HP 8591C User Manual page 94

In-channel frequency
1. Select a channel, then press
response test
3. If Option 107 is installed, press VITS TEST to select a vertical interval
IN-CHAN FRCj RSP .
line sweep as a test signal. See Figure 8-16. This setup puts Trace A into
max hold with 2 markers and with Trace B active.
a. After Trace A achieves sufficient data, the markers can be placed on
the peak and the valley using the keys MARKER 1 and MARKER 2
positions of the 2 markers.
Hints
a. Press the m (HOLD1 key to clear the active area to make markers more visible if placed
there.
b. Try using line sync when the sweep signal is sweeping at a rate near the vertical sync rate. Press
TRIG, LINE.
test signal for testing.
a. The analyzer automatically defaults to line number 19. An appropriate
test signal may or may not be present at this line number. Test signals
can be GCR, FCC multiburst, NTC 7 combination multiburst, or sin x/x.
Refer to Figure 2-32, Figure 2-33, Figure 2-34, and Figure 2-35.
Making Channel Measurements
Main 1 of 3 Main 2 of 3
I -
Channel Measurements
2-51