AM Receivers
145
17. Decrease the receiver’s volume control until the AC Level meter reads
−13 dB.
18. Select AC Level
19. Press the REF SET key.
20. Change SINAD meter to read Distortion.
21. Tune Amplitude over the range of 500 mV to 5 Ω V.
Distortion (for given input) is displayed as shown (should not exceed
±10%).
Relative output level (for given input) is displayed as AC Level (should
not exceed ±10 dB).
:Distortion
Input
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
dB
-3.88
SINAD
RF Gen Freq
28.310000
MHz
Amplitude
5.00
uV
Output Port
RF Out/Dupl
AFGen1 Freq
1.0000
kHz
AFGen2 Freq
1.0000
kHz
AFGen2 To
Off
FM
0 25.16 24
Ref
AFGen1 To
30.0
%
AM
:Output