ST952 데이터 시트보기 (PDF) - STMicroelectronics
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ST952 Datasheet PDF : 12 Pages
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ST952
Figure 7 : Test 5
1m F
ST952
D1 30
D2 31
HIGH PASS
FILTER
AOUT
AIN
27 26
LOW PASS
FILTER
Output
Amplifier
LINE
20
GAIN
24
D3 1
D4 2
Fmod
2W/4W
CONVERTER
& HYBRID
1m F
23 LINI
22 IDI
1nF
RIN
3
RING
DETECT
Fmod
Ur
D5 4
D6 5
CLID & OFF-HOOK
SWITCH CONTROL
32 25 6 10 11 9
CURRENT
LIMITER
78
CLID
REFERENCE
VOLTAGE
OFF-HOOK
REFERENCE
VOLTAGE
16
17 18
IDG 47kW
21
620W
19
VDR 47m F
15
VDREF 100nF
14 IREF
82kW
4.7m F
100nF
For Ur = V1, no signal on D3/D4
For Ur = V2, 6VPP/1MHz on D3/D4
BC
557
47kW
BC
557
BC
BC
BC
547
547
547
10/12
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