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Sanyo CP10 - IC Block Diagram: RF Amplifier; IC101 CX20109 RF AMP Details

Sanyo CP10
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iC
BLOCK
DIAGRAM
‘1101
CX20109
RF
AMP
J
Pin
2|
RFI
3}
RFO
4|
RF
(—
5/
PD1
6]
PD2
7]
AGND
8|
E
Output
to
enable
focus
servo
operation.
It
is
active
with
comparator
output
set
at
High
level.
Load
resistor
connection
(PNP
open
collector).
Output
of
RF
summing
amplifier
is
here
input
through
C
coupling.
Output
of
RF
summing
amplifier.
Eye
pattern
test
point.
Inverted
input
of
RF
summing
amplifier.
Feedback
CR
connection
between
pins
(3)
and
(4).
Inverted
input
of
RF
1-V
amplifier
(1).
Current
input
in
connection
with
PIN
diode
B+D.
Inverted
input
of
RF1-V
amplifier
(2).
Current
input
in
connection
with
PIN
diode
AtC.
Ground
for
minor
signal
analog
system.
Inverted
input
of
E
1-V
amplifier.
Current
input
in
connection
with
PIN
diode
E.
OV
V
RFO
OV
OV
OV
OV
OV
10
11
12
13
14
15
16
17
18
19
—14—
FFB
GND
VEE
FE
(+)
FE
(—)
FE
TE
MIRR
HC
Function
Output
of
E
1-V
amplifier.
Feedback
CR
connection
between
pins
(8)
and
(9).
Output
of
F
1-V
amplifier.
Feedback
CR
connection
between
pins
(10)
and
(11).
Inverted
input
of
F
1-V
amplifier.
Current
input
in
connection
with
PIN
diode
f.
Ground.
Negative
power
supply.
Non-inverted
input
of
focus
error
amplifier.
CR
connec-
tion
for
low
pass
filter.
Inverted
input
of
focus
error
amplifier.
Output
of
focus
error
amplifier.
Feedback
CR
connection
between
pins
(15)
and
(16).
Output
of
tracking
error
amplifier.
Output
of
mirror
comparator
active
at
High
level).
Load
resistor
connection
(PNP
open
collector).
Connection
pin
for
mirror
hold
capacitor.
bc
Volt
OV
OV
OV
OV
—5V
OV
OV
V
FEO
V
TEO
OV
—2V

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