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Manual Tektronix TDS540A

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  • Tektronix TDS540A - page 1

    TDS 520A, 524A, 540A, & 544A Digitizing Oscilloscopes 070-8712-01 Performance V erification Please check for change information at the rear of this manual. First Printing: July 1993. ...

  • Tektronix TDS540A - page 2

    Instrument Serial Numbers Each instrument manufactured by T ektronix has a serial number on a panel insert or tag, or stamped on the chassis. The first letter in the serial number designates the country of manufacture. The last five digits of the serial number are assigned sequentially and are unique to each instrument. Those manufactured in the Un ...

  • Tektronix TDS540A - page 3

    W ARRANTY T ektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) years from the date of shipment. If any such product proves defective during this warranty period, T ektronix, at its option, either will repair the defective product without charge for parts and labor , or will provide a ...

  • Tektronix TDS540A - page 4

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  • Tektronix TDS540A - page 5

    TDS 520A, 524A, 540A, & 544A Performance V erification W elcome This is the Performance V erification for the TDS 520A, 524A, 540A, and 544A Oscilloscope. It contains procedures suitable for determining if the instrument functions, was adjusted properly , and meets the performance characteristics as warranted. Also contained in this document ar ...

  • Tektronix TDS540A - page 6

    Welcome Welcome ...

  • Tektronix TDS540A - page 7

    TDS 520A, 524A, 540A, & 544A Performance V erification T able of Contents Safety Summary v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Performance V erification Procedures Brief Procedures 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Instruction ...

  • Tektronix TDS540A - page 8

    T able of Contents Contents Specifications Specifications 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . General Product Description 2-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . User Interface 2-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

  • Tektronix TDS540A - page 9

    TDS 620A, 640A, & 644A Performance V erification Safety Summary Please take a moment to review these safety precautions. They are provided for your protection and to prevent damage to the digitizing oscilloscope. This safety information applies to all operators and service personnel. These two terms appear in manuals: statements identify condit ...

  • Tektronix TDS540A - page 10

    Safety Summary Safety Observe all of these precautions to ensure your personal safety and to pre- vent damage to either the digitizing oscilloscope or equipment connected to it. Power Source The digitizing oscilloscope is intended to operate from a power source that will not apply more than 250 V RMS between the supply conductors or between either ...

  • Tektronix TDS540A - page 11

    Performance V erification Procedures ...

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  • Tektronix TDS540A - page 13

    TDS 520A, 524A, 540A, & 544A Performance V erification Brief Procedures The Self T ests use internal routines to confirm basic functionality and proper adjustment. No test equipment is required to do these test procedures. The Functional T ests utilize the probe-compensation output at the front panel as a test-signal source for further verifyin ...

  • Tektronix TDS540A - page 14

    Brief Procedures Performance V erification Procedures Throughout these procedures the following conventions apply: Each test procedure uses the following general format: T itle of T est Equipment Required Prerequisites Procedure Each procedure consists of as many steps, substeps, and subparts as required to do the test. Steps, substeps, and subpart ...

  • Tektronix TDS540A - page 15

    Brief Procedures TDS 520A, 524A, 540A, & 544A Performance V erification Refer to Figure 1-1: “Main menu” refers to the menu that labels the seven menu buttons under the display; “side menu” refers to the menu that labels the five buttons to the right of the display . “Pop-up menu” refers to a menu that pops up when a main-menu butto ...

  • Tektronix TDS540A - page 16

    Brief Procedures Performance V erification Procedures This procedure uses internal routines to verify that this oscilloscope functions and was adjusted properly . No test equipment or hookups are required. V erify Internal Adjustment, Self Compensation, and Diagnostics Equipment Required: None. Prerequisites: Power on the Digitizing Oscilloscope an ...

  • Tektronix TDS540A - page 17

    Brief Procedures TDS 520A, 524A, 540A, & 544A Performance V erification First, the CAL menu is displayed. Second, the adjustment sections are verified. Third, a signal path compensation is run and is verified. Figure 1-2: V erifying Adjustments and Signal-Path Compensation When doing steps f and g, do not turn off the oscilloscope until signal- ...

  • Tektronix TDS540A - page 18

    Brief Procedures Performance V erification Procedures The purpose of these procedures is to confirm that this oscilloscope functions properly . The only equipment required is one of the standard-accessory probes and, to check the file system, a 3.5 inch. 720 K or 1.44 Mbyte floppy disk. These procedures verify functions; that is, they verify that o ...

  • Tektronix TDS540A - page 19

    Brief Procedures TDS 520A, 524A, 540A, & 544A Performance V erification b. Initialize the oscilloscope: Press save/recall SETUP . Press the main-menu button Recall Factory Setup . Press the side-menu button OK Confirm Factory Init . 2. V erify that all input channels operate: Do the following substeps — test CH 1 first, skipping substep a sin ...

