2. RF Amplifier Circuit
Block Diagram
27
56
97
98
99
100
92
93
94
95
3
57
71
72
26
FE
IC401
Pic
k up KRS-202A/220C
LPF
Of
fset Adj.
Gain Adj.
A,B,C,D
E,F
,G,H
VC
GND
VCC
PDIC
4
4
LPF
AAF
BPF
EQ
AMP
RF
SRF
(A+D)-(B+C)
_
CXA2551R
CE
TE
A
TFG
+ _
K
AGC
AGC
Of
fset Adj.
Slice
Circuit
Gain Adj.
LPF
Of
fset Adj.
Gain Adj.
Gain Adj.
IC201 132
IC201 197
IC201 163
IC201 198
IC201 204
EQRFN
EQRFP
IC413