[hpsdr] Alex TX board T1 and T2 Primary

[Tim O'Rourke]

You can get high count silver plated wire with Teflon fairly easily. 
Makes winding and soldering very easy.
PVC will work FB, just a tad bit more difficult to work with.
Tim 


-----Original Message-----
>From: "dlwaddel at netzero.net" <dlwaddel at netzero.net>
>Sent: Mar 24, 2013 7:03 AM
>To: hpsdr at lists.openhpsdr.org
>Subject: [hpsdr] Alex TX board T1 and T2 Primary
>
>***** High Performance Software Defined Radio Discussion List *****
>
>Would someone explain to me why the primary of T1 and of T2 of the Alex TX board requires teflon insulated wire versus PVC insulated or enamelled wire? The "Toroid Manufacturing Table" says "Plus a separate single turn winding, #18 teflon insulated thru center"
>
>FWIW, the parts list states the primaries are wire staples.
>
>Teflon insulated wire is quite costly for the mere four inches needed for T1 and T2 and I'm hoping I can use PVC insulated or bare copper wire that I have on hand.
>
>Thanks,
>Don K3DLW
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Tim O'Rourke 
W4YN at ARRL.Net
Low Power Amateur Radio Rocks 
Member of Flying Pigs,ARCI,GQRP,RSGB,ARRL Life Member
NHRA Life Member

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