Tube DIY Asylum

RE: Switching PS for filaments

151.197.124.210

In Reply to: RE: Switching PS for filaments posted by gluca on June 28, 2008 at 12:32:23

hey-Hey!!!,
I'd suggest leaving out some pieces and heating the filaments with HF AC. No need to rectify it again for one. Also, given I've come to agreement with the reasons behind the CCS-based isolation the small coupling TX will do a very fine job at isolating the filaments from everything else.

Do a good job of rectifying the DC supply it will work from( in a forward conveter, open loop and;switching at 300 kHz on a 50% duty cycle ). Use good diodes and caps, and isolate it well from the rest of the amp.

Go to FairRite.com and download their design instructions and see what it'll take to build what you need.
cheers,
Douglas

Friend, I would not hurt thee for the world...but thou art standing where I am about to shoot.

Follow Ups:

link again pls - gluca 09:12:28 07/01/08 (1)
- RE: link again pls - PakProtector 09:28:32 07/01/08 (0)

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