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• IC Block Diagrams
– RF Board –
IC101 CXA2581N-T4
DVC
–
VOFST
+
VC
VC
LD
1
PD
2
APC AMP
EQ IN
3
RFAC
AC SUM
4
SUMMING
AMP
GND
5
B
C D
A
A
A
6
B
B
7
C
C
8
D
D
9
E
10
GM
F
11
GM
APC-OFF
(Hi-Z)
SW
12
RW/ROM
(H/L)
DVCC
13
B
DVC
D
DVC
14
A
C
RFAC
15
RW/ROM
A
–
–
B
+
+
C
DVC
D
DVC
VCC
VC
RW/ROM
EQ
EQ ON/OFF
RFAC
VCA
RW/ROM
VCC
VOFST
B
C
–
–
A
+
+
D
DVC
VC
RW/ROM
RW/ROM
–
+
VC
RW/ROM
RW/ROM
VOFST
–
–
+
+
DVC
VC
RW/ROM
30
DC OFST
29
RFDCI
28
RFDCO
27
VC
26
RFC
25
VFC
24
BST
23
RFG
22
VCC
21
CEI
20
CE
19
TE BAL
18
TE
17
FEI
16
FE
CDX-T69/T69X
27
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