The TRF2052 is a dual-channel, low-power, phase-locked loop (PLL) frequency synthesizer component designed specifically for digitally enhanced cordless telephone (DECT) applications. The device is suitable for a variety of applications up through 2 GHz. A speed-up integral charge pump is used for fast channel switching. The simple serial interface is compatible with the extended performance mode (EPM) of other devices in Texas Instruments' synthesizer family.