[Amps] Bleeder Resistor Qusetion

[R.Measures]

>On Sun, 16 Nov 2003 18:31:03 -0800, R.Measures <r at somis.org> wrote:
>
>>**  With a resonant-choke filter, enough bleeder current must flow to 
>>keep the output V from soaring during RX. 
>
>_________________________________________________________
>
>Even with a non-resonant choke filter, you can get some surprisingly
>high voltage spikes when the load varies suddenly.  I once made a ~150
>volt DC supply for test purposes and was easily able to get 300 volt
>spikes when suddenly removing a resistive load.  

^^  There must have been a lot of L in the filter cap.  What was the 
bleeder resistance, Bill?

>Bleeders will help to
>alleviate this condition, as will having a large output C, but careful
>evaluation is needed before putting such a supply into operation.
>
>--
>Bill, W6WRT
>
>_______________________________________________
>Amps mailing list
>Amps at contesting.com
>http://lists.contesting.com/mailman/listinfo/amps
>