CXA1982Q Datasheet, PDF (6/30 Pages) Sony Corporation – RF Signal Processing Servo Amplifier for CD players

Pin
No.
Symbol
I/O
29 CP
I
Equivalent circuit
147
29
CXA1982Q
Description
Connection pin for MIRR hold
capacitor.
MIRR comparator non-inverted
input.
30 RF_I
31 RF_O
32 RF_M
I
147
30
O
147
31
I
Input for the RF summing amplifier
output with capacitance coupled.
RF sunning amplifier output.
Eye-pattern check point.
147
RF summing amplifier inverted
32 _input.
The RF amplifier gain is determined
by the resistance connected
between this pin and RFO pin.
33 LD
O
10k
1k
33
APC amplifier output.
34 PD
130k
17µ
I
100k
34
APC amplifier input.
35 PHD1
I
36 PHD2
I
10k
147
35
36
100µ ^11.6k
RF I-V amplifier inverted input.
Connect these pins to the photo
diode A + C and B + D pins.
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