HP 8920A Application Handbook page 144

AM Receivers
On the Radio set the Receiver's Controls as follows:
9. Set power to ON.
10. If required, set frequency to the same value as
11. Set squelch to minimum.
12. Set RF Gain to maximum (if equipped).
13. Set the volume control until the AC Level reads 100% of the Receiver's
specified audio output.
Refer to the audio output specifications for the receiver being tested.
On the Test Set using the knob and data entry keys:
14. Decrease Amplitude until the SINAD meter reads 10 dB.
Sensitivity (10dB SINAD) is displayed as Amplitude as shown.
142
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
SINAD
0
RF Gen Freq
28.310000
MHz
Sensitivity
Amplitude
.707
uV
Atten Hold
On/Off
Output Port
RF Out/Dupl
If desired, use the meter averaging function for the SINAD indicator.
a. Select dB on the SINAD meter.
b. Press the AVG key.
If desired, select the number of readings to average.
• Enter the number of readings to average.
Higher number of readings averaged will require longer to
reach the final indication.
step 4.
RX TEST
AC Level
dB
0.004040
10.05 24
Avg
AFGen1 Freq AFGen2 Freq Filter 1
1.0000 1.0000
50Hz HPF
kHz kHz
AFGen1 To AFGen2 To
Filter 2
AM FM 15kHz HPF
30.0 Off
%
Ext Load R
8.00
Ω
W
To Screen
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
More