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Re: [Amps] Drake L4 Slow Relay

To: Amps <amps@contesting.com>
Subject: Re: [Amps] Drake L4 Slow Relay
From: Roger Parsons <ve3zi@yahoo.com>
Reply-to: ve3zi@rac.ca
Date: Sat, 21 Nov 2009 13:34:27 -0800 (PST)
List-post: <amps@contesting.com">mailto:amps@contesting.com>
K1KP wrote:

...Quite often the cause of the 'missing first dit' is that the exciter is 
making RF before the amp has switched over to transmit. The exciter sees a high 
SWR, and on rigs such as the 765, folds back the output...
...a solid sate version of the PTT signal available on an output connector 
known as 'SEND'...

Tony is quite correct. 

However, beware! The solid state PTT signal on the IC765 operates about 8ms 
before RF appears which is fine. Unfortunately, if the rig is used in full 
break-in mode, it de-operates (?!) about 8ms BEFORE RF disappears - which is 
disastrous!

73 Roger
VE3ZI



      
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