[Amps] pi network stray dogs

Tomm Aldridge KD7QAE at ARRL.NET
Wed Apr 6 21:17:52 EDT 2005


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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