    Scientific Introduction This user manual includes important safety and installation information related to the SMO2000XP series oscilloscopes and includes simple tutorials for basic operation of the oscilloscope. The series includes the following models: Model Analog Bandwidth SMO2504XP 500 MHz bandwidth, 4-channel, 2 GSa/s Sample rate...

  • Page 10: General Safety Summary

    The "WARNING" symbol indicates a potential hazard. It calls attention to a procedure, practice or condition which, if not followed, could possibly cause bodily injury or death. If a WARNING is indicated, do not proceed until the safety conditions are fully understood and met. SMO2000XP User Manual 10/218...

  • Page 11: Working Environment

    CAUTION: Do not exceed the maximum specified front panel terminal (CH1, CH2, CH3, CH4, EXT) voltage levels. Refer to Specifications for more details. CAUTION: Do not connect or disconnect probes or test leads while they are connected to a voltage source. SMO2000XP User Manual 11/218...

  • Page 12: Cooling Requirements

    Intentional interruption is prohibited. The position of the oscilloscope should allow easy access to the socket. To make the oscilloscope completely power off, unplug the instrument power cord from the AC socket. The SMO2000XP User Manual 12/218...

  • Page 13: Calibration

    Warning: Any use of the scope in a manner not specified by the manufacturer may impair the instrument’s safety protection. This instrument should not be directly connected to human subjects or used for patient monitoring. SMO2000XP User Manual 13/218...

  • Page 14: Getting Started

    Scientific Getting Started Power on SMO2000XP provides two ways for power on, which are: Power on Line When the “Power on Line” option is enabled, once the oscilloscope is connected to the AC power supply through the power cord, the oscilloscope boots automatically. This is useful in automated or remote applications where physical access to the instrument is difficult/impossible.

  • Page 15: Probe

    Scientific Probe The SMO2000XP series oscilloscope package includes passive probes as standard accessories. Probe Safety A guard around the probe body provides a finger barrier for protection from electric shock. Connect the probe to the oscilloscope and connect the ground terminal to ground before you take any measurements.
  • Page 16 4. Check the waveform displayed and compare it with the following. Under Perfectly Over Compensated Compensated Compensated 5. Use a non-metallic driver to adjust the low-frequency compensation adjustment hole on the probe until the waveform displayed is as the “Perfectly compensated” in the figure above. SMO2000XP User Manual 16/218...

  • Page 17: Quick Start

    F. Digital Input Connector: Receives digital signals from the SPL2016 digital probe. G. Analog Input Connectors H. Power Switch Supporting Legs: Adjust the supporting legs properly to use them as stands to tilt the oscilloscope for stable positioning of the oscilloscope. SMO2000XP User Manual 17/218...

  • Page 18: Rear Panel Overview

    Connect the LAN port to the network with a network cable with RJ45 head for remote control. Follow the steps below to set LAN connection: Utility S ystem Setting I /O L AN Config ＞ ＞ ＞ SMO2000XP User Manual 18/218...

  • Page 19: Usb Peripherals

    See the chapter "Mask Test" for more details. 5.3.5 Probes The SMO2000XP series oscilloscope supports active probe and passive probes. 5.3.6 Logic Probe To connect the logic probe: Insert the probe, with the correct side facing up, until you hear a “click”.

  • Page 20: Touch Screen Display

    Touch Screen Display Overview The entire SMO2000XP display is a capacitive touch screen. Use your fingers to touch, drag, pinch, spread, or draw a selection box. Many controls that display information also work as “buttons” to access other functions. If you using any mouse, you can click anywhere – that you can touch - to activate a control;...

  • Page 21: Menu Bar

    Display I ntensity ＞ ， Display G raticule ＞ There are multiple indicators on the grid: Trigger Level Indicator shows the level where the waveform triggers on the vertical axis. SMO2000XP User Manual 21/218...

  • Page 22: Channel Descriptor Box

    C. Coupling and Input Impedance D. Vertical Scale E. Vertical Offset F. Probe Attenuation Factor Bandwidth Limit Indicators: The SMO2000XP has two available bandwidth limits: 20 and 200 MHz. They are indicated by the following icons: 2 0 MHz bandwidth limit ： ：...
  • Page 23 1 :1 attenuation, suitable for direct coaxial cable connection or passive probes ： with 1X attenuation 1 0:1 attenuation, suitable for general passive probes or active probes with 10X ： attenuation 1 00:1 attenuation, suitable for some high-voltage probes ： C ustom attenuation factor ： SMO2000XP User Manual 23/218...

  • Page 24: Timebase And Trigger Descriptor Boxes

    AC coupling would shift the effective trigger level. ： T he signal is capacitively coupled. DC levels are rejected. See the datasheet for • details of the cut-off frequency. SMO2000XP User Manual 24/218...

  • Page 25: Dialog Box

    C. Scroll bar. When parameters are more than the displayed range, the blue scrollbar will be displayed. By sliding the dialog area up and down, or rolling the mouse wheel, it can scroll to the area not displayed. SMO2000XP User Manual 25/218...
  • Page 26 Scientific To Set Parameters The SMO2000XP provides a couple of different ways to input/select parameters: Switch: Sets parameters with two states, such as to enable or disable a function. Touch the switch region to change from one state to the other.

  • Page 27: Touch Gestures

    Pinch and spread the waveform horizontally move it on the horizontal axis to re-scale the timebase Drag the waveform up and down Pinch and spread the waveform vertically to move it on the vertical axis to re-scale the vertical gain SMO2000XP User Manual 27/218...

  • Page 28: Mouse And Keyboard Operation

    6.8 Mouse and Keyboard Operation The SMO2000XP user interface features mouse control as well as the touch screen. If the oscilloscope is connected to a USB mouse, you can click on the object with the mouse instead of touching the object.

  • Page 29: Front Panel

    All the knobs on the front panel are multi-function. They can be pushed as well as rotated. Pushing a knob quickly recalls a specific function, which is indicated by the silkscreen near to the knob. SMO2000XP User Manual 29/218...

  • Page 30: Vertical Control

    Rotate the knob to adjust the DC offset or vertical position of the channel. Push to set the offset to zero. When the digital channel is active, rotate the knob to change the position of the selected digital channel. SMO2000XP User Manual 30/218...

  • Page 31: Horizontal Control

    Run/Stop Button Press the button to switch the acquisition state between Run and Stop. When the state is Run, and the button is illuminated in yellow. When the state is Stop, the button is illuminated in red. SMO2000XP User Manual 31/218...

  • Page 32: Auto Setup Button

    Press again to turn off the decode function. Cursor Control A. Push the button to open the cursors setup dialog box B. Rotate the knob to move the selected cursor. Push to select a different cursor. SMO2000XP User Manual 32/218...

  • Page 33: Universal Knob

    Persist and lights the button. Press the button again to turn off Persist. Recalls the SAVE/RECALL dialog box. Recalls the UTILITY dialog box. Recalls the AWG dialog box. The LED on the button lights to indicate the output of the AWG is enabled. SMO2000XP User Manual 33/218...

  • Page 34: Multiple Approaches To Recall Functions

    Most of the functions of the oscilloscope can be recalled directly by the shortcut buttons on the front panel. See the chapter "Front Panel" for details. To open the trigger setup dialog box, press the Setup button in the trigger control area on the front panel. SMO2000XP User Manual 34/218...

