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Re: [Amps] Amplifier Tuning Device

To: AMPS <amps@contesting.com>
Subject: Re: [Amps] Amplifier Tuning Device
From: "Bill, W6WRT" <dezrat1242@yahoo.com>
Date: Mon, 10 Sep 2012 19:41:06 -0700
List-post: <amps@contesting.com">mailto:amps@contesting.com>
ORIGINAL MESSAGE: 
On Mon, 10 Sep 2012 17:16:02 -0700, Jim wrote:

>## If you intend to tune up the amp for CW use, then pulse tune with a 50% 
>duty cycle. 
>If you intend to tune up the amp for  SSB use, then pules tune using a 30% 
>duty cycle.
>If you intend to run loads of processing on ssb, then  use a 40-50%  duty 
>cycle.

REPLY: 
I believe you have that just backwards. The pulse duty cycle for SSB should be
higher than for CW. You want the PS loaded down more,not less.

Flat-topping and distortion are not issues on CW, FM or RTTY. SSB (or any
amplitude-varying mode) is the critical one. 

73, Bill W6WRT
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