Re: wire length, clarification
Subject: Re: wire length, clarification
From: chip (Chip Atkinson)
Date: Tue, 29 Nov 1994 08:25:35 +0700
>>> That is: a one meter wire will be resonant
>>> at 4 meters. (call it 70 MHz, roughly...). But. Take that same wire
>>> and wind it onto a single layer coil. It Now "looks" "longer". It will
>>> now resonate at (roughly) 2 meters (call it 144 MHz...8)>>).
A) I didn't know that. In fact, I have never heard it. Perhaps that is why
my second coil never gave a spark more than 1/4" long. So what you are
saying is in essence that one should wind a coil with a length of wire
approximately 1/8 the wavelength of the desired frequency?
B) If the wire "looks longer", wouldn't that make it resonate at 8 meters and