Re: [TCML] Sec design trade-offs and considerations

[Ed Phillips <evp@xxxxxxxxxxx>]

And there is a single turn roughly the size described.
Bart

Chris Swinson wrote:
Finn,

There are 2 circuits with in effect 2 tanks caps, one does the work 
1,000uF which is discharged into 10nF 1uH primary, about 2mhz. the 
1,000uf just supplys the current, really there are 2 tank circuits in 
operation.

Chris"

   In the "good old days of spark"  hams had a minimum allowed 
operating wavelength of 200 meters [~1500 kHz] and the the limit to the 
power they were able to run, law or not, was the physical size of the 
single-turn tank inductor which would resonate with the maximum useful 
primary capacitane of 0.01 ufd and the practical upper limit of primary 
voltage to about 25 kV [some guys used pole pigs even in those days] set 
their power.  Primary was invariably a single turn of wide copper ribbon 
and it and the capacitor were connected to the spark gap [rotary for 
those who could afford it] with the shortest possible leads. 

Ed

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