[Amps] caps across rectifier diodes

[d.cutter at ntlworld.com]

Funny you should say that: years ago when I was having a mil psu tested at Dayton T Brown, they noticed a spike around 21MHz and they said that was due to the input rectifiers.  Don't recall how it was solved but they said it was quite a common phenomenon.

David
G3UNA

---- Doug Renwick <ve5ra at sasktel.net> wrote: 
> Sorry? ... on the contrary.
> I believe the answer from the archives is "capacitors prevent RF from
> being rectified in the diodes, and generating harmonics."
> 
> Doug
> 
> The train doesn't stop here anymore. 
> 
> -----Original Message-----
> 
> Doug Renwick wrote:
> >If a 1N5408 diode is considered a modern diode, then why does Ameritron
> >go to the added expense of adding .01M 1KV caps across each diode?
> >
> Oh, you're going to be sorry you asked this...
> 
> Go to the Amps Archives at <http://tinyurl.com/c5knt9>
> and then keep clicking and reading "next in thread".
> 
> We beat it to death but the issues and answers are all there.
> 
> Then just for laughs, one Amps member ended the topic with a bang: 
> <http://tinyurl.com/ap87rl>
> 
> 73 from Ian GM3SEK
> http://www.ifwtech.co.uk/g3sek
> 
> 
>