SIMPLE_JFET_PRESELECTOR

Published:2009/7/9 1:14:00 Author:May | From:SeekIC

This preselector will improve the performance of simple shortwave receivers. L2 is tuned with Q1.The inductance of L2 is:and L1is found around the cold end of L2. Typically, L1 has 10％of the turnsin L2, or one turn, which-everis larger．



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