33
IC1 CXA2596M-T6
3-16. IC BLOCK DIAGRAMS
1
24
HOLD
2
AGCVTH
3
LD
4
PD
5
A
6
B
7
C
8
D
9
VEE
VEE
VCC
APC PD AMP
+
–
+
–
+
–
+
–
VEE
VREF
1.25V
VCC
APC LD AMP
+
–
VC
VC
VCC
VCC
23 LC/PD
22 LD ON
21 HOLD SW
19 RF BOT
18 RFTC
17 RF I
16 RFO
10
F
15 RFE
11
E
14 FE
12
VC
13 TE
20 AGCCONT
+
–
+
–
+
–
+
–
VC
VEE
+
–
VC
VC
VC
VC
VC
VC
+
–
+
–
+
–
+
–
+
–
VC
+
–
RF SUMMING AMP
RF EQ AMP
TRACKING
ERROR AMP
VEE
ERROR AMP
FOCUS
VC BUFFER
VCC
VEE
REGULATOR
VREF
+
–
+
–
THERMAL
SHUT
DOWN
OVER
VOLTAGE
PROTECT
CIRCUIT ON
5
1
2
3
4
AMP
ON
AMP
B+
GND
VCC
BU+B
ON
ON
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