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Analog Devices Introduces Low-Power Radio Frequency Prescalers

Tue, 05/25/2010 - 10:45pm
Analog Devices, Inc. (ADI) announces the availability of new RF prescaler circuits for a variety of applications, including point-to-point radios, VSATs (very small aperture terminals) and microwave communication systems. A prescaler is a circuit that generates an output signal related to an input signal by a fractional scale factor. Designed using ADI’s industry-leading RF and PLL (phase locked loop) synthesizer design expertise, the ADF500x RF prescalers offer the industry’s highest performance for a fixed divide ratio of 2, 4 or 8 and can operate to 18 GHz with very low power consumption. Using a nominal 3V supply, the ADF500x devices have differential 100? RF outputs that allow a direct interface to the differential RF inputs of ADI’s PLL products. This launch of the ADF500x series of products includes three new devices: the ADF5000 divide-by-2 prescaler; ADF5001 divide-by-4 prescaler and ADF5002 divide-by-8 prescaler. ADF500x Prescaler Features and Benefits: •Divide by 2, 4 or 8 options •Integrated RF de-coupling capacitors •Low power consumption: active mode at 30 mA and power down mode at 7 mA •Low phase noise at -150 dBc/Hz •Single DC supply that is +3V compatible with ADI’s extensive offering of PLLs The ADF500x RF prescalers are available now in 3 mm x 3 mm LFCSP packaging.

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