To: | rsgb_lf_group@blacksheep.org |
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Subject: | LF: Re: Re: RE: GAIN |
From: | "John Andrews" <w1tag@charter.net> |
Date: | Tue, 1 Apr 2003 11:59:37 +0100 |
References: | <LEEGIKOMHIEKBPDOHLOIIENJCFAA.we0h@gentekcom.com> <002b01c2f824$ecb39b60$2602a8c0@WorkGroup> |
Reply-to: | rsgb_lf_group@blacksheep.org |
Sender: | <owner-rsgb_lf_group@blacksheep.org> |
Mike, I have seen people use 'series' and 'parallel' resonating when talking about loops, but what is the difference - surely if it is a continuous loop they are both the same? Can someone clarify, please. The difference is in the coupling method. The "series" version uses a step-down transformer between the transmission line and the loop, with the low-impedance secondary wired in series with the loop and tuning capacitor. The "parallel" version uses a step-up transformer, with the high-impedance secondary placed across the tuning capacitor. The performance of the antenna should be the same in either case. John Andrews, W1TAG |
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