Amps
[Top] [All Lists]

Re: [Amps] Parasitics & Filament Sag

To: g3rzp@g3rzp.wanadoo.co.uk
Subject: Re: [Amps] Parasitics & Filament Sag
From: R L Measures <r@somis.org>
Date: Fri, 1 Sep 2006 04:21:32 -0700
List-post: <mailto:amps@contesting.com>
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
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>

R L MEASURES, AG6K. 805-386-3734
r@somis.org



_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>