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Sharp XL-50H

Sharp XL-50H
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– 45 –
XL-40H/50H
IC801 VHiTA2109F/-1:Servo Pre Amp. (TA2109F)
Figure 45 BLOCK DIAGRAM OF IC
15k
15k
50k
10k
7.96k
10k
21k 21k
12k
12k
20k
20k
23.5k
12k
1.53k
20k
3.3k
180k
60k
60k
20k
20k
20k
180k
180k
180k
13k
2.12k
680k
1k
47k
1.74k
24k
30k
24k
21k 29k
10k
7.67k
30k
10k
10k
20k
3.3k
20pF
20pF
40pF
20pF
40pF
36pF
10pF
PEAK
BOTTOM
re = 130
SW
3
SW2
SW1
65µA
50µA
20µA
2
3
4
5
1
7
8
9
6
1213
14
15
11
17
18
19
10
16
22
23
24
21
20
VCC
FNI
FPI
TPI
TNI
MDI
LDO
SEL
TEB
2VRO
TEN
TEO
RFN
GND
RFO
AGCI
RFGC
RFGO
RFIS
RFRP
VRO
FEN
FEO
SBAD
3 STATE
DET.
I . I
I . I
SEL
L
HiZ
H
SW1
SW2
LDC
SW3
ON
ON
ON
ON
ON
OFF
OFF
OFF OFF
LDC

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