[Amps] Loaded output circuits

Alex Eban alexeban at gmail.com
Mon Aug 31 23:15:44 PDT 2009


What are you guys talking about?
	Most of us use the amplifiers on SSB: that has a peak to average of
about 1 to 5. not only that, the peaks are reached about 5% of the time so
for the most time we are running peak tuned and underpowered 95% of the time
! Sooo the efficiency is in any case low (the average, which is the
important one!). the discussion has meaning only if we consider some
steadystate mode like CW or digital mode.
	Please, don't start a flame over it: the discussion IS instructive
especially for the newer guys. Don't destroy it by getting personal!!!
Alex	4Z5KS
 

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of Bill, W6WRT
Sent: Monday, August 31, 2009 6:50 PM
To: amps at contesting.com
Subject: Re: [Amps] Loaded output circuits

ORIGINAL MESSAGE:

On Mon, 31 Aug 2009 01:20:34 -0400, "Joe Subich, W4TV" <lists at subich.com>
wrote:

>
>Bill, stop changing the question to suit your point of view. 
>The original question was about operating at the lower output 
>power level with the higher plate voltage.  The only person 
>who ever said anything about not properly tuning the amplifier 
>for the operating power level was you.  

REPLY:

Oh please, Joe. It was your answer to the original question that triggered
the
whole thread:

W4TV:  "Running an amplifier in a mis-tuned condition (tune for 1500 W
Output
and drive to 800 W Out) is hazardous and inefficient. ".

I agreed about being inefficient but challenged you on the "hazardous".

Remember?

73, Bill W6WRT
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