Search found 2 matches

by apl
Wed Dec 20, 2017 2:49 pm
Forum: Antennas
Topic: SDR Antenna Analyzer
Replies: 3
Views: 4519

Re: SDR Antenna Analyzer

Good point! Per the product website, the noise source "generates a wide spectrum of white noise up to several hundred MHz." One could probably use the SDR to see at what frequency the source output gets too close to the noise floor of the system to give meaningful characterization of the antenna. Ma...
by apl
Tue Dec 19, 2017 4:28 pm
Forum: Antennas
Topic: SDR Antenna Analyzer
Replies: 3
Views: 4519

SDR Antenna Analyzer

So I'd seen this: https://www.rtl-sdr.com/using-the-airspy-as-a-vector-network-analyzer-for-characterizing-antennas/ ...which is fun, especially since I'm working on an antenna anyway. Then I found this: http://qrpguys.apps-1and1.com/k7qo-noise-bridge ...and this fits the function of noise source an...