  • Page 35: Quickly Capture The Signal

    Auto Setup will not work on all signal types, especially time-varying bursts or slow signals (< 100 Hz). If Auto Setup cannot achieve desired settings, you can manually adjust the vertical, horizontal, and trigger systems. See the chapters "Vertical Setup", "Horizontal and Acquisition Setup" and "Trigger" for details. SMO2000XP User Manual 35/218...

  • Page 36: Vertical Setup

    Touch the + button and then select the expected channel to turn it on, and its channel descriptor box and a dialog box will appear on the display. Touch the channel descriptor box and then touch the Off button to disable it. Turn on C1 Turn off C1 SMO2000XP User Manual 36/218...

  • Page 37: Channel Setup

    The vertical scale can be adjusted in coarse or fine mode. Use fine mode to scale the display such that the waveform fills the entire display to achieve the best measurement accuracy in the vertical direction. The oscilloscope automatically switches to fine mode when the vertical scale is altered by a touch gesture. SMO2000XP User Manual 37/218...
  • Page 38 (from signal or from oscilloscope itself) Bandwidth Limit Full bandwidth will pass through signals with high-frequency components, but it also means that noise with high-frequency components can pass through. When the frequency component SMO2000XP User Manual 38/218...
  • Page 39 (SNR) can be obtained by enabling one of the available bandwidth limits. The SMO2000XP provides two bandwidth limit options: 20 MHz and 200 MHz. The bandwidth limit effectively lowers the input frequency response of the input to the selected limit value.
  • Page 40 When invert is enabled, the waveform is displayed 180 degrees opposite to the earth potential. This is a mathematical inversion and does not physically change the actual potential of the input signal. Before invert After invert SMO2000XP User Manual 40/218...

  • Page 41: Digital Channels

    Note: To avoid personal injury or damage to the logic probe and any associated equipment, the following safety precautions should be noted. The equipment shall be used only for the purposes specified by the manufacturer. The SPL2016 probe is used only for Scientific series of oscilloscopes. Protection mechanisms can SMO2000XP User Manual 41/218...

  • Page 42: Enable/Disable The Digital Channels

    11.2 Enable/Disable the Digital Channels Turning on or off the digital channels is similar to analog channels. Digital data can be stored as waveform files. Horizontal cursors and most of the horizontal measurements also apply to digital waveforms. SMO2000XP User Manual 42/218...

  • Page 43: Digital Channel Setup

    E. ▲ to increase and ▼ to decrease the number of divisions occupied by the digital channels F. Reset the height to default value G. Turn off the digital channels H. Open digital dialog box on the right side SMO2000XP User Manual 43/218...
  • Page 44 The threshold level determines how the input signal is evaluated. The threshold level can be set in the Logic Setting. The input voltage less than the threshold is recognized as a '0', and the input voltage greater than the threshold is recognized as a ‘1’. SMO2000XP User Manual 44/218...
  • Page 45 Scientific The configurable logical level includes TTL, CMOS, LVCMOS 3.3V, LVCMOS 2.5V and Custom. The setting range of the custom threshold is -10.0V to + 10.0V. SMO2000XP User Manual 45/218...

  • Page 46: Horizontal And Acquisition Setup

    B. Select the Acq mode C. Select the acquisition mode (Normal/Peak) D. Select the maximum memory depth E. Recall the sequence dialog box F. Select the vertical resolution. In 10 bits mode, the bandwidth is limited to around 100 MHz SMO2000XP User Manual 46/218...
  • Page 47 With 200 Mpts memory depth, SMO2000XP can still run at full sample rate (2 GSa/s) even when set to the 10 ms/div timebase.

  • Page 48: Acquisition

    X Interpolation Sinc Interpolation Acq mode -- "Fast" is the default setting. The SMO2000XP provides a very high waveform update rate in fast mode. "Slow" mode will slow down the waveform update on purpose. Resolution -- The vertical resolution. "8-bits" is the default setting. In "10-bits" mode, the vertical resolution is 4x better, while the bandwidth is limited to about 100 MHz.

  • Page 49: Roll Mode

    If sequence mode is enabled, the display will not update until all of the sequences have been acquired. The SMO2000XP can achieve a minimum 2µs trigger interval in Sequence mode, corresponding to a waveform update rate of 500,000 wfm/s.
  • Page 50 (5,000 in this example, up to 90,000 depending on the number of samples at the current time base). Wait patiently until the acquisition completes, then all the waveforms satisfying the trigger conditions are displayed onto the screen. SMO2000XP User Manual 50/218...
  • Page 51 During acquisition, there is a counter on the screen indicating the number of segments that have been acquired. In the example, 5000 pulses can be obtained with the sample rate of 2 GSa/s at the maximum memory depth. SMO2000XP User Manual 51/218...

  • Page 52: History

    If you need to observe a single frame, you can use history mode. To enable history mode, touch the Frame No. area twice, then the virtual numeric keypad pops up. Input the number "412" to specify the 412th segment (frame). SMO2000XP User Manual 52/218...
  • Page 53 Delta T is the acquisition time interval between adjacent two frames, it is shown as 50 ms in the following diagram, which is consistent with the period of the actual waveform. Acq Time label Delta T label SMO2000XP User Manual 53/218...

  • Page 54: Zoom

    Touch the Interval Time area to control the speed of automatic play. In the process of automatic play, the list will automatically scroll to the current frame. 12.4 Zoom The SMO2000XP supports waveform zoom in the horizontal direction. Press down the horizontal knob on the front panel to turn on the zoom function.
  • Page 55 Adjust the horizontal scale of the Zoom window by horizontal pinch and spread in the zoom area of the main window or in the Zoom window Adjust the horizontal scale of the main window by pinch and spread in the gray area of the main window SMO2000XP User Manual 55/218...

  • Page 56: Trigger

    You need to have some knowledge of the signal-under-test to quickly capture the desired waveform. SMO2000XP User Manual 56/218...

  • Page 57: Trigger Setup

    F. Enable/disable Noise Rejection. When Noise Reject is on, the trigger hysteresis is increased, so the noise immunity of the trigger circuit is better. As a compromise, the trigger sensitivity degrades G. Set the Zone trigger SMO2000XP User Manual 57/218...

  • Page 58: Trigger Level

    Note: In Auto mode, if the signal satisfies the trigger conditions but cannot trigger the oscilloscope stably, it may be that interval between two trigger events exceeds the timeout period. Try Normal mode in this case. SMO2000XP User Manual 58/218...

  • Page 59: Trigger Type

    13.5 Trigger Type 13.5.1 Overview The trigger modes of the SMO2000XP are digital designs. Compared with analog trigger circuits, digital triggers can not only greatly optimize trigger precision, trigger jitter, but also support multiple trigger types and complex trigger conditions.

  • Page 60: Edge Trigger

    Holdoff, coupling, and noise reject can be set in edge trigger, see the sections " Holdoff", " Trigger Coupling" and " Noise Reject" for details. Note: Press the Auto Setup button, and the oscilloscope will set the trigger type to Edge. SMO2000XP User Manual 60/218...

  • Page 61: Slope Trigger

    The lower level should always be less than or equal to the upper level. In the trigger descriptor box, the lower level is displayed. SMO2000XP User Manual 61/218...

