HP 8924E, Assembly

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Chapter 5, HP 8924C Performance Verification
AF Analyzer Residual Noise Performance Test 15
N:\mkt\MANUALS\HP8924C\ALR\24c_pt.fb
Procedure
1. Access the AF ANALYZER screen.
2. Set the
AF Anl In
field to
Audio In
.
3. Set the
AFGen1
and
AFGen2
deviation to
Off
(using the ON/OFF key).
4. Set
Filter 1
to
<20 Hz HPF
and
Filter 2
to
15 kHz LPF
.
5. Set the D
e-Emphasis
field to
Off
.
6. Set the
Detector
field to
RMS
.
7. Measure ac level (Residual Noise). The upper limit is 150
µ
V. See "AF Analyzer
Residual Noise Performance Test 15" on page 336 .
AF Anl In
Filter 1
De-Emphasis
Detector
To Screen
TX Frequency
TX Power
AF ANALYZER
AC Level
Filter 2
Settling
Pk Det To
Speaker Vol
Speaker ALC
Scope To
Gain Cntl
Input Gain
Notch Gain
Notch Freq
De-Emp Gain
Audio In Lo
Ext Load R
DC Current
AF Cnt Gate
Select Audio In
Select Filter 1 (<20Hz HPF) Select Filter 2 (15kHz LPF)
Select Slow (Freq <200Hz)
Actual AC Measurement
Select RMS
Select Off mode