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Partname:ADF4154BCPZ
Description:Fractional-N Frequency Synthesizer
Manufacturer:Analog Devices
Pins:20
Datasheet:PDF (470K).
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The ADF4154 is a fractional-N frequency synthesizer that implements local oscillators in the up conversion and down conversion sections of wireless receivers and transmitters. It consists of a low noise digital phase frequency detector (PFD), a precision charge pump, and a programmable reference divider. There is a - based fractional interpolator to allow programmable fractional-N division. The INT, FRAC, and MOD registers define an overall N divider (N = (INT + (FRAC/MOD))). In addition, the 4-bit reference counter (R counter) allows selectable REFIN frequencies at the PFD input. A complete phase-locked loop (PLL) can be implemented if the synthesizer is used with an external loop filter and a voltage controlled oscillator (VCO).

Click here to download ADF4154BCPZ Datasheet
Click here to download ADF4154BCPZ Datasheet
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