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參數(shù)資料
| 型號： | MM1077 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | Compander IC |
| 中文描述： | 擴展器集成電路 |
| 文件頁數(shù)： | 5/7頁 |
| 文件大?。?/td> | 170K |
| 代理商： | MM1077 |
MITSUMI
Compander IC MM1077
The data amp uses an inverting amp. The internal input resistance is 100k
, and the DC bias voltage is
1.3V. The compressor mute switch at pin 15 is used to switch between data signals and audio signals.
4. Compressor data amp
The positive and negative input pins and the output pin are exposed to circuitry outside the IC. The
expander input amp can be used as a signal amplifier, a buffer amplifier, and a filter amp. By taking the
signal from this amp's output pin, the data signal can be obtained without passing through the expander. If
the expander mute switch is turned on, this signal can be prevented from appearing in the expander output.
5. Expander input amp
The internal equivalent circuit for each of these switches appears in Fig. 6.
6. Mike amp input switch and mute switches
The internal equivalent circuit for the standby switch appears in Fig. 7.
7. Standby switch
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