HP 8902A Quick Reference Manual page 304

Model 8902A Operation
Modulation Measurements Contents
A M
AM
.......................................................................................................
3-161
0
How to measure AM depth.
0
How to optimize AM ALC response time vs. modulation rate.
0
How
to
turn ALC OK
0
How to verify AM calibration.
0
How to use the rear-panel AM OUTPUT to obtain demodulated AM.
AM ALC Response Time..
..............................................................................
.3-I65
AM Calibration
...........................................................................................
3- 167
AM Output
...............................................................................................
3- 173
FM
F M
........................................................................................................
3-177
0
How to measure FM deviation.
0
How t o verify FM calibration.
0
How to equalize pre-emphasized FM signals.
0
How to use the rear-panel FM OUTPUT
to
obtain demodulated FM.
0
How to set
up
the instrument to output demodulated squelch-tone bursts.
FM Calibration
...........................................................................................
3- 18
1
FM De-Emphasis
.........................................................................................
3-1 87
.............................................................................................
F M Output..
.3-191
Tone-Burst Receiver.
....................................................................................
.3- 193
.......................................................................................................
cPM
3-197
0
How to measure QM deviation.
AUDIO DETECTORS
Audio Detectors
..........................................................................................
3-20
1
Audio Detector Response.
...............................................................................
.3-205
0
How to select the peak, average, and rms audio detectors.
0
How t o trade
o f f
readability of noisy signals for measurement time.
GENERAL MODULATION MEASUREMENT FUNCTIONS
Audio Filters..
...........................................................................................
.3-207
0
How to select the high-pass and low-pass noise filters which filter the demodulated signal.
Audio Range.. .3-21 I
0
How to vary the display resolution and MODULATION OUTPUT sensitivity.
0
How to use the MODULATION OUTPUT/AUDIO INPUT to obtain the demodulated,
0
How to use the MODULATION OUTPUT/AUDIO INPI JT to input an external audio signal
Residual Noise Effects
.3-2 19
...........................................................................................
Modulation Output/Audio Input.
........................................................................
.3-2 15
audio signal.
for audio analysis.
...................................................................................
0
How to account for noise
to
make the most accurate peak-modulation measurements.
3- 159