From: S. Weir (email@example.com)
Date: Fri Mar 24 2000 - 18:48:55 PST
The series capacitor equation applies if you measure the capacitance of the
two outer plates, d_eff = 2d
Since these are at the same potential, ( DC anyway ), that equation isn't
of much practical value for this situation. Charge stores on the inner
side of each plate, so C_total = 2C.
At 02:54 PM 3/24/2000 -0800, you wrote:
>This sounds very much like two caps in series to me so the value would
>go down by 1/2 assuming the er and h are the same for both caps. Somehow,
>this doesn't *feel* right to me. I think I am missing something here.
>>2. If you have a power plane sandwiched between 2 ground planes, does the
>>parallel plate capacitance double for a given area?
>>Sr. Design Engineer
>>DPT & Adaptec Companies
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