Electronics > Projects, Designs, and Technical Stuff

RF Synthesizer IC

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perdrix:
Hi folks

I'm looking for a synthesizer chip that will go from very near DC (0.1Hz or so) up to (say) 1 or 2GHz.

Is there anything that will do this?  I couldn't find one that fitted the bill on Analog Devices site.

Thanks
David

KaneTW:
You pretty much need DDS or two separate synths (DDS + PLL) for that.

https://www.analog.com/en/products/ad9914.html does DDS up to 1750MHz.

perdrix:
Oh dear LFCSP-88 with a pad underneath.   Not something I fancy soldering at home ... 

Sadly the eval board is a bit more than I would like.

David

KaneTW:
I would just split it into two signal paths. That's how basically everyone does it.

LFCSP-88 is fairly solderable IMO, but i understand the trepidation with a $160 IC.

radar_macgyver:
You'd likely need multiple signal paths anyway since a single amplifier operating from 0.1 Hz to 1 GHz is in itself quite hard.

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