[Amps] Choke-input with voltage doubler?

[Larry Keith]

> > 
> > 
> > My friend obtained a 1000-VCT brute of a
> transformer, weighs 25 lb. Old Chicago Transformer,
> potted, looks mil-surplus. I assume it was made for
> a choke-input filter. He wants to use the full
> secondary with a full-wave voltage doubler. This
> will be for a linear that will be used for
> continuous-carrier DSB AM. Looks as though two
> chokes would be required? Thanks.
> 
> If you derate the transformer for output current,
> the chokes are not 
> necessary. 

So, I should de-rate by 10% or so?



 You can also lower the peak factor on
> the windings by 
> adding a small inductance in series with the primary
> to spread out the 
> rectifier conduction time.

Small as in the inductance of filament transformer in
series with the primary?

Tnx for the help!

73,

Larry
KQ4BY


Larry Keith 
231 Shenandoah Trail 
Warner Robins, GA 31088-6289 
kq4by at rocketmail.com 
478-329-0030 (home)


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