Trigger System Checks - Tektronix TDS 500D Technical Reference

Trigger System Checks

Check Accuracy (Time) for
Pulse-Glitch or
Pulse-Width Triggering
TDS 500D, TDS 600C, TDS 700D & TDS 714L Performance Verification and Specifications
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H Press TRIGGER MENU. Press the main-menu button Source; then
press the side-menu button that corresponds to the channel selected.
H Move the test hookup to the channel you selected.
H (This substep is not required on the TDS694C or TDS794D.) Press
VERTICAL MENU. Press the main-menu button Coupling, then
press the side-menu W button to toggle it to the 50 W setting.
H Press RUN/STOP button to start the display.
H Repeat step d.
2. Disconnect all test equipment from the oscilloscope:
These procedures check those characteristics that relate to the Main and Delayed
trigger systems and are listed as checked in Specifications.
Equipment One sine wave generator (Item 14)
required
One 10X attenuator (Item 1)
One 50 W, precision coaxial cable (Item 5)
Prerequisites See page 1–17
1. Install the test hookup and preset the instrument controls:
a. Initialize the instrument:
H Press save/recall SETUP.
H Press the main-menu button Recall Factory Setup.
H Press the side-menu button OK Confirm Factory Init.
b. Modify the default setup:
H Set the horizontal SCALE to 10 ns on the TDS 600C and 12.5 ns on
the TDS 500D/700D/714L.
H Press VERTICAL MENU; then press the main-menu button
Coupling. Now press the side-menu button W to toggle it to the
50 W setting. (This step is not required on the TDS694C or
TDS794D.)
c. Hook up the test-signal source: Connect the output of the sine wave
generator (Item 14) to CH 1.
Performance Tests
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