[TenTec] 2.031 QSK bug - this is not a bug

[Ron Castro]

The Ten Tec keying loop in the 425 is probably different than the Ameritron. 
It is possible to hear with the linear in transmit, and in fact I did, just 
not very well.  There is enough inter-electrode capacitance in the 3CX800's 
to pass some signal back from the antenna to the input.  Sort of an 
attenuator with 2,400 VDC on it!

Ron Castro
Chief Technical Officer
Results Radio, LLC


----- Original Message ----- 
From: "Grant Youngman" <nq5t at comcast.net>
To: "'Discussion of Ten-Tec Equipment'" <tentec at contesting.com>
Sent: Friday, March 03, 2006 11:30 AM
Subject: Re: [TenTec] 2.031 QSK bug - this is not a bug


>> Ron - if the QSK loop is open, the rig does not transmit.
>
> His problem was that 2.031 seemed to "stick" with TX OUT pulled low keying
> his amp even though the radio was in receive mode ??  (Is that even
> possible?)
>
> I've been playing with mine using the loop on an AL-1200 on and off all
> morning, seeing if I could duplicate it, but it's working without a hitch.
>
> Grant/NQ5T
>
>
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