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Trigger System Checks
Check Accuracy (Time) for
Pulse-Glitch or
Pulse-Width Triggering
TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
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 , precision coaxial cable (Item 5)
Prerequisites
See page 1–15
1. Install the test hookup and preset the instrument controls:
a. Initialize the instrument:
Press save/recall SETUP.
Press the main-menu button Recall Factory Setup.
Press the side-menu button OK Confirm Factory Init.
b. Modify the default setup:
Set the horizontal SCALE to 10 ns on the TDS 600B and 12.5 ns on
the TDS 500D/700D.
Press VERTICAL MENU; then press the main-menu button
Coupling. Now press the side-menu button
50
setting. (This step is not required on the TDS 794D.)
c. Hook up the test-signal source: Connect the output of the sine wave
generator (Item 14) to CH 1.
Do this through a 50
attenuator. See Figure 1–14. The 10X attenuator is optional if the SG503
is used.
precision coaxial cable, followed by a 10X
Performance Tests
to toggle it to the
1–49
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