[hpsdr] norton amps

[FRANCIS CARCIA]

Dallas Lankford gave me some Norton circuits that I tried with a pair of 2N5109s at 60 ma bias each. The 3 dB mds was better than -140 dBM. The 8 KHz. 40.455 MHz crystal filter after it fell apart before the the amplifier did. I used type 43 2 hole cores. gfz
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