Telephone Line Interface and Speakerphone Circuit

文件：490.49 Kbytes 页数：20 Pages

FREESCALEFreescale Semiconductor, Inc

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Telephone Line Interface and Speakerphone Circuit

The MC33215 is developed for use in fully electronic telephone sets with speakerphone functions. The circuit performs the ac and dc line termination, 2–4 wire conversion, line length AGC and DTMF transmission. The speakerphone part includes a half duplex controller with signal and noise monitoring

文件：490.49 Kbytes 页数：20 Pages

MOTOROLA

摩托罗拉

Telephone Line Interface and Speakerphone Circuit

The MC33215 is developed for use in fully electronic telephone sets with speakerphone functions. The circuit performs the ac and dc line termination, 2–4 wire conversion, line length AGC and DTMF transmission. The speakerphone part includes a half duplex controller with signal and noise monitoring

文件：490.49 Kbytes 页数：20 Pages

MOTOROLA

摩托罗拉

Telephone Line Interface and Speakerphone Circuit

The MC33215 is developed for use in fully electronic telephone sets with speakerphone functions. The circuit performs the ac and dc line termination, 2–4 wire conversion, line length AGC and DTMF transmission. The speakerphone part includes a half duplex controller with signal and noise monitoring

文件：490.49 Kbytes 页数：20 Pages

MOTOROLA

摩托罗拉