cxa1372bs Sony Electronics, cxa1372bs Datasheet - Page 16
cxa1372bs
Manufacturer Part Number
cxa1372bs
Description
Rf Signal Processing Servo Amplifier For Cd Player
Manufacturer
Sony Electronics
Datasheet
1.CXA1372BS.pdf
(32 pages)
- Current page: 16 of 32
- Download datasheet (499Kb)
DEFECT circuit
After inversion, RFI signal is bottom held by means of the long and short time constants. The long time-
constant bottom hold keeps the mirror level prior to the defect.
The short time-constant bottom hold responds to a disc mirror defect in excess of 0.1ms, and this is
differentiated and level-shifted through the AC coupling circuit.
The long and short time-constant signals are compared to generate at mirror defect detection signal.
RFO
40
a
b
e
c
DEFECT AMP
RFO
DEFECT
AMP
DEFECT
BOTTOM
HOLD (1);
Solid line CC1
a
2
b
CB
37
0.01µ
DEFECT BOTTOM
HOLD
– 16 –
CC1
34
0.033µ
DEFECT COMPARATOR
35
CC2
c
d
H
L
d
e
BOTTOM
HOLD (2);
Dotted line CC2
30
DFCT
CXA1372BQ/BS
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