[hpsdr] Alex TX board T1 and T2 Primary

[Helmut, DC6NY]

Hi Don,

I see no problem to use PVC coated or enameled wire in that frequency/power
range. But you can also take a small piece of the inner conductor of thin
teflon coax if available.

73, Helmut, DC6NY

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Von: hpsdr-bounces at lists.openhpsdr.org
[mailto:hpsdr-bounces at lists.openhpsdr.org] Im Auftrag von
dlwaddel at netzero.net
Gesendet: Sonntag, 24. März 2013 12:03
An: hpsdr at lists.openhpsdr.org
Betreff: [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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