23
D-F200/F201
IC1 TA2149BFN
5-9. IC BLOCK DIAGRAMS
RF GND
3
2
1
IF REQ
AM
MIX
FM IN
AM L/CUT
5
4
MIX OUT
VCC
AF IF
8
7
6
FM IF
GND
10
9
AGC
QUAD
12
11
R-OUT
L-OUT
FM RF
22
23
24
20
21
17
18
19
15
16
13
14
AM RF
RF VCC
FM OSC
XST DET
OSC OUT
AM OSC
XIFREQ
LPF1 XMO/ST
MPX IN
DET OUT
LPF2 XAM/FM
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
1/1 OR
1/16
+
–
+
–
+
–
23
18
17
16
15
14
13
2
3
4
5
6
7
8
9
11
12
1
24
BIAS
BEEP
PW
SW
MT
SW
ALC
DET
ATT
SW
PWC
SW
ROUT
LOUT
BEEP
MUTE MUTE_
γ
BST
PW
B
PW
C
BST
NF
ADD
OUT
RF IN OCL
SW
ROUT VREF
LOUT
PGND MIX
OUT
ALC
IN
ALC
DET
ATT
SW
LIN
RIN
GND
PWR
SW
BIAS
BIAS
IN
BB
SW
BST
OUT
VCC
ADD
A
ADD
B
21
22
PW
A
ALC
ALC
20
19
10
IC302 TA2120FN