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ST Microelectronics
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Part No. |
ST3917B ST3917A
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OCR Text |
speech - tone/pulse dialer - led indicator july 1996 speech circuit . 2 to 4 wires conversion . present the proper dc path for the line current and the flexibility to adjust it and allow parallel phone operation . symmetrical high impedanc... |
Description |
speech - TONE/PULSE DIALER - LED INDICATOR
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File Size |
349.12K /
16 Page |
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it Online |
Download Datasheet
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Samsung Semiconductor Co., Ltd.
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Part No. |
HC1062A
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OCR Text |
...rated circuit that perform all speech and line interface functions required in fully electronic telephone sets. they also perform electronic switching between dialing and speech. the ics operate at line voltage down to 1.6v (with reduce... |
Description |
Low Voltage Telephone speech Transmission Circuit / High/Low Level Mute 低压输电线路电话语音/低级别静
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File Size |
87.32K /
6 Page |
View
it Online |
Download Datasheet
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Price and Availability
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