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In Reply to: RE: Thank you for the explanation, posted by dave slagle on May 31, 2015 at 10:34:29
I paralleled the 126B and used as a plate choke, then DC coupled the 300B to the GM.
Changed bias scheme slightly
Follow Ups:
yes.... kinda....
when you parallel the wires of a transformer you do not double the inductance or current carrying capability so you still end up with a 44hy 30ma device.
dave
but why wouldn't I end up with 60ma? Wouldnt each winding be rated at 30ma x 2?
Either way, that's pretty slick, never knew these could double as a plate choke. Thanks for the info!
Edits: 06/04/15
The Bdc (DC flux) in a transformer is directly related to the amp-turns of current in the windings. When you parallel two identical windings, you do not change this relationship since you still have the same amount of current going through the same number of turns of wire. The DCR does typically get cut in half but that is about it.
dave
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