UMA1019M Hoja de datos - Philips Electronics
Fabricante
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Philips Electronics
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GENERAL DESCRIPTION
The UMA1019M BICMOS device integrates prescalers, a programmable divider, and phase comparator to implement a phase-locked loop. 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 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
• Dual power-down modes.
APPLICATIONS
• 2 GHz mobile telephones
• Portable battery-powered radio equipment.
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