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Description of major ICs
AN22000A (IC601) : RF & Servo amp
1. Pin layout
32
1
2. Block
3. Function
Pin
Symbol
No.
1
PD
APC Amp. Input terminal
2
LD
APC Amp.Output terminal
3
VCC
Power supply terminal
4
RFN
RF addition Amp.Reversing input terminal
5
RF OUT
RF addition Amp.Output terminal
6
RF IN
AGC input terminal
7
C.AGC
Terminal of connection of capacity of AGC loop
filter.
8
ARF
AGC output terminal
9
CEA
Capacity connection terminal for HPF-Amp.
10
3TOUT
3TENV output terminal
11
CBDO
Capacity connection terminal for RF shade side
envelope detection
12
BDO
BDO output terminal
13
COFTR
Capacity connection terminal for RF discernment
side envelope detection
14
OFTR
OFTR output terminal
15
NRFDET
NRFDET output terminal
17
16
ARF
RF IN
RF OUT
C.AGC
CBDO
RFN
4
5
6
7
8
11
RF_EQ
AGC
BDO
NRFDET
A
32
BCA
AMP
GCA
C
31
B
30
AMP
GCA
BCA
D
29
E
27
GCA
BCA
AMP
BCA
F
28
AMP
GCA
VREF
17
24
26
25
GCTL
TBAL FBAL
Function
BDO
OFTR
COFTR
12
13
14
OFTR
9
CEA
3TENV
3TOUT
10
15
NRFDET
22
FEN
SUBT
23
FEOUT
21
TEN
SUBT
20
TEOUT
19
TEBPF
VDET
18
VDET
2
LD
PD
1
16
3
CDDG VCC
Pin
Symbol
No.
16
CDDG
Earth terminal
17
VREF
VREF output terminal
18
VDET
VDET output terminal
19
TEBPF
VDET input terminal
20
TEOUT
TE Amp. output terminal
21
TEN
TE Amp. reversing input terminal
22
FEN
FE Amp. reversing input terminal
23
FEOUT
FE Amp. output terminal
24
GCTL
Terminal GCTL & APC
25
FBAL
FBAL control terminal
26
TBAL
TBAL control terminal
27
E
Tracking signal input terminal 1
28
F
Tracking signal input terminal 2
29
D
Focus signal input terminal 4
30
B
Focus signal input terminal 2
31
C
Focus signal input terminal 3
32
A
Focus signal input terminal 1
FS-SD1000
Function
1-19
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