DX-C390
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
LD
PD
EQ_IN
A
C_SUM
GND
A
B
C
D
E
F
SW
DV
c
c
DV
C
RF
A
C
DC_OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
Vcc
CEI
CE
TE_BAL
TE
FEI
FE
PIN ASSIGNMENT
PIN No.
PIN SIGN
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
LD
PD
EQ_IN
AC_SUM
GND
A
B
C
D
E
F
SW
DVcc
DVC
RFAC
DC_OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
Vcc
CEI
CE
TE_BAL
TE
FEI
FE
I/O
O
I
I
O
I
I
I
I
I
I
I
I
I
O
O
O
I
O
I
O
I
I
I
I
I
I
O
O
I
I
Output pin for APC amp.
Input pin for APC amp.
Input pin for EQ block and VCA block of RFAC system.
Output pin for RF SUM of RF AC system.
GND pin
A-signal input pin.
B-signal input pin.
C-signal input pin.
D-signal input pin.
E-signal input pin.
F-signal input pin.
Mode select input pin.
DVcc input pin.
DVcc output pin.
RFAC signal output pin.
Focus error signal output pin.
Virtual grounding pin of FE Amp.
Tracking error signal output pin.
TE balance adjusting pin.
Center error signal output pin.
Virtual grounding pin of CE Amp.
Vcc pin.
AF signal gain adjusting pin of VCA block.
Adjust the boost quantity of EQ.
Adjust the cutoff frequency signal of EQ.
Adjust the cutoff frequency signal of EQ.
VC voltage output pin.
RFDC signal output pin.
Virtual grounding pin of RFDC Amp.
Offset adjusting output pin for RFDC.
Terminal Description
Q102 : CXA2851N RF SIGNAL PROCESSOR
35 of 63