900 MHz transmit modulator and 2.2 GHz fractional-N synthesizer

DESCRIPTION This specification defines the requirements for a transmitter modulator and fractional–N synthesizer IC to be used in cellular telephones which employ the North American Dual Mode Cellular System (IS–136). FEATURES • Low current from 3.75V supply • Low phase noise • Main loop with

900 MHz transmit modulator and 2.2 GHz fractional-N synthesizer

Serial Digital Receiver

DESCRIPTION The GS9025A provides automatic cable equalization and high performance clock and data recovery for serial digital signals. The GS9025A receives either single-ended or differential serial digital data and outputs differential clock and retimed data signals at PECL levels (800mV). The o

Serial Digital Receiver

DESCRIPTION The GS9025A provides automatic cable equalization and high performance clock and data recovery for serial digital signals. The GS9025A receives either single-ended or differential serial digital data and outputs differential clock and retimed data signals at PECL levels (800mV). The o

UCSP, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference

General Description The MAX9025/MAX9028 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1 reference and draw an ultralow supply current of only 1µA, whil

UCSP, 1.8V, Nanopower, Beyond-the-Rails Comparators With/Without Reference

General Description The MAX9025/MAX9028 nanopower comparators in space-saving chip-scale (UCSP™) packages feature Beyond-the-Rails™ inputs and are guaranteed to operate down to +1.8V. The MAX9025/MAX9026 feature an on-board 1.236V ±1 reference and draw an ultralow supply current of only 1µA, whil