  • Tektronix TDS540A - page 20

    Brief Procedures Performance V erification Procedures Hi Res mode displays an actively acquiring waveform on-screen with the noise that was present in Sample mode reduced. Envelope mode displays an actively acquiring waveform on- screen with the noise displayed. A verage mode displays an actively acquiring waveform on- screen with the noise reduced ...

  • Tektronix TDS540A - page 21

    Brief Procedures TDS 520A, 524A, 540A, & 544A Performance V erification e. T est all channels: Repeat substeps a through d to verify AUX 2. 4. Remove the test hookup: Disconnect the probe from the channel input and the probe-compensation terminals. V erify the T ime Base Equipment Required: One P6139A probe. Prerequisites: None. Procedure: 1. I ...

  • Tektronix TDS540A - page 22

    Brief Procedures Performance V erification Procedures V erify the Main and Delayed T rigger Systems Equipment Required: One P6139A probe. Prerequisites: None. Procedure: 1. Install the test hookup and preset the oscilloscope controls: a. Hook up the signal source: Install the probe on CH 1 . Connect the probe tip to PROBE COMPENSA TION SIGNAL on th ...

  • Tektronix TDS540A - page 23

    Brief Procedures TDS 520A, 524A, 540A, & 544A Performance V erification b. Select the delayed trigger level menu: Press SHIFT ; then press DELA YED TRIG . Press the main-menu button Level ; then press the side-menu button Level . c. Confirm that the following statements are tru e: The trigger-level readout for the delayed trigger system changes ...

  • Tektronix TDS540A - page 24

    Brief Procedures Performance V erification Procedures V erify the File System (Optional on TDS 520A and 540A) Equipment Required: One P6139A probe and one 720 K or 1.44 Mbyte, 3.5 inch DOS compatible disk. Y ou can use a disk of your own or you can use the Programming Examples Software 3.5 inch disk (T ektronix part number 063–1 134–00) contain ...

  • Tektronix TDS540A - page 25

    Brief Procedures TDS 520A, 524A, 540A, & 544A Performance V erification Press the side-menu button Save T o Selected File . 2. V erify the file system works: Press AUTOSET to restore the 500 s time base and the five cycle waveform. Press the main-menu button Recall Saved Setup ; then press the side-menu button From File . T urn the general purp ...

  • Tektronix TDS540A - page 26

    Brief Procedures Performance V erification Procedures ...

  • Tektronix TDS540A - page 27

    TDS 520A, 524A, 540A, & 544A Performance V erification Performance T ests This subsection contains a collection of procedures for checking that TDS 520A, 524A, 540A, and 544A Digitizing Oscilloscopes perform as warranted. Since the procedures cover models with both two full-featured channels (TDS 520A and 524A) and four full-featured models (TD ...

  • Tektronix TDS540A - page 28

    Performance T ests Performance V erification Procedures T able 1-1: T est Equipment Item Number and Description Minimum Requirements Example Purpose 1 Attenuator ,10X (three required) Ratio: 10X; impedance 50 ; connectors: female BNC input, male BNC output T ektronix part number 01 1–0059–02 Signal Attenuation 2 Attenuator , 5X Ratio: 5X; imped ...

  • Tektronix TDS540A - page 29

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification T able 1-1: T est Equipment (Cont.) Item Number and Description Purpose Example Minimum Requirements 14 Probe, 10X, in- cluded with this instrument A P6139A probe T ektronix number P6139A Signal Interconnec- tion 15 Adapter , BNC female to Clip Leads BNC female to Clip Le ...

  • Tektronix TDS540A - page 30

    Performance T ests Performance V erification Procedures ...

  • Tektronix TDS540A - page 31

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification T est Record Photocopy the next four pages and use them to record the performance test results for your instrument. TDS 500A T est Record Instrument Serial Number: Certificate Number: T emperature: RH %: Date of Calibration: T echnician: Performance T est Minimum Incoming ...

  • Tektronix TDS540A - page 32

    Performance T ests Performance V erification Procedures TDS 500A T est Record (Cont.) Instrument Serial Number: Certificate Number: T emperature: RH %: Date of Calibration: T echnician: Performance T est Maximum Outgoing Incoming Minimum CH2 200 mV V ert scale setting, –5 Div position setting + 1 1.525 V __________ __________ + 1 1.675 V CH2 200 ...

  • Tektronix TDS540A - page 33

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification TDS 500A T est Record (Cont.) Instrument Serial Number: Certificate Number: T emperature: RH %: Date of Calibration: T echnician: Performance T est Maximum Outgoing Incoming Minimum Analog Bandwidth CH1 100 mV 424 mV __________ __________ N/A CH2 100 mV 424 mV __________ ...

