78
XC-IS21MD
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
10k
10k
24k
30k
55k
22k
164k
87k
10k
30k
30k
123k
260k
26k
260k
13k
56k
174k
56k
1k
24k
10k
28k
5.6k
23.8k
23.8k
123k
15k
147
25p
12p
12p
25p
30k
24k
30k
24k
30k
820k
820k
VC
VC
VC
VC
VC
VC
VC
V
EE
V
EE
V
EE
V
EE
V
CC
VC
V
CC
V
CC
VREF
1.25V
APC LD
AMP
FOCUS
ERROR AMP
TRACKING
ERROR AMP
RF SUMMING
AMP
RF EQ AMP
VC
BUFFER
V
CC
LD ON
LC / PD
RFE
RFO
FE
FE BIAS
TE
VC
EO
LD
PD
A
B
C
D
V
EE
F
E
EI
Function
No.
Pin Name
I/O
Function
11
EO
−
Gain adjust the signal which was input from
pin 9.
12
VC
O
DC voltage output of (VCC+VEE)/2
RF amplifier and FE amplifier input
13
TE
O
Tracking error amplifier output
F-E signal is output.
14
FE BIAS
I
Pin for focus bias adjustment
5
C
15
FE
O
Focus error amplifier output
6
D
16
RFO
O
RF amplifier output
7
VEE
−
Ground pin
17
RFE
−
Pin for RF amplifier equalization
8
F
I
Tracking error amplifier input.
18
LC/PD
I
Bias pin VCC : LC , OPEN : PDIC
9
E
19
LD ON
I
ON/OFF switching pin of APC amplifier
VCC : ON, VEE : OFF
10
EI
−
Gain adjust the signal which was input from
pin 9.
20
VCC
−
Power supply pin
•
Block Diagram
CXA1821M (CD ASSY : IC1101)
• RF AMP. IC
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299