[TenTec] inverse question re amp QSK keying

Jim Brown k9yc at audiosystemsgroup.com
Sat Jan 4 11:32:11 EST 2014


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


More information about the TenTec mailing list