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AM Receivers
139
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 step 4.
11. Set squelch to minimum.
12. Set RF Gain to maximum (if equipped).
13. Slowly increase volume control until the AC Level reaches the Receiver’s
rated output power, or reaches a maximum level (stops increasing).
Refer to audio output specifications for the Receiver being tested as
required.
NOTE: If the rated output cannot be obtained, troubleshoot and repair the Receiver’s
audio stages is necessary.
Measurement results are displayed on the Test Set as shown.
To Screen
RX TEST
AC Level
Filter 1
50Hz HPF
Filter 2
15kHz HPF
Atten Hold
On/Off
Ext Load R
8.00
Ω
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
More
W
dB
2.036
SINAD
RF Gen Freq
28.310000
MHz
Amplitude
-47.0
dBm
Output Port
RF Out/Dupl
AFGen1 Freq
1.0000
kHz
AFGen1 To
30.00
%
AM
AFGen2 Freq
1.0000
kHz
AFGen2 To
Off
FM
0 23.99 24
Audio (AF)
Output Power