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Security (anti-spam) Question: How many dits in 72?
Dits
Description
Record #
47
RevDate
Wed, 23 Apr 2014 18:26:43 -0500
Details
Original filter design used linked variable capacitors and had IL around 2dB. The Variacs used add another 2.5 dB but circuit should be OK on HF bands.
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SM7PNV-preselection4-25MHz.gif
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