[Neuroscience] Re: Equation that explains the behaviour of a
circuit in voltage clamp
Bill.Connelly
via neur-sci%40net.bio.net
(by connelly.bill from gmail.com)
Sat Apr 4 16:57:34 EST 2009
On Apr 5, 3:26 am, r norman <r_s_nor... from comcast.net> wrote:
> Icap = C dV/dt
>
> The resistance (conductance) is not involved.
> C is a constant, easily measured. V(t) is known, hence dV/dt is
> known.
But that can't be right, because that in response to a step, where dv/
dt = infinity, Icap = ifinity. But in reality it's Rs*V. It's the
pressence of Rs that is screwing everything up. if it isn't for Rs,
the current can be explained as Itot = V/Rm + C dV/dt
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