IP-20 Power Supply

[Gene A Nailon]

FROM: Gene Nailon  K5DLE  k5dle at juno.com
Edmond, OK  73034
28 Feb. 2001

I hope this helps John.

Gene
---------------------------------------
On Wed, 28 Feb 2001 14:03:30 EST "John C. Mondary" <M0NSTROSIT at AOL.COM>
writes:
> Folks,
>
> Yes, it is me again with another stupid question. Only this time it
> is about
> an IP-20 Transistorized Regulated Power Supply that belongs to a
> friend.
>
> The parts list has listed the following:
>
> Heath Part No.              Component
>
> 56-8                              Germanium Diode
> 56-13                             56 V Zener Diode
                                          1N5943A, 1N5370A

> 57-27                             Silicone Diode
                                          1N20971, 1N4005    750ma. - 1A.
@ 500-600V

> 57-29                             Silicone Diode
                                          SIL, 100V, 750ma. SELECTED.
>
> I need some help with the above. Any specs? Any suggestions for
> replacement
> part numbers, other than Heath?
>
> I am also looking for a couple of transistors.
>
> 2N398A     Heath Part No. 417-43
> 2N2147      Heath Part No. 417-44 (This is a matched pair)
>
> Any and all help will be greatly appreciated, again.
>
> John
> Indy
> "Where are we going, and why am I in this handbasket?"
>
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