  • Page 62: Pulse Trigger

    - - Trigger when the positive or negative pulse time of the input （ （ （ （ ≤ ） ） ） ） signal is lower than the specified time value. Below is an example of trigger condition is set to positive pulse width < 100ns SMO2000XP User Manual 62/218...

  • Page 63: Video Trigger

    The video trigger can be used to capture the complicated waveforms of most standard analog video signals. The trigger circuitry evaluates the vertical and horizontal interval of the waveform based on the video trigger settings you have selected. The SMO2000XP supports standard video signal for NTSC (National Television Standards Committee), PAL (Phase Alternating Line), HDTV (High Definition Television) and a custom video signal trigger.
  • Page 64 If the "Of Lines" is set to 800, the correct relationship between them is as follows: Of Lines Interlace Of Fields Trigger Line Trigger Field 1/2/4/8 1/1~2/1~4/1~8 1/2/4/8 1/1~2/1~4/1~8 1/2/4/8 1/1~2/1~4/1~8 SMO2000XP User Manual 64/218...
  • Page 65 5. Touch the Sync and select the "Select" to make the Field and Line optional, then select "1" in the "Field", and set the "Line" to "22" by using the universal knob or the virtual keypad. SMO2000XP User Manual 65/218...
  • Page 66 Select the "Select" mode, then set the specified line and the specified field to trigger the signal. Assuming that the "Field" is set to 8, you can select any field from 1 to 8, and each field can choose any line from 1 to 100. SMO2000XP User Manual 66/218...

  • Page 67: Window Trigger

    To set window trigger via the Relative window type When the window trigger type is set to "Relative", touch the trigger descriptor box. The pop-up menu will show two user-defined parameters: “Level +/-Delta" and "Level Center". SMO2000XP User Manual 67/218...

  • Page 68: Interval Trigger

    Trigger when the time interval (△T) 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 set time, as shown in the figure below: SMO2000XP User Manual 68/218...

  • Page 69: Runt Trigger

    Runt trigger looks for pulses that cross one threshold but not another as shown in the figure below: A positive runt pulse across through the low level but not the high level. • A negative runt pulse across through the high level but not the low level. • SMO2000XP User Manual 69/218...

  • Page 70: Pattern Trigger

    The Pattern trigger identifies a trigger condition by looking for a specified pattern. The SMO2000XP provides 4 patterns: logical AND, OR, NAND and NOR combination of the channels. Each channel can set to "Low", "High" or "Don't Care". If all channels are set to "Don’t Care", the oscilloscope will not trigger.

  • Page 71: Trigger Source

    For example, to achieve a stable trigger on the repetitive pulses shown in the figure below set the holdoff time (t) to 200 ns < t < 600 ns. SMO2000XP User Manual 71/218...

  • Page 72: Trigger Coupling

    • frequency bursts or where the use of AC coupling would shift the effective trigger level. AC: The signal is capacitively coupled. DC levels are rejected. See the datasheet for • details of the cut-off frequency. SMO2000XP User Manual 72/218...

  • Page 73: Noise Reject

    See the datasheet for details of the cut-off frequency. 13.9 Noise Reject Noise Reject adds additional hysteresis to the trigger circuitry. By increasing the trigger hysteresis, the noise immunity becomes better but the trigger sensitivity degrades. Noise Reject = Off Noise Reject = On SMO2000XP User Manual 73/218...

  • Page 74: Zone Trigger

    Scientific 13.10 Zone Trigger The SMO2000XP includes a zone trigger to help isolate elusive glitches. There are two user- defined areas: Zone1 and Zone2. Users can set the property of each zone as “intersect” or “not intersect” as an additional condition to further isolate the interesting event quickly.
  • Page 75 When the finger moves out of the screen, a menu pops up for selecting the zone and setting the zone properties: Once a zone is created, it can be moved by dragging. Just touch and hold the zone box and use a dragging gesture. SMO2000XP User Manual 75/218...
  • Page 76 If zone1 and zone2 are both turned on, the result of the "AND" operation in two zones becomes the qualifying condition of triggering. Below is an example in which we want to capture a waveform of bus contention using the SMO2000XP: SMO2000XP User Manual 76/218...
  • Page 77 With a simple edge trigger, it is unlikely to trigger consistently on this anomaly. Thanks to the high waveform update rate of the SMO2000XP, we can confirm there is bus contention happening by enabling the persistence display, as shown in the figure below: In this case, the zone trigger is a quick and simple way to capture the interesting waveform.
  • Page 78 Scientific SMO2000XP User Manual 78/218...

  • Page 79: Serial Trigger And Decode

    Scientific Serial Trigger and Decode 14.1 Overview The SMO2000XP supports serial bus triggering and decoding on the following serial bus protocols: I2C, SPI, UART, CAN, LIN, and also support optional FlexRay, CAN FD, I2S and MIL-STD-1553B Press the Setup button on the front panel or touch the trigger descriptor box, and then select the Type as Serial in the trigger dialog box to set the serial trigger: A.

  • Page 80: I2C Trigger And Serial Decode

    A. Set the source of SCL. In the example above, SCL is connected to C4. B. Set the threshold level of SCL. It is 1.7V for the LVTTL signal in this example. C. Set the source of SDA. In the example above, SDA is connected to C1. SMO2000XP User Manual 80/218...

  • Page 81: I2C Trigger

    Start — The oscilloscope will be triggered when the SDA line transitions from high to low while the SCL is high. Stop — The oscilloscope will be triggered when the SDA line transitions from low to high while the SCL is high. SMO2000XP User Manual 81/218...
  • Page 82 Frame (Start: 7-bit address: R/W: Ack) — Data1 and Data2 are set to “0xXX”. If all bits match, then trigger on the Ack bit followed by the R/W bit. Frame (Start: 7-bit address: R/W: Ack: Data: Ack: Data2)—If all bits match, then trigger on the Ack bit followed by the Data2. SMO2000XP User Manual 82/218...
  • Page 83 Touch the Address Length to select "7-bits" or "10-bits" to match the address of the • input signal. Touch the Data Length and turn the universal knob or by virtual keypad to set the data • length to match the data length of the input signal. SMO2000XP User Manual 83/218...

  • Page 84: I2C Serial Decode

    The data value is displayed in white. • A red point at the end of a segment indicates there is not enough space on the display • to show the complete content of a frame, and some content is hidden, such as SMO2000XP User Manual 84/218...
  • Page 85 R/W bit is represented together with the address. For example, the address 0x4E: Write: Ack, is displayed as "0x4E (W)" when the R/W bit is not included and is displayed as "0x9C"when the R/W bit is included. SMO2000XP User Manual 85/218...

  • Page 86: Spi Trigger And Serial Decode

    CS – Active high. The CS signal needs a complete rising edge on the screen to be • regarded as active. ~CS – Active low. The ~CS signal needs a complete falling edge on the screen to be • regarded as active. SMO2000XP User Manual 86/218...
  • Page 87 When the CS type is set to Clock Timeout, turn on Cursor, measure the clock idle time between frames as 300 µs, and measure the interval between clock pulses as 2.4 µs, then set the timeout to a value between 2.4 and 300 µs. In this example it is set to 10 µs: SMO2000XP User Manual 87/218...
  • Page 88 If the data width is set to be greater than 8-bits (such as 16-bits), measure the clock idle time between 8-bit data packets as 20 µsand then set the timeout time to a value between 20 and 300 µs. In this example, it is set to 30 µs: SMO2000XP User Manual 88/218...

