Amps
[Top] [All Lists]

Re: [Amps] series-connecting a split-stator variable cap

To: amps@contesting.com
Subject: Re: [Amps] series-connecting a split-stator variable cap
From: pegasus@mho.net
Date: Mon, 20 Mar 2006 04:50:19 -0700 (MST)
List-post: <mailto:amps@contesting.com>
I would also make sure the rotor shaft is WELL isolated from the front
frame (and your hand!) by using some kind of long non-conducting shaft
extention.  You don't want the value of the circuit changing as you touch
the tuning knob.
Dennis

> I have a dual (split-stator) 20-100pF air cap, 0.040" gap (so ~1500V)
> I need a single 15-50pF, 3000V for a tank tuning cap.
> So is there any reason I can't simply series-connect the split stators and
> float the rotor?  Obviously the rotor must be isolated from the chassis
> now, and I won't get 20/2=10pF min due to frame effects, but I only need
> 15...anything I'm missing?
> TIA,
>
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>


_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>