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FM Anten Amplifikatörü

Uzak yerlerde veya köylerde FM(UHF/VHF) sinyalerini yükseltmek için kullanılabilecek devre.

activefm.gif

Eleman listesi;

     R1 = 27K      R2 = 270 ohm      R3 = 1K   Tr1,Tr2 = 22pF, trimmer cap (15-40pF)   C1,C2 = 5.6pF      C3 = 0.001uF (1nF), ceramic   C4,C5 = 10pF, ceramic      C6 = 0.1uF (100nF), ceramic       Q1 = 2SC2498, 2SC2570, 2N5179, SK9139, or NTE10. NPN VHF/UHF transistor      L1 = 4 turns of 20SWG magnet wire, 5mm diameter. (so-called 3T+1)      L2 = 3 turns of 20SWG magnet wire, 5mm diameter.

kaynak :
http://www.uoguelph.ca/~antoon/circ/activefm.html

 

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