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UTCTA7738P データシートの表示(PDF) - Unisonic Technologies
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UTCTA7738P
AMPLIFIER SYSTEM FOR CASSETTE TAPE RECORDER
Unisonic Technologies
UTCTA7738P Datasheet PDF : 4 Pages
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UTC TA7738P LINEAR INTEGRATED CIRCUIT
TEST CIRCUIT
SW1
1
4.7
µ
F 3.3k
Ω
2
3
Rg
600
Ω
SW5
SW6
SG
SW1-3
Inter Lock
10k
Ω
1,2=off,
3=on
22
µ
F
22k
Ω
Pre
Output
220
µ
F
Vcc
560pF
16 15 14 13 12 11 10
9
Pre
AMP
ALC
Buffer
AMP
Filter
Power
AMP
1
2
3
4
5
#560pF
390k
Ω
1k
Ω
47
µ
F
47
µ
F
Buffer
Output
5.6k
Ω
2
3
SW2
1
1uF
10
µ
F
1k
Ω
4.7
µ
F
51k
Ω
6
7
8
#6.2k
Ω
#560pF
220
Ω
0.068
µ
F
1000
µ
F/
10V
Power
Output
RL
1000pF
# use in measuring the output
noise voltage
SWITCH MODE
TEST ITEM SW1
GVO1
1
GV1
1
VOUT1
1
GV2
1
VOUT2
1
VNO2
1
ALC
1
GVO3
2
GV3
2
PO
2
VNO3
2
SW2
1
1
1
3
3
3
2
1
1
1
1
SW3
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
SW4
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
SW5
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
SW6
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R110-009,A
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