View uma1014 datasheet:

Philips Semiconductors Product specification Low-power frequency synthesizer for UMA1014 mobile radio communications FEATURES • Single chip synthesizer; compatible with Philips cellular radio chipset • Fully programmable RF divider • I2C interface for two-line serial bus • On-chip crystal oscillator/TCXO buffer from 3 to 16 MHz GENERAL DESCRIPTION • 16 reference division ratios allowing 5 to 100 kHz channel spacing The UMA1014 is a low-power universal synthesizer which has been designed for use in channelized radio • 1/8 crystal frequency output communication. The IC is manufactured in bipolar • On-chip out-of-lock indication technology and is designed to operate at 5 to 100 kHz • Two extra VCO control outputs channel spacing with an RF input from 50 to 1100 MHz. The ch