[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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