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February 1999

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Subject:
From:
Ray Smith <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Fri, 12 Feb 1999 14:37:02 -0800
Content-Type:
text/plain
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text/plain (81 lines)
The book has ISBN number 0-89006-436-9


isWalter Williams wrote:

> > > Capacitance of a parallel plate capacitor (or parallel copper
> planes)
> > > is given as:
> > >
> > >       C = Eo x Er x A
> > >           -----------
> > >                D
> > >
> > > Where:
> > >        C  = capacitance in Farads      (F)
> > >        Eo = permittivity of free space (8.854 x 10exp-12) (F/m)
> > >        Er = relative permittivity  (typically FR-4 is 4.6 at 1
> MHz)
> > (no units)
> > >        A  = area of the plates (or planes) (m x m)
> > >        D  = distance between plates (or planes) (m)
> > >
> > > This equation neglects fringing effects.
> >
> ------------------------------------------------------------------------------------------------------------
>
> >
> > Also assume that:
> >
> > D << length (for "A" dimension)
> >
> > D << width (for "A" dimension)
> >
> > Er >> Eo
> >
> >
> > From "Transmission Line Design Handbook"
> > by Brian C. Wadell
> > A book all designers of RF and high speed circuits should invest in.
>
> > It includes formulas for all types of printed devices.
> > spiral inductors, capacitors, resistors, T junction, Y junction,
> > microwave bends etc.
> >
> > Raymond Smith
> > Sr. PCB Designer
> > Tellium
> > Oceanport, N.J. 07757
> > [log in to unmask]
> >
>
> Hey
> Do you have an ISBN number for the for mentioned book??? Please?
>
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