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Analog Devices announces two PLL (phase-locked loop) synthesizers that deliver industry-leading performance for the upconversion and downconversion of RF (radio frequency) signals in wireless applications. The ADF4007 is a fixed frequency, low noise integer-N PLL that delivers a frequency of operation at 7.5 GHz, eliminating frequency doublers in many high frequency systems. This synthesizer is designed for cellular base stations and satellite radio link applications. The ADF4154 is a fractional-N PLL and offers the best phase noise performance of – 106 dBc/Hz under GSM1800 conditions. This PLL comes with a fast locking feature that improves frequency and phase settling times and a programmable modulus that can accommodate multiple system reference frequencies. The ADF4154 is suited for cellular base stations, private mobile radio, and instrumentation applications.

Analog Devices, Inc.

Analog Devices Inc
804 Woburn St
Wilimington, MA, 01887