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Partname:ADF4157BCPZ1
Description: High Resolution 6 GHz Fractional-N Frequency Synthesizer
Manufacturer:Analog Devices
Datasheet:PDF (399K).
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The ADF4157 is a 6 GHz fractional-N frequency synthesizer with a 25-bit fixed modulus, allowing subhertz frequency resolution at 6 GHz. 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 and FRAC registers define an overall N divider, N = INT + (FRAC/225). The ADF4157 features cycle slip reduction circuitry, which leads to faster lock times without the need for modifications to the loop filter. Control of all on-chip registers is via a simple 3-wire interface. The device operates with a power supply ranging from 2.7 V to 3.3 V and can be powered down when not in use.

Click here to download ADF4157BCPZ1 Datasheet
Click here to download ADF4157BCPZ1 Datasheet
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