  • Page 89: Spi Trigger

    D. Set the bit order to MSB or LSB E. Return to previous menu 14.3.3 SPI Serial Decode The configuration of SPI decoding is similar to I2C. In the Bus Config menu, Data Length (4-32 bit) and Bit Order (LSB or MSB) are configurable. SMO2000XP User Manual 89/218...

  • Page 90: Uart Trigger And Serial Decode

    D. Select the number of stop bits E. Set the idle level F. Set the bit order G. Return to previous menu The method of copying settings is the same as I2C signal settings. See " I2C Signal Settings" for details. SMO2000XP User Manual 90/218...

  • Page 91: Uart Trigger

    Error — The oscilloscope performs parity check on the data according to the parity • type set by the user, and triggers if the check value is incorrect. 14.4.3 UART Serial Decode The configuration of UART decoding is similar to that of I2C decoding. SMO2000XP User Manual 91/218...

  • Page 92: Can Trigger And Serial Decode

    ID + Data —The oscilloscope triggers on the data frame that matches the specified ID • and data.ID, ID Bits (11-bit or 29-bit), Curr ID Byte (1st, 2nd, 3rd, or 4th byte), Data1 and Data2 can be set. Error—The oscilloscope triggers on the error frame. • SMO2000XP User Manual 92/218...

  • Page 93: Can Serial Decode

    “R”. ID — ID of the frame, 11-bits or 29-bits ID are automatically detected. • Length — Data length. • Data — Data values. • CRC — Cycle redundancy check. • Ack — Acknowledge bit. • SMO2000XP User Manual 93/218...

  • Page 94: Lin Trigger And Serial Decode

    The configuration of LIN decoding is similar to that of I2C decoding. On the bus: ID is displayed in green • LEN (data length) and CHK are displayed in blue • DATA is displayed in white. • SMO2000XP User Manual 94/218...

  • Page 95: Flexray Trigger And Serial Decode

    In the BusConfig menu of the trigger and decoding section, the baud rate can be set to 2.5 Mb/s, 5.0 Mb/s, 10.0 Mb/s or Custom. The method of copying settings is the same as I2C signal settings. See " I2C Signal Settings" for details. SMO2000XP User Manual 95/218...

  • Page 96: Flexray Trigger

     displayed in the frame and displayed in light yellow. D (data) is displayed in the frame and displayed in white. • FCRC (Data Check Code) is displayed in the frame and displayed in blue. • SMO2000XP User Manual 96/218...

  • Page 97: Can Fd Trigger And Serial Decode

    50 kb/s, 100 kb/s, 250 kb/s, 1 Mb/s or Custom. The data baud rate can be set to: 500 kb/s, 1 Mb/s, 2 Mb/s, 5 Mb/s, 8 Mb/s, 10 Mb/s or Custom. The method of copying settings is the same as I2C signal settings. See " I2C Signal Settings" for details. SMO2000XP User Manual 97/218...

  • Page 98: Can Fd Trigger

    Stuff Bit Cnt Err: Effective only when ISO is turned on, the oscilloscope triggers when the stuff bit count is incorrect. Stuff Bit Cnt Par. Err: Effective only when ISO is turned on, the oscilloscope triggers when the polarity of the stuff bit count is incorrect. SMO2000XP User Manual 98/218...

  • Page 99: Can Fd Serial Decode

    "FD", the extended frame is represented by "Ext" and the remote frame is represented by "RTR". ID— Frame ID. • Length— Data length. • Data— Data bytes. • CRC— Cycle redundancy check. • Ack— Acknowledge bit. • SMO2000XP User Manual 99/218...

  • Page 100: I2S Trigger And Serial Decode

    • High–Select the right channel when WS is low and left channel when WS is high. • The method of copying settings is the same as I2C signal settings. See " I2C Signal Settings" for details. SMO2000XP User Manual 100/218...

  • Page 101: I2S Trigger

    Touch Duration to set the value by the universal knob or virtual keypad. The range is 1-64 frames. Clip— Trigger on a clipped signal. Clip signal: Volume is greater than the set value • and duration reaches the set value. SMO2000XP User Manual 101/218...

  • Page 102: I2S Serial Decode

    Error— Error • 14.10 MIL STD 1553B Trigger and Serial Decode This section covers triggering and decoding MIL-Standard 1553B signals. Please read the following for more details: " MIL-STD-1553B Signal Settings" and " MIL-STD-1553B Serial Decode". SMO2000XP User Manual 102/218...

  • Page 103: Mil-Std-1553B Signal Settings

    In the decoding list view: Time— The horizontal offset of the current data frame head relative to the trigger • position. RTA— The RT address • Type— Type of the word • Data— Data values • Error— Error type • SMO2000XP User Manual 103/218...

  • Page 104: Cursors

    E. Cursors type (horizontal, vertical, horizontal + vertical), this option is supported only in "Manual" mode. F. Display mode of cursors G. X cursors reference (Delay or Position) H. Y cursors reference (Offset or Position), this option is supported only in "Manual" mode. SMO2000XP User Manual 104/218...
  • Page 105 Track -- The cursor type is automatically set to "horizontal + vertical". In this mode, • only horizontal cursors are adjustable, while the vertical cursors automatically attach to the cross-point of the cursor and the source waveform. Manual Mode Track Mode SMO2000XP User Manual 105/218...
  • Page 106 – Horizontal dotted lines that measure vertical voltage or current (depending on （ （ （ （ ） ） ） ） the unit of the selected channel). When the cursor's source is the math function, the units will match the math function. SMO2000XP User Manual 106/218...
  • Page 107 Display Mode M2 M1 – The position information of each cursor is attached to the cursor, and the • difference information is between the two cursors with arrows connected to the cursors. This mode is more intuitive. SMO2000XP User Manual 107/218...
  • Page 108 • grid position on the display. Take X cursors reference as an example to demonstrate the scaling effect of different settings: Timebase=50 ns/div, X1= -50 ns = -1div X 2 = 100 ns = 2div ， SMO2000XP User Manual 108/218...
  • Page 109 The value of X1 and X2 are changed to -100 ns, 200 ns. Fixed delay, timebase is changed to 100 ns/div, the value of X cursors (-50 ns, 100 ns) remains fixed. The grid number of X cursors are changed to -0.5 div, 1 div. SMO2000XP User Manual 109/218...

  • Page 110: Select And Move Cursors

    Touch the display area of △X (or △Y) in M1 mode and drag it to move the two cursors simultaneously, as shown in the figure below. This is equivalent to the operation on the cursor type X1-X2 or Y1-Y2. SMO2000XP User Manual 110/218...
  • Page 111 Dialog Box Touch the cursor name area of the dialog box, select the cursor(s) in the pop-up list, and then rotate the universal knob to adjust the position. SMO2000XP User Manual 111/218...

  • Page 112: Measurement

    The SMO2000XP can also measure multiple channels at the same time, showing up to 5 parameter measurements with statistics while in the M1 display mode and up to 12 parameters in the M2 mode.
  • Page 113 G. Turn on or off statistics H. Turn on or off histogram Clear and restart the statistics. Pressing the Clear Sweeps button on the front panel has an equivalent effect J. Set the time gate for measurement SMO2000XP User Manual 113/218...

