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 頁數(shù)：20 Pages

MOTOROLA

摩托羅拉

ARCHIVED - Telephone Line Interface and Speakerphone Circuit

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?Highly Integrated Cost Effective Solution\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 Powere;

恩XP

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 頁數(shù)：20 Pages

MOTOROLA

摩托羅拉

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 頁數(shù)：20 Pages

MOTOROLA

摩托羅拉

Telephone Line Interface and Speakerphone Circuit

文件：490.49 Kbytes 頁數(shù)：20 Pages

FREESCALEFreescale Semiconductor, Inc

飛思卡爾飛思卡爾半導體

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