Microwave wideband synthesizer with integrated VCO

20-03-2015 | Digikey | Semiconductors

Analog Devices' ADF5355 microwave synthesizer is now available from Digi-Key. It allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and an external reference frequency. The wideband microwave VCO design permits frequency operation from 6.8GHz to 13.6GHz at one radio frequency (RF) output. A series of frequency dividers at another frequency output permits operation from 54MHz to 6800MHz. The ADF5355 has an integrated VCO with a fundamental output frequency ranging from 3400MHz to 6800MHz. In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allow the user to generate RF output frequencies as low as 54MHz. For applications that require isolation, the RF output stage can be muted. The mute function is both pin and software controllable.
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By Electropages Admin