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DV-550U
12. IC FUNCTION LIST
12-1. IC301 IX1461GE
RF PRE AMP.
Pin No.
Terminal name
1
EIN
2
GND1
3
S/Dsel
4
AIN
5
BIN
6
CIN
7
DIN
8
VrefIN
9
FIN
10
GAINsel1
11
VCC1
12
GAINsel2
13
FOUT
14
EOUT
15
DOUT
16
COUT
17
BOUT
18
AOUT
19
VCC2
20
RFPOUT
21
RFNOUT
22
MIXIN
23
MIXOUT
24
GND2
12-1-1. Mode selection table
Single layer/dual layer selection
Layer
S/DSEL (Terminal 3)
Single
L, OPEN
Dual
12-1-2. Block Diagram
I/O
I
RF signal input. Input of RF signal output of optical pickup.
–
Ground
I
Single layer/dual layer selection signal input.
I
RF signal input. Input of RF signal output of optical pickup.
I
RF signal input. Input of RF signal output of optical pickup.
I
RF signal input. Input of RF signal output of optical pickup.
I
RF signal input. Input of RF signal output of optical pickup.
I
Reference voltage input. (2.1V)
I
RF signal input. Input of RF signal output of optical pickup.
I
Amp gain selection input 1.
–
Power terminal. (5.0V)
I
Amp gain selection input 2.
O
RF signal output. Input RF signal is current-voltage-converted and output.
O
RF signal output. Input RF signal is current-voltage-converted and output.
O
RF signal output. Input RF signal is current-voltage-converted and output.
O
RF signal output. Input RF signal is current-voltage-converted and output.
O
RF signal output. Input RF signal is current-voltage-converted and output.
O
RF signal output. Input RF signal is current-voltage-converted and output.
–
Power terminal. (5.0V)
O
Data read signal output. The same phase as MIXIN.
O
Data read signal output. Reverse phase with respect to MIXIN.
I
Data read signal input.
O
Data read signal output.
–
Ground
Amp gain
0dB
H
+10dB
24
23
22
21
MIX
1
2
3
4
Operation function
Amp. gain selection
GAINsel1 (Terminal 10) GAINsel2 (Terminal 12)
L
H, OPEN
L
H, OPEN
20
19
18
17
16
5
6
7
8
9
12-1
L
L
H, OPEN
H, OPEN
15
14
13
10
11
12
Amp gain
+6dB
-2dB
+2dB
-6dB
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