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Topic: mutual capacitance?
Replies: 103   Last Post: Jun 26, 2011 6:46 PM

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George Herold

Posts: 13
Registered: 9/8/08
Re: mutual capacitance?
Posted: Jun 17, 2011 4:31 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On Jun 17, 1:49 pm, RichD <r_delaney2...@yahoo.com> wrote:
> A network theorem states that every circuit has a
> dual; voltage sources become current sources, etc.
>
> But, what about mutual inductance?  Why is there no
> mutual capacitance?  By symmetry, shouldn't a 'mutual
> capacitor' exist, linking electric flux?
>
> --
> Rich


The other day I wanted to determine the corner frequency of an RC
circuit that feeds into an opamp. I couldn't 'break' into the circuit
to inject a little test signal, so I wrapped a bit of plastic coated
wire about the lead going into the opamp. This formed a bit of ?
mutual? capacitance between the wire and lead. (Each has separate
capacitance to ground.) I then sent a square wave into the wire, and
this gave me little charge pulses into the opamp/ RC circuit.

I'm not sure if this maps mathematically into mutual inductance,

George H.


Date Subject Author
6/17/11
Read mutual capacitance?
Rich Delaney
6/17/11
Read Re: mutual capacitance?
Phil Hobbs
6/17/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/17/11
Read Re: mutual capacitance?
Androcles
6/18/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/18/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/18/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/18/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/19/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/18/11
Read Re: mutual capacitance?
bjacoby@iwaynet.net
6/19/11
Read Re: mutual capacitance?
Repeating Rifle
6/19/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/20/11
Read Re: mutual capacitance?
bjacoby@iwaynet.net
6/20/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/20/11
Read Re: mutual capacitance?
Repeating Rifle
6/20/11
Read Re: mutual capacitance?
Jos Bergervoet
6/20/11
Read Re: mutual capacitance?
Repeating Rifle
6/21/11
Read Re: mutual capacitance?
Jos Bergervoet
6/18/11
Read Re: mutual capacitance?
Repeating Rifle
6/18/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/19/11
Read Re: mutual capacitance?
Repeating Rifle
6/19/11
Read Re: mutual capacitance?
bjacoby@iwaynet.net
6/19/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/19/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/19/11
Read Re: mutual capacitance?
Repeating Rifle
6/19/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/20/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/19/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/18/11
Read Re: mutual capacitance?
Rich Delaney
6/18/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/19/11
Read Re: mutual capacitance?
Fredi Fizzx
6/19/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/19/11
Read Re: mutual capacitance?
bjacoby@iwaynet.net
6/19/11
Read Re: mutual capacitance?
Repeating Rifle
6/19/11
Read Re: mutual capacitance?
Repeating Rifle
6/19/11
Read Re: mutual capacitance?
Fredi Fizzx
6/19/11
Read Re: mutual capacitance?
Jamie
6/17/11
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Darwin123
6/17/11
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root
6/17/11
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glen herrmannsfeldt
6/17/11
Read Re: mutual capacitance?
Brian Q. Hutchings
6/17/11
Read Re: mutual capacitance?
--
6/18/11
Read Re: mutual capacitance?
krw@att.bizzzzzzzzzzzz
6/18/11
Read Re: mutual capacitance?
Rich Delaney
6/18/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/18/11
Read Re: mutual capacitance?
Rich Delaney
6/17/11
Read Re: mutual capacitance?
George Herold
6/17/11
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Marnie Northington
6/17/11
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glen herrmannsfeldt
6/18/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/18/11
Read Re: mutual capacitance?
Darwin123
6/18/11
Read Re: mutual capacitance?
Repeating Rifle
6/21/11
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Darwin123
6/22/11
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Repeating Rifle
6/22/11
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Darwin123
6/18/11
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Jamie
6/18/11
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Globemaker
6/18/11
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Rich Delaney
6/17/11
Read Re: mutual capacitance?
Repeating Rifle
6/18/11
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Szczepan Bia³ek
6/18/11
Read Re: mutual capacitance?
Brian Q. Hutchings
6/22/11
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bjacoby@iwaynet.net
6/22/11
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Szczepan Bia³ek
6/22/11
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Brian Q. Hutchings
6/23/11
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Szczepan Bia³ek
6/24/11
Read Re: mutual capacitance?
Brian Q. Hutchings
6/25/11
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Szczepan Bia³ek
6/26/11
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Brian Q. Hutchings
6/17/11
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--
6/18/11
Read Re: mutual capacitance?
Rich Delaney
6/17/11
Read Re: mutual capacitance?
bjacoby@iwaynet.net
6/18/11
Read Re: mutual capacitance?
Rich Delaney
6/19/11
Read Re: mutual capacitance?
bjacoby@iwaynet.net
6/20/11
Read Re: mutual capacitance?
Jos Bergervoet
6/22/11
Read Re: mutual capacitance?
John Larkin
6/22/11
Read Re: mutual capacitance?
glen herrmannsfeldt
6/22/11
Read Re: mutual capacitance?
George Herold
6/23/11
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John Larkin
6/23/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
John Larkin
6/23/11
Read Re: mutual capacitance?
John Larkin
6/24/11
Read Re: mutual capacitance?
Jos Bergervoet
6/24/11
Read Re: mutual capacitance?
Androcles
6/24/11
Read Re: mutual capacitance?
John Larkin
6/24/11
Read Re: mutual capacitance?
Androcles
6/24/11
Read Re: mutual capacitance?
Androcles
6/24/11
Read Re: mutual capacitance?
John Larkin
6/24/11
Read Re: mutual capacitance?
Androcles
6/23/11
Read Re: mutual capacitance?
Szczepan Bia³ek
6/23/11
Read Re: mutual capacitance?
John Larkin
6/24/11
Read Re: mutual capacitance?
Szczepan Bia³ek

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