  • Tektronix TDS540A - page 34

    Performance T ests Performance V erification Procedures TDS 500A T est Record (Cont.) Instrument Serial Number: Certificate Number: T emperature: RH %: Date of Calibration: T echnician: Performance T est Maximum Outgoing Incoming Minimum Probe Compensator Output Signal Frequency (CH1 Freq.) 950 Hz __________ __________ 1050 Hz V oltage (difference) ...

  • Tektronix TDS540A - page 35

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification These procedures check those characteristics that relate to the signal-acqui- sition system and are listed as checked under Warranted Characteristics in Section 2, Specifications. Check Accuracy of Offset (Zero Setting) Equipment Required: None. Prerequisites: The oscillo ...

  • Tektronix TDS540A - page 36

    Performance T ests Performance V erification Procedures Follow these rules to match this procedure to the model of the oscillo- scope under test: Models TDS 540A, 544A Only —When using T able 1-2 to test CH 1—CH 4; ignore the columns for AUX 1 & AUX 2 settings and limits. Model TDS 520A, 524A Only —Use T able 1-2 to test input channels; u ...

  • Tektronix TDS540A - page 37

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Then read the offset relative to ground reference. Align the active cursor to the DC baseline (no input). Ignore the inactive cursor . Figure 1-4: Measurement of DC Offset Accuracy at Zero Setting Check DC Gain and V oltage Measurement Accuracy Performance of this procedu ...

  • Tektronix TDS540A - page 38

    Performance T ests Performance V erification Procedures Procedure: 1. Install the test hookup and preset the instrument controls (see Fig- ure 1-5): HI LO Output Sense DC Calibrator 50 Coaxial Cables Dual Banana to BNC Adapters BNC T Connector Figure 1-5: Initial T est Hookup a. Hook up the test-signal source: Set the output of a DC calibration gen ...

  • Tektronix TDS540A - page 39

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification REV JUL Y 93 Press the main-menu button Graticule ; then press the side-menu button Frame . 2. Confirm input channels are within limits for DC delta voltage accuracy: Do the following substeps — test CH 1 first, skipping substep a since CH 1 is already selected from ste ...

  • Tektronix TDS540A - page 40

    Performance T ests Performance V erification Procedures Third read the results of the DC measurement here. Second align the second cursor to the DC test level that you input. First align a cursor to the DC baseline (no input). Figure 1-6: Measurement of the DC Accuracy for Delta Measurements e. T est all channels: Repeat substeps a through d for al ...

  • Tektronix TDS540A - page 41

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification 4. Confirm input channels are within limits for DC accuracy at maximum offset and position: Do the following substeps — test CH 1 first, skipping substep a since CH 1 is already selected from step 3. a. Select an unchecked channel: Press W A VEFORM OFF to remove the cha ...

  • Tektronix TDS540A - page 42

    Performance T ests Performance V erification Procedures T able 1-4: DC Accuracy: AUX 1–AUX 2 Scale Setting Positio n Setting (Divs) Offset Setting Generator Setting Accuracy Limits 100 mV –5 +0.5 V +1.3 V +1.271 V to +1.329 V +5 –0.5 V –1.3 V –1.271 V to –1.329 V 1 V –5 +5 V +13 V +12.710 V to +13.290 V +5 –5 V –13 V –12.710 V t ...

  • Tektronix TDS540A - page 43

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Third, turn on the Measurement called mean and read the results here. Second, input a DC level equal to the offset plus 3 divisions. First set vertical and position offsets to maximum (no input). Note gnd ref indicator bounded on-screen for the offset baseline below scree ...

  • Tektronix TDS540A - page 44

    Performance T ests Performance V erification Procedures Check Analog Bandwidth Equipment Required: One high-frequency leveled sine wave generator and its leveling head (Item 1 1), plus two10X attenuators (Item 1). Prerequisites: See page 1-15. Procedure: 1. Install the test hookup and preset the instrument controls: a. Initialize the oscilloscope: ...

  • Tektronix TDS540A - page 45

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification 2. Confirm the input channels are within limits for analog bandwidth: Do the following substeps — test CH 1 first, skipping substeps a and b since CH 1 is already set up for testing from step 1. a. Select an unchecked channel: Press W A VEFORM OFF to remove the channel ...

  • Tektronix TDS540A - page 46

    Performance T ests Performance V erification Procedures e. Display the test signal: Do the following subparts to first display the reference signal and then the test signal. Press MEASURE ; then press the main-menu button Select Measrmnt for CHx . Now press the side menu button more until the menu label Pk-Pk appears in the side menu (its icon is s ...

