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KD-S7350/KD-S690
4.3 TA2157FN (IC501) : RF amp
• Pin layout
24
1
• Block diagram
1-30 (No.49778)
~
13
~
12
13
20k
20k
14
15
15k
16
50 A
20k
12k
17
12k
20k
BOTTOM
18
PEAK
19
20
20k
21
22
23
3k
3k
24
PIN
SEL
(APC SW)
VCTRLPIN
VCC
APC ON
HiZ
APC ON
APC OFF
GND
(LDO=H)
PEAK
50k
15k
40k
20k
20k
20k
2k
50k
14k
2k
1.75k
240k
15pF
x0.5
K
x2
240k
15pF
x0.5
1
x2
94k
60k
22k
60k
180k
94k
40pF
22k
TEB
RFGC
(TE BAL)
(AGC Gian)
-50%
+12dB
0%
+6dB
+50%
0dB
12
11
10
9
8
1k
7
6
5
4
3
2
1
TEB
(TE BAL)
Normal mode
(0dB)
Normal mode
(0dB)
CD-RW mode
(+12dB)
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