SOLENOID3.EXE (search on Google) gives total interwinding (parallel)
capacitance of a single layer solenoid. For stray or shunt to ground,
assume the solenoid is a cylinder in a box or above a ground plane and
use the usual formulae to calculate the capacitance.
John Irwin wrote:
> Dudes
>
> Is there a rule of the thumb for guessing on the pi network stray
> capacitance? Plate to cathode capacitance one can get from tube data
> tables. Input pi capacitor minimum one can get from capacitor data sheet or
> measure on a z meter. One can not measure strays as the unit is yet to be on
> paper.
>
> What makes up this stray capacitance ? How do you get more,or less of it?
>
> john kb9tc
>
>
>
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