Performance Tests
TDS 500B, 600B and TDS 700A Service Manual
4–81
c. Check Sync Duty Cycle.
H Connect the pulse generator through a 50 W cable and a 50 W
terminator to the oscilloscope CH1 input. See Figure 4–38.
Pulse
Generator
Digitizing Oscilloscope
50 Cable
50
Terminator
Output
Figure 4–38: Setup for Sync Duty Cycle Test
H Turn the pulse generator OUTPUT (VOLTS) control until the signal
on the oscilloscope shows a one division negative going pulse. See
Figure 4–39.
NOTE. You may need to adjust the trigger level control to obtain a stable trigger.
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