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U3761MB-AFNG3 - Low Voltage Standard Telephone Circuit

General Description

TEMIC’s low voltage telephone circuit, U3761MB performs all the speech and line interface functions required in an electronic telephone set, the tone ringer, the pulse and DTMF dialing with redial, notice function, and 13 memories.

Key Features

  • Speech Circuit D Last number redial up to 32 digits D Three by 32 digits direct (one touch) memory D Ten by 16 digits indirect (two touch) memory D Notice function up to 32 digits D Standard low-cost crystal 3.57 MHz or ceramic resonator D Adjustable DC characteristic D Symmetrical input of microphone amplifier D Receiving amplifier for dynamic or piezo-electric earpieces D Automatic line loss compensation Dialer D DTMF / pulse switchable D Pulse dialling 66/33 or 60/40 or DTMF dialling sele.

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Other Datasheets by TEMIC Semiconductors (now Microchip)

Part Number Description
U3761MB-AFN Low Voltage Standard Telephone Circuit
U3761MB-ASD Low Voltage Standard Telephone Circuit
U3761MB Low Voltage Standard Telephone Circuit
U3741BM UHF ASK/FSK Receiver
U3750BM One Chip Telephone Circuit

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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U3761MB Low Voltage Standard Telephone Circuit with 13 Memories Description TEMIC’s low voltage telephone circuit, U3761MB performs all the speech and line interface functions required in an electronic telephone set, the tone ringer, the pulse and DTMF dialing with redial, notice function, and 13 memories. Features Speech Circuit D Last number redial up to 32 digits D Three by 32 digits direct (one touch) memory D Ten by 16 digits indirect (two touch) memory D Notice function up to 32 digits D Standard low-cost crystal 3.