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Philco 46-1201 code 128
#3

Rod,
The 128 uses a voltage doubler circuit rather than the half wave rectifier that the 122 uses. The voltages listed on the schematic are low enough that you should be able to use 250v units. A pair of 22mf (101 & 102)and a 47mf (104's) should be fine.

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry


Messages In This Thread
Philco 46-1201 code 128 - by Chris Drumma - 03-18-2020, 08:20 AM
RE: Philco 46-1201 code 128 - by RodB - 03-18-2020, 09:47 AM
RE: Philco 46-1201 code 128 - by Radioroslyn - 03-18-2020, 11:16 AM
RE: Philco 46-1201 code 128 - by RodB - 03-18-2020, 01:25 PM
RE: Philco 46-1201 code 128 - by Radioroslyn - 03-18-2020, 01:57 PM
RE: Philco 46-1201 code 128 - by Chris Drumma - 03-18-2020, 06:09 PM
RE: Philco 46-1201 code 128 - by Radioroslyn - 03-18-2020, 07:32 PM
RE: Philco 46-1201 code 128 - by Chris Drumma - 03-27-2020, 04:49 PM
RE: Philco 46-1201 code 128 - by Radioroslyn - 03-28-2020, 03:44 PM



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