I would increase the step start resistor to 25 ohm and I would decrease the
bleeder resistors to 20K each.
Bob W6TR
----- Original Message -----
From: "Patrick Egloff" <pegloff@gmail.com>
To: <Amps@contesting.com>
Sent: Monday, December 31, 2007 1:41 PM
Subject: [Amps] My HV supply design.
> Hi all,
>
> I'm back in the "business" after several very busy months and i'm
> continuing
> my 2m amplifier project. (4CX1500B)
> I'm still collecting parts and i will start with the power supplies.
>
> I made a diagram of my HV supply and i'ld be happy if you could look on it
> and say if everything seems OK.
>
> I added :
> - step-start
> - glitch protection
> - current overload detection
> - voltage lack detection
> - current measure
> - voltage measure (both with external meters)
>
> I used the components i've actualy found. For example, the K1 ON/OFF relay
> could better be a DPST instead of a SPST...
>
> The diagram can be seen here :
> http://tk5ep.free.fr/tech/PA2m/datas/HV%20supply.gif
>
> Any comments are welcome.
>
> 73 and a very happy new year to all readers,
> Patrick
>
> --
> Patrick Egloff - TK5EP
> email : pegloff@gmail.com
> Fax : +33 826 698 954
> Web page : http://tk5ep.free.fr
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