[Boatanchors] Transformers and Chokes Source

[Glen Zook]

Go to Radio Shack and purchase 2 6.3 volt filament transformers.  Hook the primary of 1 to the AC line.  Then hook the filament windings together and run the heater ("filament") of the 6AU6 from this junction.  Finally, use a half-wave rectifier from the "other" primary winding for the B+.

I have done this many times over the years when I needed about 150 VDC.

Glen, K9STH

Website:  http://k9sth.com


--- On Thu, 10/8/09, Lee Buller <k0wa at swbell.net> wrote:

I need to build a power supply for a VFO - like a VF-1.  I have not done this in years, although I remember how.  My junk drawer is not heavy with transformers and chokes.  No pun intended.  Where do you find these things easily... Ebay?  Antique Electronics?  Suplus Sales of Nebraska?