[Amps] Parasitics & Filament Sag

[R L Measures]

On Sep 1, 2006, at 3:36 AM, Peter Chadwick wrote:

> Re these ringing transients - is it possible to simulate (shudder!)  
> the effect to determine its theoretical magnitude?

 From the early history of radio, we know that there were  
transmitters that generated over 1kW of RF -- and that it came about  
by using interrupted DC to ring a tuned circuit.

>> From deep in the past, I have a feeling that it's similar to the  
>> ringing that took place in a spark transmitter antenna circuit  
>> (the 'jigger'), and was affected by the logarithmic decrement of  
>> the circuit. At some value of logarithmic decrement, there was  
>> little output.............
> 73
> Peter G3RZP
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R L MEASURES, AG6K. 805-386-3734
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