  • Tektronix TDS540A - page 47

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification g. Check against limits: CHECK that the Pk-Pk readout on screen is within the limits listed in T able 1-5 for the current vertical scale setting . When finished checking, set the horizontal SCALE back to the 50 ns setting. Checking each channel’s bandwidth at all vertic ...

  • Tektronix TDS540A - page 48

    Performance T ests Performance V erification Procedures Check Delay Between Channels Equipment Required: One medium-frequency leveled sine-wave generator (Item 10), one precision, 50 coaxial cable (Item 4), one 50 terminator (Item 3), and a dual-input-coupler (Item 7). Prerequisites: See page 1-15. Procedure: DO NOT use the vertical position knob t ...

  • Tektronix TDS540A - page 49

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Connect the coupler to both CH 1 and CH 2 . 2. Confirm CH 1 through CH 4 (CH 2 for 520A and 524A) are within limits for channel delay: a. Set up the generator: Set the generator frequency to 250 MHz and the amplitude for about five divisions in CH 1. Hint: as you are adju ...

  • Tektronix TDS540A - page 50

    Performance T ests Performance V erification Procedures Read the measurement results at the : cursor readout, not the @: readout on screen. Fourth, read the results here. Second, identify the time reference points of those waveforms. First, display the live/reference waveforms for channels. Note their overlapping ground reference indicators. Third, ...

  • Tektronix TDS540A - page 51

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification These procedures check those characteristics that relate to the Main and Delayed time base system and are listed as checked under Warranted Char- acteristics in Section 2, Specifications. Check Accuracy for Long-T erm Sample Rate, Delay T ime, and Delta Time Measurements ...

  • Tektronix TDS540A - page 52

    Performance T ests Performance V erification Procedures Press TRIGGER MENU ; then press the main-menu button Mode & Holdoff . Now press the side-menu button Normal . Press SET LEVEL TO 50% . Press horizontal MENU . Press the main-menu button Record Length ; then press the side-menu button 1000 points in 20 divs . Press the main-menu button T ri ...

  • Tektronix TDS540A - page 53

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification c. Check long-term sample rate and delay time accuracies against limits: CHECK that the rising edge of the marker crosses the center horizontal graticule line at a point within center graticule. See Figure 1-13. d. Check delta-time accuracy against limits: Press the side- ...

  • Tektronix TDS540A - page 54

    Performance T ests Performance V erification Procedures These procedures check those characteristics that relate to the Main and Delayed trigger systems and are listed as checked under Warranted Charac- teristics in Section 2, Specifications. Check Accuracy (Time) for Pulse-Glitch or Pulse-Width T riggering Equipment Required: One medium-frequency ...

  • Tektronix TDS540A - page 55

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification 2. Confirm the trigger system is within time-accuracy limits for pulse-glitch or pulse-width triggering (Horizontal Scale 1 s) : a. Display the test signal: Set the output of the sine wave generator for a 100 MHz, five-division sine wave on screen. Press SET LEVEL TO 50% ...

  • Tektronix TDS540A - page 56

    Performance T ests Performance V erification Procedures First, the upper and lower limits are set so the test waveform triggers within limits. Second, a limit (here, the lower limit) is increased until triggering stops. Figure 1-15: Measurement of Time Accuracy for Pulse and Glitch T riggering 3. Confirm the trigger system is within time-accuracy l ...

  • Tektronix TDS540A - page 57

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Press the side-menu button Upper Limit ; then use the general purpose knob to slowly decrease the the Upper Limit readout until triggering is lost. CHECK that the Upper Limit readout is within 1 s to 3 s, inclusive. 4. Disconnect the hookup: Disconnect the cable from the ...

  • Tektronix TDS540A - page 58

    Performance T ests Performance V erification Procedures b. Initialize the oscilloscope: Press save/recall Setup . Press the main-menu button Recall Factory Setup . Press the side-menu button OK Confirm Factory Init . c. Select Delayed T riggerable: Press HORIZONT AL MENU . Press the main-menu button Time Base . Press the side-menu button Delayed T ...

  • Tektronix TDS540A - page 59

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification First, set vertical offset to maximum and vertical position to –3 divisions. Second, set input equal to the offset to return the DC level to the screen. Third, push SET LEVEL to 50% and check the results in the main menu under “Level.” Figure 1-17: Measurement of T ...

  • Tektronix TDS540A - page 60

    Performance T ests Performance V erification Procedures CHECK that the Level readout in the side menu is within 9.940 V to 10.060 V , inclusive. 4. Disconnect the hookup: a. First set the output of the DC calibration generator to 0 volts. b. Then disconnect the cable from the generator output at the input connector of CH 1 . Sensitivity , Edge T ri ...

