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AM Receivers
154
On the Test Set using the knob and data entry keys:
14. Change SINAD meter to read Distortion.
Distortion is displayed as shown.
15. Select AC Level.
16. Press the REF SET key.
17. Decrease the Receiver’s volume control until the Test Set’s AC Level
meter reads −17 dB.
Distortion displayed as shown above.
Distortion
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
dB
%
-17.18
Distn
RF Gen Freq
28.310000
MHz
Amplitude
-47.0
dBm
Output Port
RF Out/Dupl
AFGen1 Freq
1.0000
kHz
AFGen2 Freq
1.0000
kHz
AFGen2 To
Off
FM
Ref
AFGen1 To
30.0
%
AM
2.3