[AMPS] a sticky issue.

[W8JI@contesting.com (Tom Rauch)]

> Someone is certainly confused here.  The HF RF bypass cap will 
> reduce 1.8 MHz ripple on the electrolytics.  The problem with
> ripple currents in the electrolytics has to due with resistive heating,
> The designer usually sizes the caps to meet a ripple current heating
> specification and if that ripple increases due to plate voltage swing
> leaking back through the plate choke, the PS filter caps will operate at
> increased temperature and somewhat reduced life.

I must not follow what Rich has running through his mind on this 
one.

I can't imagine a capacitor being banged every half-cycle by 
thousands of volts of rectified AC suddenly having a problem with 
an additional dozen volts!


73, Tom W8JI
w8ji@contesting.com

--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com