  • Tektronix TDS540A - page 61

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification c. Hook up the test-signal source: Medium Frequency Sine Wave Generator Output 50 Coaxial Cables Figure 1-18: Initial T est Hookup—TDS 520A or 524A Only TDS 520A, 524A only: Connect, through a 50 precision coaxial cable, the signal output of a medium-frequency sine wave ...

  • Tektronix TDS540A - page 62

    Performance T ests Performance V erification Procedures Press the main-menu button High-Low Setup ; then press the side-menu button Min-Max . Press the main-menu button Select Measrmnt for Ch1 . Press the side-menu button –more– until Amplitude appears in the side menu (its icon is shown at the left). Press the side-menu button Amplitude . Pres ...

  • Tektronix TDS540A - page 63

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification First, set a signal with an amplitude at the minimum trigger sensitivity . Second, check for a stable trigger at both the positive and negative slope settings. Figure 1-20: Measurement of T rigger Sensitivity Leave the Main trigger system triggered on the positive slope o ...

  • Tektronix TDS540A - page 64

    Performance T ests Performance V erification Procedures 3. Confirm the AUX T rigger input: a. Display the test signal: Remove the 10X attenuator and reconnect the cable to CH 1 . Set the test signal amplitude for about 2.5 divisions on screen. Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is 250 mV . ...

  • Tektronix TDS540A - page 65

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Set the test signal amplitude for about five divisions on screen. Now fine adjust the generator output until the CH 1 Amplitude readout indicates the amplitude is 500 mV . (Readout may fluctu- ate around 500 mV .) Disconnect the leveling head at CH 1 and reconnect it to C ...

  • Tektronix TDS540A - page 66

    Performance T ests Performance V erification Procedures The procedure that follows checks those characteristics of the output signals that are listed as checked under Warranted Characteristics in Section 2, Specifications. The oscilloscope outputs these signals at its front and rear panels. Check Outputs — CH 3 and Main and Delayed T rigger (TDS ...

  • Tektronix TDS540A - page 67

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification d. Modify the initialized front-panel control settings: Set the horizontal SCALE to 200 s. Press SHIFT ; then ACQUIRE MENU . Press the main-menu button Mode . Then press the side-menu button Hi Res . 2. Confirm Main and Delayed T rigger outputs are within limits for logic ...

  • Tektronix TDS540A - page 68

    Performance T ests Performance V erification Procedures c. Check Main T rigger output against limits: CHECK that the Ch2 High readout is 2.5 volts and that the Ch2 Low readout is 700 mV . Press VERTICAL MENU ; then press the main-menu button Coupling . Now press the side-menu button to toggle it to the 50 setting. CHECK that the Ch2 High readout is ...

  • Tektronix TDS540A - page 69

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification b. Check against limits: CHECK that the readout Ch2 Pk-Pk is between 90 mV and 1 10 mV , inclusive. Press VERTICAL MENU ; then press the side-menu button to toggle to the 50 setting. Set vertical SCALE to 10 mV ; then press CLEAR MENU . CHECK that the readout Ch2 Pk-Pk is ...

  • Tektronix TDS540A - page 70

    Performance T ests Performance V erification Procedures Press the side-menu button OK Confirm Factory Init . c. Modify the initialized front-panel control settings: Set the vertical SCALE to 100 mV as required. Set the horizontal SCALE to 200 s. Press Set Level to 50% and use the VERTICAL POSITION knob to center the display on screen. Press SHIFT ; ...

  • Tektronix TDS540A - page 71

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification b. Check against limits: CHECK that the CH 1 Freq readout is within 950 Hz to 1.050 kHz, inclusive. 3. Confirm that the Probe Compensator signal is within limits for amplitude: a. Save the probe compensation signal in reference memory: Press SA VE/RECALL W A VEFORM ; then ...

  • Tektronix TDS540A - page 72

    Performance T ests Performance V erification Procedures Adjust the output of DC calibration generator until it precisely overlaps the top (upper) level of the stored probe compensation signal. (This value will be near 500 mV .) Record the setting of the DC generator . Adjust the output of DC calibration generator until it precisely overlaps the bas ...

  • Tektronix TDS540A - page 73

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Equipment Required: P AL signal source (Item 18), 60 Hz. sine wave gener- ator (Item 19), pulse generator (Item 20), 75 Cable (Item 21), 75 termina- tor (Item 22), 50 cable (Item 4), 50 terminator (Item 3). Check Video T rigger Prerequisites: See page 1-15. These prerequi ...

  • Tektronix TDS540A - page 74

    Performance T ests Performance V erification Procedures 3. Check Jitter vs. Signal Amplitude a. Setup equipment for Jitter T est (See Figure 1-27). Connect one of the rear panel composite outputs marked COMPST on the TSG121 through a 75 cable and a 75 terminator to the oscilloscope CH1 input. Press the P AL signal source 100% FIELD control (the fou ...

