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Re: [TenTec] inverse question re amp QSK keying

To: tentec@contesting.com
Subject: Re: [TenTec] inverse question re amp QSK keying
From: Jim Brown <k9yc@audiosystemsgroup.com>
Reply-to: k9yc@arrl.net, Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Sat, 04 Jan 2014 08:32:11 -0800
List-post: <tentec@contesting.com">mailto:tentec@contesting.com>
On 1/4/2014 7:01 AM, Allan Taylor wrote:
But that is a question for another time. This post is regarding an inverse
situation. Do Tentec QSK amps work appropriately with a non-Tentec but QSK
radio? In particular, will a TT Hercules II work with a Yaesu FT1000MP?

Yes. I've driven my Herc II and Titan 425s by using the Key Out of an FT1000MP, TS850, K2, and K3 to drive the amplifier's PTT input. All of these rigs have built-in delay that Keys the amp 8 msec or so before it produces RF. This delay is adjustable in the K3 and the MP. It's good enough for QSK up to about 25-30 WPM. As speed increases, you'll start getting complaints that your keying is choppy.

73, Jim K9YC
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