Not 60 Hz...the signal frequency is canceled and choked and finally grounded
at the filament supply end. Separate rods will provide the choking action
but not the cancellation.
IMHO
Dick K9FFK
> -----Original Message-----
> From: amps-admin@contesting.com [mailto:amps-admin@contesting.com]On
> Behalf Of wb8jkr@juno.com
> Sent: Monday, August 12, 2002 6:55 PM
> To: andromeda@seanet.com; AMPS@contesting.com
> Subject: Re: [Amps] Filter
>
>
>
> I think bifilar winding also allows the 60 Hz current to cancel in the
> core.
>
> Mark WB8JKR
>
>
> On Mon, 12 Aug 2002 15:22:51 -0700 Dennis Watkins <andromeda@seanet.com>
> writes:
> > Why bifilar???
> >
> > Phil Clements wrote:
> >
> > > > Is it necessary to use a bifilar winding choke (for GG amp)
> > > > for filament or can two separate ferrite rods be used??
> > > >
> > > > Dennis W7JX
> > >
> > > Winding should be bifilar, but donut style can be used as
> > > well as rods.
> > >
> > > (((73)))
> > > Phil, K5PC
> >
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> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
> >
>
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