~
,
~
FROM
A2
40.455 MHz
...
TO
A3
AMP
f-to
FILTER
AGCCONTROL
I .
....
AGCBIAS
~
l
~
AMP
j
AGC
AMP
AGC
AMP
40.455 MHz
L.
l~
I'
. .
FILTER
FROM
A4
AGC
~
MIXER
r-t
4
Figure 4-4. Second Mixer, Functional Block Diagram
455kHz ..
FILTER
.....
AMP
455 kHz .. TO
A4
