ARCHIVED - Telephone Line Interface and Speakerphone Ciruit

Overview 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 mon \n\n•Straightforward AC and DC Parameter Adjustments\n\n•Efficient Supply for Loudspeaker Amplifier and Peripherals\n\n•Stabilized Supply Point for Handset Microphone\n\n•Stabilized Supply Point for Base Microphone\n\n•Loudspeaker Amplifier can be Powered and Used Seperately\n\n•Smooth-Switch-Over f;

恩XP

恩智浦

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

文件：490.49 Kbytes 页数：20 Pages

freescaleFreescale Semiconductor, Inc

飞思卡尔飞思卡尔半导体

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