HP 8920A Application Handbook page 153

On the Test Set using the knob and data entry keys:
15. Select AC Level.
16. Press the REF SET key.
17. Change AFGen1 Freq from 300 Hz to 3 kHz while observing AC Level
Meter.
Frequency Response is displayed on the screen as AC Level in relative dB
(from 300Hz to 3 kHz) as shown.
The audio response should not vary more than +2 to −14 dB (Receiver's with
NOTE:
loudspeakers) or +1 to −8 dB (Receivers with headphones or feed a line) from
a standard 6 dB per octave de-emphasis curve over the frequency range of 300
to 3 kHz.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
RX TEST
AC Level
SINAD
dB
0 -0.07 24
RF Gen Freq AFGen1 Freq AFGen2 Freq
Filter 1
28.310000 0.5000 1.0000 50Hz HPF
MHz kHz kHz
AFGen1 To
AFGen2 To
Amplitude Filter 2
-47.0 AM FM
15kHz HPF
dBm 30.0 Off
%
Atten Hold
On/Off
Ext Load R
Output Port
RF Out/Dupl
Audio
dB
-4.72
Frequency
Ref
Response
To Screen
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
8.00
Ω
More
AM Receivers
151