[Amps] Pulse tuning

[Alek Petkovic]

At 07:22 PM 23/09/2010, Bill, W6WRT wrote:
>ORIGINAL MESSAGE:
>
>On Thu, 23 Sep 2010 03:57:11 -0500, donroden at hiwaay.net wrote:
>
> >If you have to pulse, you are relying too much on power supply capacitors.
> >Just build it "large" and don't worry about pulsing.
> >Don WA4NPL
>
>REPLY:
>
>I agree. If you HAVE to pulse to avoid damage, you amp is running on the
>edge of self-destruction anyway. Beef it up so it can run full carrier
>for at least five minutes at a time with no sweat. Then you can tune it
>up the 'right' way.
>
>Bill, W6WRT




Surely, with pulse tuning, you are getting the duty cycle as close as 
possible to ssb conditions. Therefore you are tuning your amplifier 
to the absolute optimum level.

When you tune with full carrier, power supply sag come into play in a 
big way and so, once you have tuned your amp under constant carrier 
conditions, it will be less than optimum for ssb operation.

Tell me if I'm barking up the wrong tree but I see pulse tuning as 
the obvious way to go.

73, Alek.
VK6APK


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