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RV-B550BU
3. Functions
Pin No.
Symbol
1
PD
2
LD
3
LD ON
4
LDP
5
VCC
6
RF-
RF OUT
7
8
RF IN
C.AGC
9
10
ARF
11
C.ENV
12
C.EA
13
CS BDO
14
BDO
15
CS BRT
16
OFTR
17
/NRFDET
18
GND
19
ENV
20
VREF
21
LD OFF
22
VDET
23
TE BPF
24
CROSS
25
TE OUT
26
TE-
27
FE OUT
28
FE-
29
FBAL
30
TBAL
31
PDFR
32
PDER
33
PDF
34
PDE
35
PD BD
36
PD AC
1-22
I/O
I
APC amp input terminal
O
APC amp output terminal
I
APC ON/OFF control terminal
--
Connect to ground
Power supply
--
Inverse input pin for RF amp
I
RFamp output
O
I
RF input
Connecting pin of AGC loop filter
I/O
RF output
O
I/O
A capacitor is connected to this terminal to detect the envelope of RF signal
I/O
A capacitor is connected to this terminal to detect the envelope of RF signal
A capacitor is connected to detect the lower envelope of RF signal
I/O
BDO output pin
O
A capacitor is connected to detect the lower envelope of RF signal
I/O
O
Of-track status signal output
RF detection signal output
O
--
Ground
O
Envelope output
O
Reference voltage output
--
Connect to ground
O
Vibration detection signal output
I
Input pin of tracking error through BPF
O
Tracking error cross output
O
Tracking error signal output
Inverse input pin for tracking error amp
I
O
Output pin of focus error
Inverse input pin for focus error amp
I
I
Focus balance control
I
Tracking balance control
F I-V amp gain control
I/O
E I-V amp gain control
I/O
I
I-V amp input
I
I-V amp input
I
I-V amp input
I
I-V amp input
Functions and operations
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