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Re: [TenTec] Model 318 Amplifier Key Interface

To: "'Discussion of Ten-Tec Equipment'" <tentec@contesting.com>
Subject: Re: [TenTec] Model 318 Amplifier Key Interface
From: "Rick - DJ0IP / NJ0IP" <Rick@DJ0IP.de>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 1 Feb 2012 13:55:22 +0100
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
Identify the make and model number of the relay inside the amp and look up
the specs for its maximum switching time.

Actually I'll bet the Kenwood at least has delay for keying the first dit.
I know my TS-480 did and that's a 10 year old design at least.

The Model 318 specs say: "The 318 Interface was designed for direct
connection to a TEN-TEC Eagle transceiver."

They also say: "The model 318 Amplifier Keying Interface provides an
excellent means of keying a non-QSK amplifier from a full QSK transceiver.

It is not clear to me if the 318 is to work with "any" QSK transceiver or
only Ten-Tec transceivers.

James, that is exactly why I prefer using an external keyer and external
time sequencing.  Then you can connect ANY transceiver to ANY amp.  To
answer your question, I would want to see the instruction manual of the
TS-590 AND the manual of the Model 318.  I haven't found the 318 manual
online yet.

Rick, DJ0IP

-----Original Message-----
From: tentec-bounces@contesting.com [mailto:tentec-bounces@contesting.com]
On Behalf Of Richards
Sent: Wednesday, February 01, 2012 1:23 PM
To: Discussion of Ten-Tec Equipment
Subject: Re: [TenTec] Model 318 Amplifier Key Interface

Hmmnm....   so let's assume one has two radios,  one is a TT radio with 
full QSK capabilities, and the other is a,... oh,... say Kenwood TS-590, 
  along with a Centurion linear amp.    The case of the TT rig is clear 
- use it in QSK mode as always.   But in the case of the Kenwood rig... 
how much delay would be needed to protect the amp if the Kenwood rig was 
not set up to work the Centurion's QSK circuit?    I suspect it is  X 
ms.   Is there a way to solve for X ?   Let's say your choices were for 
10 ms or 25 ms.... would you pick the longer time just to be safe?

Thanks. --------------------------  K8JHR 

On 2/1/2012 7:03 AM, Rick - DJ0IP / NJ0IP wrote:

> It does enable the Ten-Tec full QSK transceiver (like the Eagle) to
> with non-QSK amplifiers, like your FL-2100B or most any amplifier, without
> burning relay contacts.  This is very important.


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