  • Tektronix TDS540A - page 75

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification CONFIRM that the TRIG’D LED is lit and the waveform is dis- played on screen. c. Press SHIFT ; then ACQUIRE MENU . d. Press the main-menu Mode . e. Select the side-menu A verage . It should be already set to 16. f. Press the main-menu Create Limit T est T emplate . g. P ...

  • Tektronix TDS540A - page 76

    Performance T ests Performance V erification Procedures STOP shows the test is complete Figure 1-29: Jitter T est When Completed w. Press the main-menu Limit T est Setup . x. T oggle the side-menu Ring Bell if Condition Met to OFF . y. T oggle the side-menu Limit T est to OFF . 4. Check T riggered Signal Range. Setup oscilloscope for T riggered Sig ...

  • Tektronix TDS540A - page 77

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification m. CONFIRM that the TRIG’D LED stays on and that the waveform on screen is stable. ie; does not move horizontally or vertically . Also, CONFIRM that the waveform on the screen has one positive pulse and a number of negative pulses (See Figure 1-30). Positive pulse Negat ...

  • Tektronix TDS540A - page 78

    Performance T ests Performance V erification Procedures Positive pulse Negative pulses Figure 1-31: T riggered Signal Range T est – 75 mV p. Disconnect all test equipment (TSG121) from the digitizing oscillo- scope. 5. Check 60 Hz Rejection. a. Setup oscilloscope for 60 Hz Rejection T est. Use the keypad to set the Ch1 Fine Scale to 282 mV (press ...

  • Tektronix TDS540A - page 79

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification 50 Cable Signal Generator SG 502 Figure 1-32: 60 Hz Rejection T est Hookup Adjust the SG 502 for three vertical divisions of 60 Hz signal (See Figure 1-33). The signal will not be triggered. That is, it will run free. Figure 1-33: 60 Hz Rejection T est Setup Signal c. Che ...

  • Tektronix TDS540A - page 80

    Performance T ests Performance V erification Procedures Press VERTICAL MENU . If needed, press the main-menu Fine Scale . Use the keypad to set fine scale to 500 mV (press 500 , SHIFT , m , then ENTER ). Connect another the P AL signal source’s composite signal con- nector (labelled COMPST on the TSG 121) through a 75 cable and a 75 terminator to ...

  • Tektronix TDS540A - page 81

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Figure 1-35: 60 Hz Rejection T est Result Disconnect all test equipment from the digitizing oscilloscope. 6. Check Line Count Accuracy . a. Setup oscilloscope for Line Count Accuracy T est. Press W A VEFORM OFF . Press CH1 . Press HORIZONT AL MENU . Press the main-menu Re ...

  • Tektronix TDS540A - page 82

    Performance T ests Performance V erification Procedures 75 Cable 75 T erminator P AL Signal Source TSG121 COMPST Figure 1-36: Line Count Accuracy T est Hookup Press the main-menu T rigger Position . Press the side-menu to Set to 50% . Press the main-menu Horiz Pos . Press the side-menu to Set to 50% . Use the HORIZONT AL POSITION knob to move the f ...

  • Tektronix TDS540A - page 83

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Press the side-menu V Bars . Using the General Purpose knob, place the left cursor directly over the trigger “T” icon. Press SELECT . T urn the General Purpose knob to adjust the right cursor for a cursor delta reading of 6.780us . Use the HORIZONT AL POSITION knob to ...

  • Tektronix TDS540A - page 84

    Performance T ests Performance V erification Procedures Press the side-menu Field Rate . Use the keypad to set the field rate to 60.05 Hz (press 60.05 , then ENTER ). Press the side-menu Lines . Use the keypad to set the field rate to 793 lines (press 793 , then ENTER ). Press the side-menu Fields . Use the keypad to set the number of fields to 1 ( ...

  • Tektronix TDS540A - page 85

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification c. Check Sync Duty Cycle Connect the pulse generator (PG502) through a 50 cable and a 50 terminator to the oscilloscope CH1 input (See Figure 1-39). 50 Cable Pulse Generator PG502 50 T erminator Figure 1-39: PG502 Setup for Sync Duty Cycle T est T urn the pulse generator ...

  • Tektronix TDS540A - page 86

    Performance T ests Performance V erification Procedures Figure 1-40: Sync Duty Cycle T est: One-Div Neg Pulse W aveform T urn the pulse generator PULSE DURA TION variable control to adjust the negative pulse so the oscilloscope CH1 – Width measurement displays 400ns +/–10 ns . T urn the HORIZONT AL SCALE knob to set the oscilloscope time base t ...

