Hello
I noticed a preselector for the sdr (ak modul), anyone experiences with this
or other pre-amplifiers/selectors?
best
jan
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SDR preselector
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by sarma » Wed Aug 26, 2009 12:00 am
Miniwhip active antenna designed by Roelof Bakker, PA0RDT is simple to make, thanks to Bakker, has good reputation for its performance.
In fact you can add another 74HC4051 and the control pins and power extended to that. antenna can be at common input . at the output we can have many bandpass filters. ( tree outputs still remain unused in present design)
Perhaps, Elektor Electronics can publish his circuit under some arrangement with him.
In fact you can add another 74HC4051 and the control pins and power extended to that. antenna can be at common input . at the output we can have many bandpass filters. ( tree outputs still remain unused in present design)
Perhaps, Elektor Electronics can publish his circuit under some arrangement with him.
- sarma
- Posts: 155
- Joined: Thu Jan 02, 2014 10:36 am
2 posts
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