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Performance Tests
4–72
TDS 684A, TDS 744A, & TDS 784A Service Manual
Digitizing Oscilloscope
50 W Cable
Signal Generator
Output
Figure 4–30: 60 Hz Rejection Test Hookup
H Adjust 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.
H Use the keypad to set the horizontal scale (/div) to 50 ms (press 50,
SHIFT, m, then ENTER).
H Reconnect the output of the signal generator (SG 502). Connect the
composite signal connector of the PAL signal source (labeled