🚀 go-pugleaf

Precisely. That is why good hifi systems NEVER use carbon resistors in
the audio path.


"Roger Lascelles" <rogerl@tpg.net.au> wrote in message news:<3c3ea447@dnews.tpgi.com.au>...
> I read that carbon film is inferior to metal film at 500 MHz ?? up.  The
> writer said that carbon acts like lumps joined together by tiny points of
> contact and there is capacitance between the lumps.  So you may want metal
> film - which is what many SMD parts are.
> 
> Roger
> 
> 
> "Russell Shaw" <rjshaw@iprimus.com.au> wrote in message
> news:3C3E2DF7.27B47935@iprimus.com.au...
> > Hi all,
> >
> > I need to make small resistors (10-200ohms) operate at a
> > few GHz, and so be non-inductive/capacitive. I can do it
> > by depositing carbon paste with a stencil.
> >
> > What binder could you mix with carbon powder that remains
> > conductive?
> >
> > Is there carbon ink that stays conductive?
> >
> > Can carbon be vacuum deposited?
> >
> > How is carbon put onto the tracks of potentiometers?
> >
> > --
> >    ___                                           ___
> >   /  /\                                         /  /\
> >  /  /__\ Russell Shaw, B.Eng, M.Eng(Research)  /  /\/\
> > /__/   / Victoria, Australia, Down-Under      /__/\/\/
> > \  \  /                                       \  \/\/
> >  \__\/                                         \__\/