  • Tektronix TDS540A - page 87

    Performance T ests TDS 520A, 524A, 540A, & 544A Performance V erification Figure 1-41: Sync Duty Cycle T est: Critically Adjusted Pulse Press TRIGGER MENU . Press the main-menu T ype pop-up until you select V ideo . If the TRIG’D LED is not on, check that the CH1 – Width and CH1 Period measurements are adjusted correctly (see note above). C ...

  • Tektronix TDS540A - page 88

    Performance T ests Performance V erification Procedures Disconnect all test equipment (TSG 121) from the oscilloscope. Press save/recall SETUP , press the main-menu button Recall Factory Setup , and the side-menu OK Confirm Factory Init . ...

  • Tektronix TDS540A - page 89

    Specifications ...

  • Tektronix TDS540A - page 90

    ...

  • Tektronix TDS540A - page 91

    TDS 520A, 524A, 540A, & 544A Performance V erification Specifications This subsection begins with a general description of the traits of the TDS 520A, 524A, 540A and 544A Digitizing Oscilloscopes. Three subsections follow , one for each of three classes of traits: nominal traits, warranted char- acteristics, and typical characteristics . The T ...

  • Tektronix TDS540A - page 92

    Specifications Specifications Specialized display modes, such as variable persistence (with color coding on the TDS 524A and 544A), dot or vector mode, sin(x)/x or linear display filters, and, on the TDS 524A and 544A, user selectable color palettes. The “Fit to Screen” feature compresses the entire waveform record to fit on the screen. A compl ...

  • Tektronix TDS540A - page 93

    Specifications TDS 520A, 524A, 540A, & 544A Performance V erification General Purpose Knob Assign the general purpose knob to adjust a selected parameter function. More quickly change parameters by toggling the SHIFT button. Use the same method as for selecting a function, except the final side-menu selection assigns the general purpose knob to ...

  • Tektronix TDS540A - page 94

    Specifications Specifications There are three horizontal display modes: main only , main intensified, and delayed only . Y ou can select among various horizontal record length settings. A feature called “Fit to Screen” allows the user to view entire waveform records within the 10 division screen area. In other words, waveforms are compressed to ...

  • Tektronix TDS540A - page 95

    Specifications TDS 520A, 524A, 540A, & 544A Performance V erification The triggering system supports a varied set of features for triggering the signal-acquisition system. T rigger signals recognized include: Edge (main- and delayed-trigger systems): This familiar type of triggering is fully configurable for source, slope, coupling, mode (auto ...

  • Tektronix TDS540A - page 96

    Specifications Specifications Y ou can specify a mode and manner to acquire and process signals. Select equivalent-time sampling on repetitive signals or interpolation of points sampled on non-repetitive signals. Both can increase apparent sample rate on the waveform when maximum real-time rates are reached. The apparent sample rate can be increase ...

  • Tektronix TDS540A - page 97

    Specifications TDS 520A, 524A, 540A, & 544A Performance V erification Both H Bar and V Bar cursors can also be used to make absolute measure- ments; that is measurements relative to a defined level or event. For the H Bars, either cursor can be selected to read out its voltage with respect to any channels ground reference level. For the V Bars, ...

  • Tektronix TDS540A - page 98

    Specifications Specifications self-diagnostic features built into the Digitizing Oscilloscope to aid in fault detection and servicing are also accessible using commands sent from a GPIB controller . Another standard feature is hardcopy . This feature allows you to output waveforms and other on-screen information to a variety of graphic printers and ...

  • Tektronix TDS540A - page 99

    TDS 520A, 524A, 540A, & 544A Performance V erification Nominal T raits This subsection contains tables that list the electrical and mechanical nominal traits that describe the TDS 520A, 524A, 540A and 544A Digitizing Oscilloscopes. Nominal traits are described using simple statements of fact such as “Four , all identical” for the trait “I ...

  • Tektronix TDS540A - page 100

    Nominal T raits Specifications T able 2-3: Nominal T raits — Time Base System Name Description Range, Sample-Rate 1,3 TDS 540A, 544A Number of Channels On 1 2 3 or 4 Sample-Rate Range 5 Samples/s – 1 GSamples/s 5 Samples/s – 500 MSamples/s 5 Samples/s – 250 MSamples/s Range, Sample-Rate 1,3 TDS 520A, 524A Number of Channels On 1 2 Sample-Ra ...

  • Tektronix TDS540A - page 101

    Nominal T raits TDS 520A, 524A, 540A, & 544A Performance V erification T able 2-4: Nominal T raits — T riggering System Name Description Range, Delayed T rigger T ime Delay 16 ns to 250 s Range, Events Delay 2 to 10,000,000 Range (T ime) for Pulse-Glitch or Pulse- Width T riggering 2 ns to 1 s Ranges,T rigger Level or Threshold Source Any Cha ...

