HP 8591C User Manual

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Channel Measurements
Making Channel Measurements
5. Press Select Test Sig if you need to change the test signal selection.
a. Press FCC COMPOSIT to select the FCC composite test signal, or
NTC 7 CUMPOSIT to select the NTC 7 composite test signal. To assist
in test signal identification a small schematic diagram of the test signal
is displayed at the top of the screen.
b. Press Prev menu.
6. Press CONTINUE to perform the test.
The result of the measurement is displayed on the analyzer display. An
offset of 170 ns is added to the result so that it will agree with tests done
using a demodulator with 170 ns of delay. Modulators should be set
for 170 ns precorrection. FCC requires measurements relative to this
precorrection. The FCC tolerance is +/-170 ns.
7. Press MORE INFO to display chrominance to luminance response
information. See Figure 2-16
14:37:58 NOU 23, 1993
@ CHANNEL Ic) (3.10)
REF 6.903 m!J AT 10 dB
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CENTER 78.829 MHz
SPAN
8 Hz
YRES BW 30.3 kHz YUBW 3 MHz
WSWP 28 psec
MORE
INF( )
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MAIC
MEN1
RT
Figure 2-16. Chrominance to luminance, More Information
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HP 8591C Specifications

General

Brand	HP
Model	8591C
Category	Measuring Instruments
Language	English