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參數(shù)資料
| 型號(hào)： | SC9106 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TONE RINGER SC9106 |
| 中文描述： | 音調(diào)振鈴器SC9106 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 90K |
| 代理商： | SC9106 |
Silicore
SC9106
SHAOXING SILICORE TECHNOLOGY CO.,LTD
www. Silicore. com. cn
CHMC
3/5
TEST CIRCUIT
1
2
3
4
8
7
6
5
SC 9106
1%
165K
6.8K
1%
191K
5
0
A
_
+
0
+
+
S2
S1
APPLICATION CIRCUIT
1
2
3
4
D1
RSL
R2
165K
C2
0.47uF
C4
22uF/35V
R1
560
C1
0.9uF
R3
6.9nF
191k
C3
1
10K
1
8
7
2
3
6
5
4
SC9106
2
SP
1300:8
TIP
RING
C5
0.22uF
+1%
_1%
+5%
_5%
APPLICATION NOTE
The application circuit illustrates the use of the UTC9106 device in typical
telephone tone ringer application.
The AC ringer signal voltage appears across the TIP and RING inputs of the
circuit and is attenuated by capacitor C1 and resistor R1.
C1 also provides isolation from DC voltage (48V) on the exchanged line.
After full wave rectification by the bridge diode, the waveform is filtered by
capacitor C4 to provide a DC supply for the tone ringer chip.
As this voltage exceeds the initiation voltage (Vsi), oscillation starts.
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