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UMA1019M Low-voltage frequency synthesizer for radio telephones

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Description

INTEGRATED CIRCUITS DATA SHEET UMA1019M Low-voltage frequency synthesizer for radio telephones Product specification Supersedes data of November 1994.
The UMA1019M BICMOS device integrates prescalers, a programmable divider, and phase comparator to implement a phase-locked loop.

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Features

* Low current from 3 V supply
* Fully programmable RF divider
* 3-line serial interface bus
* Independent fully programmable reference divider, driven from external crystal oscillator
* Dual phase detector outputs to allow fast frequency switching
* Du

Applications

* 2 GHz mobile telephones

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