[Amps] HF2500 Power Supply Caps

[Carl]

Insane cap values are not for commercial ham amps, 8  470uF is about a good 
limit that allows a reasonable size glitch resistor of 20-25 Ohms 25W but 
should use a step start. 330uF is safer without a step start.

Carl
KM1H



----- Original Message ----- 
From: "Steve" <g8gsq72 at gmail.com>
To: <amps at contesting.com>
Sent: Monday, April 07, 2014 10:54 AM
Subject: Re: [Amps] HF2500 Power Supply Caps


> Make sure your transformer is up to it - big caps can mean higher peak 
> currents and more I^2xR in the windings.
>
> Steve
>
>
>> ##  600-1000uf caps cost very little these days..so why cheap out ? 
>> Caps are
>> cheap on the surplus market as well.
>> IMO,  1%  ripple is the minimum that you should be aiming for  in a HV 
>> supply.
>>  That implies 600 uf caps vs 200 uf caps.
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