  • Page 114: Set Parameters

    C1 and Period measurements for C2, follow the steps below: Source>C1>Vertical>Pk-Pk Source>C2>Horizontal>Period For the channel delay (CH Delay) measurement, because the number of sources involved is greater than 1, the steps to specify the source is different: SMO2000XP User Manual 114/218...
  • Page 115 The “Favorite” tab is used to store frequently used items. You can customize this tab. Up to 20 items can be stored in it. Long-press an item to add or remove it from the “Favorite” tab. For example, to add Pk-Pk to the “Favorite” tab: Advanced>Type >Vertical>Pk-Pk>Add to favorite SMO2000XP User Manual 115/218...

  • Page 116: Type Of Measurement

    Scientific To remove Period from the “Favorite” tab: Advanced>Type >Favorite>Period>Delete from favorite 16.3 Type of Measurement 16.3.1 Vertical Measurement Vertical measurement includes 19 parameters: SMO2000XP User Manual 116/218...
  • Page 117 Median: Value at which 50% of the measurements are above and 50% are below • Cycle Median: Median of the first cycle • Overshoot (FOV): Overshoot following a falling edge; 100%* (base-min)/amplitude • Overshoot (ROV): Overshoot following a rising edge; 100%*(max-top)/amplitude • SMO2000XP User Manual 117/218...

  • Page 118: Horizontal Measurement

    Preshoot (FPRE): Overshoot before a falling edge. • Equal to 100 %*( max-top)/amplitude. Preshoot (RPRE): Overshoot before a rising edge. • Equal to 100 %*( base-min)/amplitude. L@T: Level measured at trigger position • 16.3.2 Horizontal Measurement Horizontal measurement includes 17 parameters: SMO2000XP User Manual 118/218...
  • Page 119 10-90%Rise: Duration of rising edge from 10-90% • 90-10%Fall: Duration of falling edge from 90-10% • 20-80%Rise: Duration of rising edge from 20-80% • 80-20%Fall: Duration of falling edge from 80-20% • CCJ: The difference between two consecutive periods • SMO2000XP User Manual 119/218...

  • Page 120: Miscellaneous Measurements

    • Ppulses: Number of positive pulses in a waveform • Npulses: Number of negative pulses in a waveform • 16.3.4 Delay Measurement Delay measurement measures the time difference between two channels. It includes 10 delay parameters: SMO2000XP User Manual 120/218...
  • Page 121 T he time between the first falling edge of source A and the last falling edge of ： • source B at the 50% crossing Skew: Time of source A edge minus time of nearest source B edge • SMO2000XP User Manual 121/218...

  • Page 122: Trend

    F. Minimum value G. Average value H. Reset statistics Press Clear Sweeps button or touch Reset Statistics in the measure dialog box, or touch the symbol in the statistics display area to clear and restart statistics. SMO2000XP User Manual 122/218...

  • Page 123: Display Mode

    In M2 mode, up to 12 parameter measurements are displayed at a time. When statistics are enabled, they are distributed on the right side of the measurement item. Touch a row to add or replace a measurement. SMO2000XP User Manual 123/218...

  • Page 124: Measurement Statistics

    Touch the histogram area of a parameter to enlarge it for details. You can move the large histogram window position around the display by dragging. Touch the histogram of another parameter to switch to the corresponding enlarged histogram. SMO2000XP User Manual 124/218...

  • Page 125: Simple Measurements

    Enabling Simple Measurement displays all selected measurement parameters of the specified channel at the same time. The font color of the measurement parameters is consistent with the color of the specified source. Yellow for Channel 1, Purple for Channel 2, etc. SMO2000XP User Manual 125/218...

  • Page 126: Gate

    The setting of gate cursors is similar to that of ordinary cursors. See " Select and Move Cursors" for details. The figure below shows a scenario in which the gate function is used to measure the peak- peak parameter of the trough of an amplitude modulated waveform: SMO2000XP User Manual 126/218...

  • Page 127: Math

    Math 17.1 Overview The SMO2000XP supports 2 math traces and multiple operators: Addition (+), subtraction (-), multiplication (x), division (/), differential (d/dt), integral (∫dt), square root (√), FFT, average and ERES, as well as a formula editor. The math traces are labeled with an “F1” and “F2” icon and can be measured by the cursors or as the source of auto measurement.

  • Page 128: Arithmetic

    Average ERES 17.2 Arithmetic The SMO2000XP can perform arithmetic operations including addition, subtraction, multiplication or division on any two analog input channels. The values of Source A and Source B are computed point-by-point. The following figure shows an example of F1 = C1 + C2:...

  • Page 129: Average

    17.2.2 ERES The oscilloscope filters the sample, which rejects noise in the high-frequency domain, so the signal-to-noise ratio (SNR) is improved. As a result, the effective number of bits (ENOB) of the oscilloscope is enhanced. SMO2000XP User Manual 129/218...

  • Page 130: Algebra

    ERES bits and bandwidth: ERES Bits -3dB bandwidth 0.25*Sample rate 0.115*Sample rate 0.055*Sample rate 0.028*Sample rate 0.014*Sample rate 3 0. 007*Sample rate 17.3 Algebra The SMO2000XP can perform algebra operations including differential (d/dt), integral (∫dt) and square root (√) SMO2000XP User Manual 130/218...

  • Page 131: Differential

    The range of “dx” in the d/dt menu is 2~20. The measurement units are point and the corresponding time difference range is 0.02~0.20 div. “div” indicates the number of the pixel points that each division has and is 100 for the SMO2000XP. If dx = 10 points, the time difference is: 0.01*10 = 0.1 div...

  • Page 132: Integral

    Gate function, then set Gate A and Gate B to define the gate. The setting of the gate cursors is similar to that of normal cursors. See " Select and Move Cursors" for details. SMO2000XP User Manual 132/218...

  • Page 133: Square Root

    The horizontal axis of the FFT display is labeled using frequency (Hz) units instead of time (seconds). In addition, the vertical axis provides the option of logarithmic scaling (dBVrms/dBArms or dBm). In this mode, the oscilloscope display is very similar to a spectrum analyzer. SMO2000XP User Manual 133/218...
  • Page 134 Frequency interval (△ △ △ △ f): The frequency interval between two adjacent points in the FFT • sequence, which is proportional to the frequency resolution. Average count of FFT (Avg): Displayed only when the FFT mode is set to "Average", • indicating the completed average count. SMO2000XP User Manual 134/218...
  • Page 135 Windows Spectral leakage in FFTs can be considerably decreased when a window is used. SMO2000XP provides five windows that have different characteristics and are applicable to different scenarios. For example, for a two-tone signal with a very close frequency interval, it is suitable to use a Rectangle window with the best frequency resolution.
  • Page 136 The time-domain waveform is on the upper half screen, while the frequency domain waveform is located within the lower half of the display. In Split mode, if Zoom is enabled, the zoomed waveform and the frequency domain waveform are displayed on the lower half screen together. SMO2000XP User Manual 136/218...
  • Page 137 FFT mode is set as Average, Average will appear under FFT Mode. The average count can be set here, ranging from 4 to 1024. Press the Clear Sweeps on the front panel or touch Reset in the dialog box to restart the average counter. SMO2000XP User Manual 137/218...
  • Page 138 Touch Scale to set the vertical scale of FFT waveform by the universal knob or the virtual keypad. It can also be set by the scale knob shared by Decode, Digital, Math, and Ref on the front panel. The reference point for vertical scale scaling is the reference level. SMO2000XP User Manual 138/218...
  • Page 139 The reference point for horizontal scale scaling is the center frequency. FFT Tools The SMO2000XP provides two tools for FFT waveform: Peaks and Markers. The peaks tool can automatically search the qualified peak points and mark them on the FFT waveform. Up to 10 peaks are supported.
  • Page 140 Return to previous menu Note The FFT dialog box is longer than the display. Slide the dialog box area up and down by gestures, or scroll the mouse wheel to the view non displayed areas. SMO2000XP User Manual 140/218...
  • Page 141 : DC components in the signal may show a large amplitude near 0Hz. If your application does not require measurement of the DC component, it is recommended to set the coupling mode of the source channel to "AC". SMO2000XP User Manual 141/218...

