View uma1019am 2 datasheet:

INTEGRATED CIRCUITS DATA SHEET UMA1019AM Low-voltage frequency synthesizer for radio telephones 1995 Jul 07 Product specification Supersedes data of November 1994 File under Integrated Circuits, IC03 Philips Semiconductors Product specification Low-voltage frequency synthesizer UMA1019AM for radio telephones The device is designed to operate from 3 NiCd cells, in FEATURES pocket phones, with low current and nominal 5 V supplies. • Low current from 3 V supply The synthesizer operates at RF input frequencies up to • Fully programmable RF divider 1.7 GHz. The synthesizer has a fully programmable • 3-line serial interface bus reference divider. All divider ratios are supplied via a • Independent fully programmable reference divider, 3-wire serial programming bus. drive