Amps
[Top] [All Lists]

Re: [Amps] Parasitics & Filament Sag

To: amps@contesting.com
Subject: Re: [Amps] Parasitics & Filament Sag
From: Steve Thompson <g8gsq@eltac.co.uk>
Date: Sun, 03 Sep 2006 13:15:08 +0100
List-post: <mailto:amps@contesting.com>
>>> Steve --- There are two resonant circuits in the output  circuitry,  one
>>> HF and one VHF. The HF (near)*-resonant part has a broad, shallow   dip.
>>> The VHF part has a sharp, deep dip that can suck a dipmeter out   of 
>>> osc.
>>> when coupled too close.
>>>  Does make sense that the HF one rings and the VHF one does not ring?
> 
> 
>> It does to me when I think about the time it takes to go from  conduction
>> to cutoff with the usual bias switching in a g-g amp.
> 
> 
> Why would the rise/fall transient time be faster through the HF  
> resonance than the rise/fall time through the VHF resonance?
It's not.

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

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