  • Tektronix TDS540A - page 102

    Nominal T raits Specifications T able 2-6: Nominal T raits — Interfaces, Output Ports, and Power Fuse Name Description Interface, GPIB GPIB interface complies with IEEE Std 488–1987 Interface, RS-232 RS-232 interface complies with EIA/TIA 574 (talk only) (optional, as option 13, on TDS 520A and 540A) Interface, Centronics Centronics interface c ...

  • Tektronix TDS540A - page 103

    Nominal T raits TDS 520A, 524A, 540A, & 544A Performance V erification T able 2-7: Nominal T raits — Mechanical Name Description Cooling Method Forced-air circulation with no air filter Construction Material Chassis parts constructed of aluminum alloy; front panel constructed of plastic laminate; circuit boards constructed of glass-laminate. ...

  • Tektronix TDS540A - page 104

    Nominal T raits Specifications ...

  • Tektronix TDS540A - page 105

    TDS 520A, 524A, 540A, & 544A Performance V erification W arranted Characteristics This subsection lists the electrical and environmental warranted characteristics that describe the TDS 520A, 524A, 540A and 544A Digitizing Oscilloscopes. W arranted characteristics are described in terms of quantifiable performance limits which are warranted. NOT ...

  • Tektronix TDS540A - page 106

    W arranted Characteristics Specifications T able 2-8: W arranted Characteristics — Signal Acquisition System (Cont.) Name Description Analog Bandwidth, DC-50 Coupled or DC-1 M Coupled V olts/Div 5 mV/div – 10 V/div 2 mV/div – 4.98 mV/div 1 mV/div – 1.99 mV/div Bandwidth 4 DC – 500 MHz DC – 350 MHz DC – 250 MHz Cross T alk (Channel Iso ...

  • Tektronix TDS540A - page 107

    W arranted Characteristics TDS 520A, 524A, 540A, & 544A Performance V erification T able 2-10: W arranted Characteristics — T riggering System Name Description Accuracy (Time) for Pulse-Glitch or Pulse-Width T riggering Time Range 2 ns to 1 s 1.02 s to 1 s Accuracy ns) setting) Sensitivity , Edge-T ype T rigger , DC Coupled 1 T rigger Source ...

  • Tektronix TDS540A - page 108

    W arranted Characteristics Specifications T able 2-1 1: W arranted Characteristics — Interfaces, Output Ports and Power Requirements Name Description Logic Levels, Main- and Delayed- T rigger Outputs Characteristic V out (HI) V out (LO) Limits 2.5 V open circuit; 1.0 V into a 50 load to ground 0.7 V into a load of 4 mA; 0.25 V into a 50 load to g ...

  • Tektronix TDS540A - page 109

    W arranted Characteristics TDS 520A, 524A, 540A, & 544A Performance V erification T able 2-12: W arranted Characteristics — Environmental, Safety , and Reliability Name Description Atmospherics T emperature with floppy disk (optional on TDS 520A and 540A): Operating: +4 C to +50 C; Non-operating: –22 C to +60 C T emperature without floppy d ...

  • Tektronix TDS540A - page 110

    W arranted Characteristics Specifications ...

  • Tektronix TDS540A - page 111

    TDS 520A, 524A, 540A, & 544A Performance V erification T ypical Characteristics The tables in this subsection list the typical characteristics that describe the TDS 520A, 524A, 540A and 544A Digitizing Oscilloscopes. T ypical characteristics are described in terms of typical or average performance. T ypical characteristics are not warranted. T ...

  • Tektronix TDS540A - page 112

    T ypical Characteristics Specifications T able 2-13: T ypical Characteristics — Signal Acquisition System (Cont.) Name Description Step Response Settling Errors TDS 540A and 544A, all channels, TDS 520A and 524A, CH1, CH2 only V olts/Div Setting Step Amplitude Settling Error (%) 3 1 mV/div–99.5 mV/div 100 mV/div –995 mV/div 1 V/div–10 V/div ...

  • Tektronix TDS540A - page 113

    T ypical Characteristics TDS 520A, 524A, 540A, & 544A Performance V erification T able 2-15: T ypical Characteristics — T riggering System Name Description Accuracy , T rigger Level or Thresh- old, DC Coupled T rigger Source Any Channel Auxiliary (TDS 540A & 544A only) Accuracy 2 Of fset) + 0.3 div volts/div setting + Offset Accuracy) mV) ...

  • Tektronix TDS540A - page 114

    T ypical Characteristics Specifications T able 2-15: T ypical Characteristics — T riggering System (Cont.) Name Description Sensitivities, Pulse-T ype T rigger Width and Glitch 6 1.0 division with a minimum slew rate of 25 div/ s at the trigger level or the threshold crossing. For <5 nsec pulse width or rearm time, 2 divisions are required. Se ...

Manufacturer Tektronix Category Water System

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