  • Page 142: Formula Editor

    E. Keyboard area, which contains the basic arithmetic operators addition (+), subtraction (-), multiplication (*), division (/) F. Confirm button. After the formula is input, press the button to apply it The following is an example of F1 = (C1 + C1) * C2 through the formula editor SMO2000XP User Manual 142/218...

  • Page 143: Reference

    A. Select location reference (REFA/REFB/REFC/REFD) B. Select the source (C1~C4 and MATH) C. Enable/disable Display of the reference waveform D. Set the label text of the reference trace. E. Save the specified waveform in specified location in SMO2000XP User Manual 143/218...
  • Page 144 Set the vertical position of the reference waveform by the offset knob shared by Decode, Digital, Math, and Ref on the front panel, and set the vertical scale of the reference waveform by the scale knob. SMO2000XP User Manual 144/218...

  • Page 145: Search

    Scientific Search The SMO2000XP can search for the specified events in a frame. The location of the qualifying events are indicated by white triangle indicators along the top of the display. In YT mode or Roll mode with the acquisition stopped, up to 1000 events are supported. In Roll mode with acquisition set to run, the number of search events is unlimited.
  • Page 146 Scientific Press the Search button on the front panel or touch the menu Analysis>Search to recall the search dialog box and turn on it. SMO2000XP User Manual 146/218...
  • Page 147 Scientific Setup Menu Select and set the search type in the Setup Menu. The SMO2000XP provides five search conditions: Edge, Slope, Pulse, Interval and Runt. Search Type Description Edge Slope: Rising, Falling, Either Slope Slope: Rising, Falling Limit Range setting is available...

  • Page 148: Navigate

    Scientific Navigate Press the Navigate button on the front panel or touch the menu Analysis>Navigate to recall the navigate dialog box. The SMO2000XP provides three navigate types: Search Event, Time and History Frame. Navigate by Time The oscilloscope automatically adjusts the trigger delay according to the direction set by the user.
  • Page 149 Touch the Event List Switch area to turn on or off the list. The list contains time labels for each event. Touching a row in the list automatically jumps to the corresponding event. This operation is equivalent to specifying an event in the Event Num area. SMO2000XP User Manual 149/218...
  • Page 150 Search and Navigate: The input signal is a 2 V periodic square wave, in which every 10ms there is a dwarf pulse with a height of 1/3 of the normal amplitude: SMO2000XP User Manual 150/218...
  • Page 151 Set the horizontal scale to 10 ms/div, then 9 markers with ~10 ms interval are shown on the display, indicating that a total of 9 dwarf pulses were found in the full screen of 100 ms time range: SMO2000XP User Manual 151/218...
  • Page 152 Press the Run/Stop button on the front panel to stop the acquisition, and then follow the steps Navigate >Type to select “Search Event”. The following figure shows the first dwarf pulse. In this example, the list is enabled and time labels of each event are shown in the list. SMO2000XP User Manual 152/218...

  • Page 153: Mask Test

    A. Mask area in green. Any dot violating the rule is highlighted in red, instead of the normal waveform color. B. Pass/Fail information display area, including the count of the passing frames, failed frames, total frames, and the fail rate. C. Dialog box SMO2000XP User Manual 153/218...
  • Page 154 Turn on/off “Capture on Fail”. When it is "on", the failure waveform is detected, the screenshot with failure frame will be stored in the external U disk. J. Turn on/off the sound prompt when a failure occurs. SMO2000XP User Manual 154/218...

  • Page 155: Mask Setup

    C. Create the mask based on settings in D. Specify the location of the mask to be saved E. Select number of internal locations, optional 1~4 F. Save the mask to the location specified at G. Return to previous menu SMO2000XP User Manual 155/218...

  • Page 156: Mask Editor

    A. Menu bar B. Coordinate of the latest touched point on the display C. Mask edit area, which is equivalent to the grid area. In this example, a hexagon has been created as a part of the mask SMO2000XP User Manual 156/218...
  • Page 157 Draw Undo • Redo • Insert Point: Inserts a vertex on a selected side • Edit Polygon: Edits a polygon. Vertices, sides and the polygon are all editable • objects Delete Polygon: Deletes selected polygon • SMO2000XP User Manual 157/218...

  • Page 158: Pass/Fail Rule

    Touch Operation to start/stop the test. Stopping a test in progress and restart the test will clear the count of the passing frames, failed frames, total frames, and the fail rate. Pressing the Clear Sweeps button on the front panel can also clear the count information. SMO2000XP User Manual 158/218...

  • Page 159: Counter

    F. Clear and restart the statistics. Pressing the Clear Sweeps button on the front panel has an equivalent effect Mode See section “Mode” for details. Statistics When statistics are enabled, the counter will increment the data and display the statistics results on the screen. SMO2000XP User Manual 159/218...

  • Page 160: Mode

    When the mode is set to totalizer, the edge of the counting source needs to be set. When the counting gate is turned on, the counter can count only when the gate-source meets the specified conditions. Touch Gate Setting to recall the gate setting dialog box: SMO2000XP User Manual 160/218...
  • Page 161 D. When the gate type is level, set the polarity (Positive or Negative) of the gate-source. When the gate type is edge, set the slope (Rising or Falling edge) of the gate source. E. Set the gate level F. Return to previous menu SMO2000XP User Manual 161/218...

  • Page 162: Power Analysis

    Power Analysis 23.1 Overview The SMO2000XP supports a power analysis function. Power analysis can help users quickly and easily analyze and debug switching power supply designs. It automatically calculates Power Quality, Current Harmonics, Inrush Current, Switching Loss, Slew Rate, Modulation, Turn On/Turn Off, Transient Response, PSRR, Power Efficiency, Output Ripple, etc.
  • Page 163 Voltage Crest -- Voltage parameters of the power input including voltage crest, voltage effective value, and voltage crest factor. Current Crest -- Current parameters of the power input including current crest, current effective value, and current crest factor. SMO2000XP User Manual 163/218...

  • Page 164: Current Harmonics

    Current harmonics is used to analyze the input current harmonics. An FFT of the selected channel is performed to get the harmonic components. The signal settings and connection guide are the same as the power quality test. SMO2000XP User Manual 164/218...
  • Page 165 The rows in the table or the bars in the bar chart are rendered in different colors based on the pass / fail state. When the value is greater than 85% of the limit but less than 100% of the limit, it is defined as a critical state. SMO2000XP User Manual 165/218...

