Short Wave Coil

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Short Wave Coil

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pwdrive

Senior Engineer in Charge

Posts: 7,416
Reputation: 13
Location: Cornwall

#13

20-10-2016, 12:45 PM

Sorry, my apologies for the spelling, bifilar coil is easy, hold between thumb and forefinger two wires side by side and get winding, I've done that when building regen shortwave receivers, makes for nice turns spacing and the spacer wire can be unwound until there's just a few turns left, full winding is for tuning and use those few turns left of the spacer wire for a coupling winding, neat and simple.

Lawrence.

http://www.gridwatch.templar.co.uk/index.php

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Messages In This Thread

Short Wave Coil - by Sparks - 19-10-2016, 06:45 PM

RE: Short Wave Coil - by AlanBeckett - 19-10-2016, 07:10 PM

RE: Short Wave Coil - by Hartley118 - 19-10-2016, 09:09 PM

RE: Short Wave Coil - by Sparks - 19-10-2016, 09:32 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 06:56 AM

RE: Short Wave Coil - by Sparks - 20-10-2016, 08:55 AM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 09:00 AM

RE: Short Wave Coil - by Sparks - 20-10-2016, 09:29 AM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 09:53 AM

RE: Short Wave Coil - by Mark Hennessy - 20-10-2016, 12:15 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 12:15 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 12:24 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 12:45 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 12:52 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 01:01 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 02:33 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 02:40 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 02:48 PM

RE: Short Wave Coil - by Mike Watterson - 20-10-2016, 03:24 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 03:41 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 04:12 PM

RE: Short Wave Coil - by Hartley118 - 20-10-2016, 04:11 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 05:25 PM

RE: Short Wave Coil - by pwdrive - 20-10-2016, 05:34 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 05:51 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 06:01 PM

RE: Short Wave Coil - by Mike Watterson - 20-10-2016, 06:11 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 06:29 PM

RE: Short Wave Coil - by Mike Watterson - 20-10-2016, 07:39 PM

RE: Short Wave Coil - by Sparks - 20-10-2016, 08:29 PM

RE: Short Wave Coil - by Mike Watterson - 21-10-2016, 06:58 AM

RE: Short Wave Coil - by Sparks - 21-10-2016, 07:29 AM

RE: Short Wave Coil - by Mike Watterson - 21-10-2016, 09:42 AM

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