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Sensitive field-strength meter

2017-08-19 17:41  
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Increased sensitivity gives field strength reading from low power transmitters. Operating range 3-30 MHz
Sensitive field-strength meter

To operate, adjust R for Vz to Yz scale reading. RFC = 2 mH choke, C = 1,000 pF, R = 50 K pot, M = 0 - 1 mA, D IN34 or 1N60 (Germanium), Q = NPN (RCASK3020, 2N3904 or equivalent).



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