  • Page 166: Inrush Current

    A large current far greater than the stable current may flow through at the moment of switching on a power supply. The large current is called inrush current. The current waveform when switching on is shown in the figure below: SMO2000XP User Manual 166/218...

  • Page 167: Switching Loss

    (for example, a different probe, different oscilloscope channel, etc.) or when the ambient temperature changes. The deskew procedures by using the DF2001A deskew fixture is as followed. SMO2000XP User Manual 167/218...
  • Page 168 J4: earth terminal a. Connect D+ and D- of the high-voltage differential probe to J7 and J6 b. Connect the current probe to the loop with the direction of the arrow indicating the direction of the current flow SMO2000XP User Manual 168/218...
  • Page 169 Auto Deskew to perform the calibration. When the process completes, a message will pop up indicating whether the deskew operation was successful or not. Before deskew calibration After deskew calibration Configuration Touch Config to recall configuration dialog box: SMO2000XP User Manual 169/218...
  • Page 170 Touch Signal>Connection Guide to recall the connection guide of switching loss, as shown in the figure below. Please follow the instructions in this figure for connection. Touch the icon on the top right of the guide to close. SMO2000XP User Manual 170/218...

  • Page 171: Slew Rate

    23.7 Modulation Modulation analysis measures the control pulse signal of the switching device (MOSFET) and observes the pulse width, duty, period, frequency and other trends of the control pulse signal in response to different events. SMO2000XP User Manual 171/218...

  • Page 172: Output Ripple

    Turn on analysis determines the time taken for the power supply to reach 90% of its steady- state output. Turn off analysis determines the time taken for the power supply to fall to 10% of its maximum output voltage. Signal Settings Touch Signal to recall signal settings dialog box: SMO2000XP User Manual 172/218...
  • Page 173 T1 = When the input voltage finally falls to a certain percentage (usually 10%) of its maximum amplitude T2 = When the output DC voltage finally falls to a certain percentage (usually 10%) of its maximum amplitude SMO2000XP User Manual 173/218...

  • Page 174: Transient Response

    E. Set the overshoot percentage of output voltage, which can be used to determine the stable band value of transient response and adjust the vertical scale of the oscilloscope F. View the connection guide G. Return to previous menu SMO2000XP User Manual 174/218...

  • Page 175: Psrr

    -60 dB. The PSRR test is generally acceptable for sampling the overall PSRR behavior of the power supply under test. The configuration of PSRR is the same as that of the bode plot, see the chapter " Bode Plot" for details. SMO2000XP User Manual 175/218...

  • Page 176: Power Efficiency

    Touch Signal>Connection Guide to recall the connection guide of power efficiency, as shown in the figure below. Please follow the instructions in this figure for connection. Touch the icon on the top right of the guide to close. SMO2000XP User Manual 176/218...

  • Page 177: Bode Plot

    At this time, either the built-in waveform generator or one of a SCIENTIFIC SMG series arbitrary function generators are supported. During the sweep, the oscilloscope configures the generator output frequency and amplitude and then compares the input signal to the output of the DUT.

  • Page 178: Configuration

    When selecting LAN, it needs to Set IP and Save it. Touch Test to confirm whether the arbitrary waveform generator is connected correctly. 24.2.2 Sweep Touch Sweep Type to select the sweep type. There are two types: Simple and variable level. SMO2000XP User Manual 178/218...
  • Page 179 E. Set the offset of the sweep signal F. Set the signal amplitude unit. When it is set to dB, reference level and load need to be set G. Variable level signal display area H. Touch Edit to turn on the profile editor SMO2000XP User Manual 179/218...
  • Page 180 Touch the cell in the table area to set the frequency and amplitude of the corresponding node. Touch to activate the cell, adjust the value through the universal knob, or touch the cell again to call up the virtual keypad. SMO2000XP User Manual 180/218...

  • Page 181: Display

    B. Set the reference level, the max value of the phase coordinate axis C. Set the phase unit (Degree or Rad) D. Auto-Set. According to the output signal phase curve, the oscilloscope automatically sets the scale and reference level E. Return to previous menu SMO2000XP User Manual 181/218...

  • Page 182: Data Analysis

    Scientific Cursors SMO2000XP can use the cursor to measure the bode plot curve. The cursor of the bode plot is similar to the ordinary cursor, see the chapter "Cursors" for details. Touch Display>Cursors to recall the cursor setting dialog box.
  • Page 183 C. Set the data source D. Save/Recall the data. Saving and recalling bode plot data (*.csv) is similar to the operation of setup files, see the chapter "Save/Recall" for details E. Return to previous menu SMO2000XP User Manual 183/218...
  • Page 184 In the figure above, "UF" is activated. D. Clear all measurements E. Clear the current measurement F. Close the measurement configuration window For example, to add UF measurements for C2 and GM measurements for C3, follow the steps below: Measure>Position>Source>UF Measure>Position>Source>GM SMO2000XP User Manual 184/218...

  • Page 185: Display

    F. Select the grid type (M1, M2 and M3) G. Set the trace intensity (0~100%) H. Set the Backlight (0~100%) Set the graticule brightness (0~100%) J. Set the LED light (30~100%) SMO2000XP User Manual 185/218...
  • Page 186 Vectors: The samples are connected by lines (i.e. interpolated) and displayed. The • interpolation methods include linear interpolation and sin(x)/x interpolation. See the section of " Acquisition Setup" for details of interpolation. Dots: Displays the raw samples directly. • Vector Display Dot Display SMO2000XP User Manual 186/218...
  • Page 187 The smaller the probability, the colder the color temperature of that pixel. The picture below shows the change of color from cold to warm. Color grade On Color grade Off SMO2000XP User Manual 187/218...
  • Page 188 New acquisitions are shown in their normal color with normal intensity. In combination with SMO2000XP's high waveform update rate and persist function, in some cases anomalies in the waveform can be found in a short time without complex trigger settings to improve test efficiency.
  • Page 189 Scientific M1 Mode M2 Mode SMO2000XP User Manual 189/218...
  • Page 190 Scientific M3 Mode SMO2000XP User Manual 190/218...

  • Page 191: Arbitrary Waveform Generator

    Scientific Arbitrary Waveform Generator 26.1 Overview The SMO2000XP supports a built-in arbitrary waveform/function generation when activated using option SMO2000XP-FG. The AWG functions include: 6 basic waveforms: Sine, Square, Ramp, Pulse, Noise, and DC • 45 built-in and 2 custom arbitrary waveforms •...

  • Page 192: Wave Type

    Common, Math, Engine, Window, and Trigo. Stored waveforms are located in the Stored menu. Users can edit arbitrary waveforms using SCIENTIFIC EasyWave PC software, and send the stored waveforms to the instrument through the remote interface, or import the stored waveforms through a U disk.

  • Page 193: Other Setting

    2. Set the vertical scale of CH2 to a small scale such as 1mV/div. Turn on measure and set the parameter to Mean of CH2. 3. Press Manual and rotate the universal knob to adjust the compensation value, until the mean value of CH2 is within ±1mV, and then press Save. SMO2000XP User Manual 193/218...

