[Milsurplus] WTB Manuals and Power Supply Question
Bob Camp
ham at cq.nu
Mon Sep 27 19:58:16 EDT 2004
Hi
The really cool way to do the power supply thing these days is to use
one of the free spice programs that you can download off of the
internet. They will let you figure the whole thing out for any
combination of parts.
There are a bunch of graphs for doing the same thing from back in the
1930's and 40's. They are a bit hard to find these days unless you have
a good collection of old radio books.
Most receiver loads do not require much messing around. A CW
transmitter might need a bit of thought. An AM transmitter probably
puts a stable enough load on the supply to get away without the
bleeder.
Take Care!
Bob Camp
KB8TQ
On Sep 27, 2004, at 12:35 AM, Mike Hardie wrote:
> Gents:
> WTB:
> 1. Surplus Conversion Manual #3
> 2. How To Use Grid Dip Meters by Rufus Turner
>
> Power Supply Question: Is there a simple way of calculating the
> required
> total load resistance (actual load resistance "plus" bleeder
> resistance) for
> a choke input power supply?
> Mike VE7MMH
>
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