Low-voltage dual frequency synthesizer for radio telephones

GENERAL DESCRIPTION The UMA1018M BICMOS device integrates prescalers, programmable dividers, and phase comparators to implement two phase-locked loops. The device is designed to operate from 3 NiCd cells, in pocket phones, with low current and nominal 5 V supplies. FEATURES • Low current from 3

文件：166.8 Kbytes 页数：20 Pages

PHI

PHI

Low-voltage dual frequency synthesizer for radio telephones

恩XP

THREE-TERMINAL LOW POWER VOLTAGE REGULATORS

文件：258 Kbytes 页数：10 Pages

UTC

友顺

FM IF SYSTEM FOR CAR RADIO

FUNCTIONS * FM IF Amplifier/Limiter * Quadrature Detector * AFC Clamp * AGC Drive * AF Mute Amplifier * Signal Meter Drive * DC Level Detector FEATURES * Adjustable muting sensitivity * Soft muting function * Variable maximum muting attenuation (6dB~40dB) * Variable muting slope with r

文件：250.06 Kbytes 页数：8 Pages

YOUWANG

友旺

CMOS

文件：171.92 Kbytes 页数：9 Pages

UTC

友顺