Tektronix TDS 600B, TDS 500D, TDS 700D - page 100

Performance Tests
1–84 TDS 500D, TDS 600B & TDS 700D Performance Verification and Specifications
c. Check Sync Duty Cycle:
HConnect the pulse generator through a 50 W cable and a 50 W
terminator to the oscilloscope CH1 input. See Figure 1–38.
Pulse
Generator Oscilloscope
50  cable 50  terminator
Output
Figure 1–38: Setup for sync duty cycle test
HTurn the pulse generator OUTPUT (VOLTS) control until the signal
on the oscilloscope shows a one division negative-going pulse. See
Figure 1–39.
NOTE. You may need to adjust the trigger level control to obtain a stable trigger.