[AMRadio] Re: Pw Supply

Geoff/W5OMR ars.w5omr at gmail.com
Thu Dec 7 14:41:12 EST 2006

ne1s wrote:
> Choke-input and capacitor-input filters have very different voltage 
> outputs, not to mention dynamic voltage-regulation. Also, 
> mercury-vapor rectifiers get VERY UNHAPPY looking into capacitor-input 
> filters. If you use MV rectifiers, you MUST use a choke-input filter. 
> With a choke input filter, you need to be cognizant of the minimum 
> current being sourced from the supply and the required critical 
> (minimumum) inductance of the choke. Do you have a period (1930's - 
> 1950's) handbook you can review?

It's also found in the 1981 ARRL Radio handbook, and I suspect most all 
others, in the Power Supply section. 
The later editions just don't talk about MV rectifiers.

73 = Best Regards,
Every Day of Freedom is a good day to thank a Veteran.

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