Performance Tests
4–72 TDS 684A, TDS 744A, & TDS 784A Service Manual
Digitizing Oscilloscope
50 Cable
Signal Generator
Output
Figure 4–30: 60 Hz Rejection Test Hookup
HAdjust the SG 502 for three vertical divisions of 60 Hz signal. See
Figure 4–31. The signal will not be triggered. That is, it will run
free.
Figure 4–31: 60 Hz Rejection Test Setup Signal
c. Check 60 Hz rejection.
HUse the keypad to set the horizontal scale (/div) to 50 ms (press 50,
SHIFT, m, then ENTER).
HReconnect the output of the signal generator (SG 502). Connect the
composite signal connector of the PAL signal source (labeled