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Re: [Amps] Filter capacitors

To: Carl <>
Subject: Re: [Amps] Filter capacitors
From: Robert Logan via Amps <>
Reply-to: Robert Logan <>
Date: Tue, 22 Apr 2014 19:05:31 -0500
List-post: <">>
Very thoughtful, Carl.  Thank you.  Bob

Sent from my iPhone

On Apr 22, 2014, at 4:52 PM, "Carl" <> wrote:

It all depends on what they are used for....

If its capacitor input followed by a choke the output will be higher, 
especially at low or no load. Sometimes tube rectifiers or something else will 
complain. For SS the inrush may hurt wimpy diodes.

If choke input the output B+ wont raise much as the bleeder current holds it 
down, ripple will be reduced and regulation better.

If its just a simple C only PS the no to full load regulation will be better 
and ripple less; more inrush current.


----- Original Message ----- From: "Robert Logan via Amps" <>
To: <>
Sent: Tuesday, April 22, 2014 5:39 PM
Subject: [Amps] Filter capacitors

> Are there any adverse effects to doubling the capacitance (leaving voltage 
> ratings at spec) of an electrolytic in a 300 or an 800 voltage power supply?  
>  I have new ones on hand to replace old, leaky ones.  Thanks for any advice.  
> Bob NZ5A
> Sent from my iPhone
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