SDRplay as a direct circuit Spectrum Analyzer?

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DENM
Posts: 1
Joined: Sun Feb 19, 2017 3:41 pm

SDRplay as a direct circuit Spectrum Analyzer?

Postby DENM » Wed Feb 22, 2017 2:27 am

When you set aside demodulation, what about a somewhat simpler use of this system?

Maybe a crazy idea, and SDRplay management may not condone, but would/could it make sense with appropriate input attenuation (and perhaps) impedance matching, to use SDRplay plus as a tool for direct spectral measurement of a signal chain in radio or filter circuit design?

Yes, one would have to be careful, and could blow out the SDRplay hardware, and maybe even your PC if you don't watch out, but it should work, right?

Thanks, DENM
Last edited by DENM on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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someYguy
Posts: 46
Joined: Sun Apr 10, 2016 7:12 pm

Re: SDRplay as a direct circuit Spectrum Analyzer?

Postby someYguy » Mon Feb 27, 2017 5:47 am

Not crazy at all, and you can indeed use your SDRPlay RSPx as a good test instrument. See my posts about this here:

http://www.sdrplay.com/community/viewtopic.php?f=7&t=1562

And here:

http://www.sdrplay.com/community/viewtopic.php?f=7&t=1744

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