RF137 applications equivalent, transceiver for gsm applications.
an on-chip, dual-loop UHF/VHF frequency synthesizer circuit. It includes two sets of reference dividers, phase/frequency detectors, charge pumps, prescalers, main divider.
The RF137 Transceiver is a highly integrated device optimized for use in singleband or multi-band Global System for Mobi.
Image gallery
Download