ten link chyba najfajniejszy....

http://www.nitehawk.com/rasmit/sa50.html

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poniżej pozostałe -)

http://www001.upp.so-net.ne.jp/jg1ead/speana/e_speana.html

http://hem.passagen.se/communication/tuner.html

http://www.qsl.net/va3iul/SA/spectrum_an.html

http://www.arrl.org/tis/info/pdf/9808035.pdf

http://www.arrl.org/tis/info/pdf/9809037.pdf

http://www.ac6v.com/homebrew.htm   LINKI

http://www.science-workshop.com/

http://users.imag.net/~lon.jbcumming/SATG.htm

· Spectrum Analzyer for the Radio Amateur By W7YOI, K7TAU

· Spectrum Analyzer for the Radio Amateur - Part 2

· W7ZOI/K7TAU Spectrum Analyzer Constructed by N8QOH

· AE4GX's version

· Web page for the W7ZOI spectrum analyzer featured in QST

· WB9LYH Microwave Spectrum Analyzer

Amateur Radio SoundBlaster Software Collection -DL9QJ

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http://www.google.pl/search?num=100&hl=pl&q=homebrew+spectrum+analyzer&btnG=Szukaj&lr=