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SW Loop antenna for TA7642 (MK484)

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andreidaniel

Post subject: SW Loop antenna for TA7642 (MK484)

Posted: 15 May 2011 6:22 pm

Joined: 03 May 2011 3:16 pm
Posts: 95
Location: Romania,Iasi City

Hi.Here is a design of an SW radio using MK484 http://www.zen22142.zen.co.uk/Circuits/rf/ZN414SW.htm ..can you help me in making a good loop antenna without interfering during the day with the local station on MW?I want to receive between 6 to 9MHz.

Thanks,
Andrei

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joeberesf

Post subject: Re: SW Loop antenna for TA7642 (MK484)

Posted: 16 May 2011 12:50 am

Joined: 23 Feb 2011 4:31 pm
Posts: 71
Location: Berlin / Germany

Hi Andrei,
try this link. I only use a MW loop antenna.
http://www.kr1st.com/swlloop.htm

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Geek

Post subject: Re: SW Loop antenna for TA7642 (MK484)

Posted: 16 May 2011 2:17 am

Joined: 08 Aug 2009 3:11 am
Posts: 1004
Location: Chilliwack, BC

The key to great loop performance is balance. Make your loop as symmetrical as possible.

I've made loops like the one Joe has in his link... noise-killer directional :thumbsup:

Cheers!

_________________
-= Gregg =-
* Ratings are for transistors - tubes have guidelines*
Home: GeeK ZonE
Work: Classic Valve Design

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