On 04/12/2012 01:13 PM, Mike Westfall wrote:
I've got a big black plastic knob on the thing. I think the main
problem is that the tuning capacitor is mounted inside the loop, and I
get hand capacitance effect without even touching the capacitor or the
knob.
What is the design of that loop Mike?
I have built quite a few of them, and with a center-tapped primary and a
split-stator tuning capacitor with the capacitor frame connected to the
loop center-tap and mounted just below the loop, I haven't had any
hand-capacitance issues. The center-tapped loop with a split-stator
capacitor also gives you a better loop balance and that means deeper and
symmetrical nulls.
Rick Kunath
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