umars Posted November 18, 2014 Share Posted November 18, 2014 Hi. I am attempting to create a narrow band transmitter, over the range of 3GHz to 6GHz, using HackRF One and gnuradio-companion. Though, by cranking up the IF gain on the 'osmocom sink', I am able to see my desired peak on a Spectrum Analyzer, the problem is I also see atleast one other, usually bigger, peaks at other frequencies 100s of MHz away. I have tried to attach the program, but the forum informs me 'you aren't permitted to upload this kind of file' (and I've tried sending .grc, .py, and even renaming with a .txt). Please let me know what you need to know about the program, and I will send it. Thanks... -Umar. Quote Link to comment Share on other sites More sharing options...
KD6W Posted December 2, 2014 Share Posted December 2, 2014 Try sending a screen shot of the flow diagram and if possible a picture of your spectrum plot. Quote Link to comment Share on other sites More sharing options...
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