Tone Ringer Interface

Description The U4074B is a monolithic integrated circuit that contains all integral components of a ringing circuit for telephone sets used in conjunction with a microcomputer. The combination of a microcomputer and the U4074B permits flexible programming of the ringing sequence

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Temic

TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP

TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP

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音振铃接口

Temic

BIPOLAR ANALOG INTEGRATED CIRCUIT

FEATURES • Low noise: en = 17 nV/ Hz (TYP.) • Very low input bias and offset currents • Output short circuit protection • High input impedance...J-FET Input stage • Internal frequency compensation • High slew rate...13 V/μs (TYP.)

文件：248.59 Kbytes 页数：11 Pages

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BIPOLAR ANALOG INTEGRATED CIRCUIT

FEATURES • Low noise: en = 17 nV/ Hz (TYP.) • Very low input bias and offset currents • Output short circuit protection • High input impedance...J-FET Input stage • Internal frequency compensation • High slew rate...13 V/μs (TYP.)

文件：248.59 Kbytes 页数：11 Pages

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LOW NOISE J-FET INPUT QUAD OPERATIONAL AMPLIFIER??????

SEMICONDUCTOR SELECTION GUIDE Microcomputer IC Memory Semi-Custom IC Particular Purpose IC General Purpose Linear IC Transistor / Diode / Thyristor Microwave Device / Consumer Use High Frequency Device Optical Device Packages Index (Quick Reference by Type N

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NEC

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