[Date Prev][Date
Next][Thread Prev][Thread Next][Date
Index][Thread Index]
Re: Capacitor Selection
Ahhhh, right on cue...
> I think it's about time some of the electronic buffs on here put us
all
out of our misery...?!?
----- Original Message -----
From: "Frank Mc Alinden" <fmcalind@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Monday, August 04, 2003 12:26 PM
Subject: Re: [ukha_d] Capacitor Selection
Hi Tim
Like James forgotten all my theory.....But i would suggest use
low leakage and higher temp caps would be better to use i think than
dropping to the lower temp ones..As Keith D mentioned recently in a post
Electrolytic caps tend to dry up (esp in a hot enviroment) and when they do
you get a lot of ac ripple on your power supplies and this causes a hum
coming from the amp.......Drop Keith a line ..im sure he will put you
right......
HTH
Frank
----- Original Message -----
From: Hawes,Timothy Edward (GEG)
To: ukha_d@xxxxxxx
Sent: Monday, August 04, 2003 8:27 PM
Subject: RE: [ukha_d] Capacitor Selection
James, Andy,
Thanks. I'm still a bit confused though as the "CV" was related
to leakage
current i.e. leakage current: 0.01CV or 4ľA (whichever is greater).
Any thoughts ?
Tim H.
(wishing I'd paid more attention at school now too . . .)
-----Original Message-----
From: James Hoye
> I think I know the equation you're talking about: Q = CV.
> As far as I remember, Q is the charge is Columbs, C is the capacitance
in
> Farads and V is the voltage (in Volts) across the plates.
>
> Not sure if this helps at all in this instance.
Ooops... I was way out :$
Yes it was Q = CV.
Funny how you spend months doing things like AC theory and never actually
seem to use them once you've done the exam.
James H
+
Home |
Main Index |
Thread Index
|