SEA 222 - Receiver Block Diagram

11
(,)
:::1
11
SPKR
U8
I
I
I
I
I
I
I
I
I
U3
AUDIO PRE· AMP
U1
PROD. DET.
8.4
osc
LIMITED
AUDIO
TO CPU
U2
Qg--:------1
I ct1 . ./1 1U4B
8.4
FIL TERI f 2
I .. c <
U5
AGC
1 •t
HIGH CRS,& LOW
MIXER F1
PASS PASS
FIL TE FILTER
CR1
2MHZ ...... 23MHZ I
• c
45MHZ 45MHZ
VCOhl\ANifDE~.F. lvc~ol
.,. 1
~DET
+2
\.:)
"
~ RECEIVER BLOCK DIAGRAM SEA222
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