  • Page 194: Save/Recall

    Scientific Save/Recall The SMO2000XP supports saving setups, reference waveforms, screenshots, and waveform data files to internal storage or external USB storage devices (e.g. U disk). Saved setups and reference waveforms can be recalled as needed. 27.1 Save Type SMO2000XP supports save types: Setup, Reference, Image (*.bmp/*.jpg/*.png), Waveform Data (binary/csv/matlab).
  • Page 195 × √ CSV Data × × √ Matlab Data × × *Save/Recall only supports saving Reference to external memory. However, the reference waveform itself can be saved to internal memory. See the chapter "Reference" for details. SMO2000XP User Manual 195/218...

  • Page 196: Internal Save And Recall

    Follow the steps below: A. Select Mode as "Recall" B. Select Type as "Setup" C. Select Recall Path as "Internal" D. Select No. of internal storage locations, 1~10 optional E. Touch Recall to perform the recall operation SMO2000XP User Manual 196/218...

  • Page 197: External Save And Recall

    B. Touch the File Manager and open the file manager. If the U disk is not properly connected, the system will prompt "USB flash drive not detected!" 27.3.1 File manager The SMO2000XP's file manager has similar style and operation with the Windows operating systems. A. Left window B. Right window C.
  • Page 198 Save As: Save as the filename specified by the user. Visible when the mode is "Save" • Save: Save as system default file name. Visible when the mode is "Save" • Recall: Recall the specified file. Visible when the mode is "Recall" • SMO2000XP User Manual 198/218...

  • Page 199: External Save And Recall Instance

    Touch File Manager to open the file manager • Third, select the \Udisk0\sds2kxplus\ directory in the file manager: Fourth, touch Save As, click the pop-up text box to recall the virtual keyboard and input the file name, and then touch OK: SMO2000XP User Manual 199/218...
  • Page 200 First, insert the U disk with the file "uart_decode.xml" stored folder “\sds2kxplus\”. Second, set the parameters of the Recall operation: Select Mode as "Recall" • Select Type as "Setup" • Select Recall Path as "External" • Touch File Manager to open the file manager • SMO2000XP User Manual 200/218...
  • Page 201 Scientific Third, select the \Udisk0\sds2kxplus\ directory in the file manager, and then select the setup file "uart_decode.xml" Fourth, touch Recall and wait for the oscilloscope to finish recalling the setup. SMO2000XP User Manual 201/218...

  • Page 202: System Setting

    The firmware is upgradeable through external USB memory devices/U disk. Make sure the U disk contains the correct upgrade file (*.ads) is connected to the oscilloscope before performing the upgrade. Operate Utility>System Setting>Upgrade to recall the upgrade dialog box: SMO2000XP User Manual 202/218...
  • Page 203 (*.ads) to the local memory and parses it. If the parse succeeds, it will show the following dialog. Users can choose Cancel to cancel the upgrade or Reboot to restart the oscilloscope immediately and continue the upgrade. Otherwise, the oscilloscope will restart automatically to finish the upgrade. SMO2000XP User Manual 203/218...

  • Page 204: Language

    Warning: Do Not turn off the power during upgrading. Otherwise, the oscilloscope may not boot up anymore! 28.4 Language The SMO2000XP supports multiple languages, including: Simplified Chinese, Traditional Chinese, English, French, Japanese, German, Spanish, Russian, Italian, Portuguese, and so Operate Utility>System Setting>Language, and select the language in the list.

  • Page 205: I/O Setting

    5900 to 5999. 28.7 Date /Time The SMO2000XP has an RTC clock, which helps to record absolute time information for screenshots, history frames and so on. Operate Utility>System Setting> Date/Time to open the Date/Time dialog box: Touch the text box of Hour, Minute, Second, Day, Month and Year to edit these fields.

  • Page 206: Install Options

    Scientific 28.8 Install Options The SMO2000XP provides a few options to enhance its functionality. Contact your local SCIENTIFIC sales representative or SCIENTIFIC technical support to get the corresponding option key. Perform the following steps to install the option: Utility>Options A. Option information display area. When the option is not activated, the license type is displayed as "Temporary"...
  • Page 207 Take Horizontal Ref as an example to demonstrate the scaling effect of different settings: Timebase = 10 ns/div, Horizontal Delay = -20 ns = -2 div SMO2000XP User Manual 207/218...
  • Page 208 Fixed position, timebase is changed to 5 ns/div, the grid number of delay (-2 div) remains fixed, while the horizontal delay changes to -10 ns Fixed delay, timebase is changed to 5 ns/div, the horizontal delay value remains fixed, while the grid number of delay changes to -4 div SMO2000XP User Manual 208/218...

  • Page 209: Perform Self-Test

    Press the "Run/Stop" button to exit the screen test mode. Keyboard Test The keyboard test is used to check whether the oscilloscope front panel buttons or knobs are responsive or sensitive. Perform Utility>Do Self-Test>Keyboard Test to recall the following interface: SMO2000XP User Manual 209/218...
  • Page 210 Press the "Run/Stop" button three times to exit the keyboard test. LED Test The LED test is used to check whether the button backlight on the front panel is functional. Operate Utility>Do Self-Test >LED Test to recall the following interface: SMO2000XP User Manual 210/218...

  • Page 211: Do Self Cal

    2. Operate Utility>Do Self Cal, and it will pop up the following dialog. Select Continue to start the self-cal program. 3. The oscilloscope will not respond to any operation until the self-cal is finished. After the self-cal is completed, touch the screen or press any button to exit. SMO2000XP User Manual 211/218...

  • Page 212: Default

    Pressing the Default button on the front panel has an equivalent effect. 28.13 Power on Line Operate Utility>Power on Line to set. See the chapter "Power on" for details. 28.14 Debug This function is used for the internal development of SCIENTIFIC engineering and has no user purpose. SMO2000XP User Manual 212/218...

  • Page 213: Remote Control

    Scientific Remote Control The SMO2000XP provides a LAN port and a USB Device port which can be used for remote control in multiple ways. 29.1 Web Browser A built-in web server provides an approach to control the oscilloscope by a web browser. It doesn’t require any additional software to be installed on the controlling computer.

  • Page 214: Other Connectivity

    E. Click here to perform a firmware upgrade 29.2 Other Connectivity The SMO2000XP also supports remote control of the instrument by sending SCPI commands via NI-VISA, Telnet, or Socket. For more information, refer to the programming guide of this product.

  • Page 215: Troubleshooting

    2) Check whether the power switch is really on. 3) Check whether the fuse is burned out. If the fuse needs to be changed, please contact SCIENTIFIC timely and return the instrument to the factory for replacement by the maintenance personnel authorized by SCIENTIFIC.
  • Page 216 4) Make sure that the U disk system (USB memory stick) format is FAT32. 5) Restart the instrument and then insert the USB storage device to check it. 6) If the USB storage device still cannot be used normally, please contact SCIENTIFIC. SMO2000XP User Manual...

  • Page 217: Service & Maintenance

    3. Dispatch the instrument (only on the receipt of our advice) securely packed in original packing duly insured and freight paid along with accessories and a copy of the faults details noticed at our Service Center listed on last page of this manual, nearest to you. SMO2000XP User Manual 217/218...

  • Page 218: Warranty Conditions

    Scientific warrants all its Instruments to be free from defects in material and workmanship when used under normal operating conditions in accordance with the instructions given in the manual for a period of 12 (Twelve) months from date of purchase from Scientific or its authorized dealers.

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