[TenTec] QSK Amp with Corsair

Mike Hyder -N4NT- N4NT@chartertn.net
Sun, 26 May 2002 13:11:36 -0400


Does your amp use a relay that adds more delay?

Mike N4NT

----- Original Message ----- 
From: "N1EU" <n1eu@yahoo.com>
To: <tentec@contesting.com>
Sent: Sunday, May 26, 2002 12:41 PM
Subject: [TenTec] QSK Amp with Corsair


> I notice that there is enough delay in the accessory
> T/R relay of the Corsair ("EXT T/R" jack) such that an
> external amplifier is not keyed for the first cw
> element transmitted.  The relay delay control R10 on
> the control board only has an effect on the relay's
> release time.
> 
> I was wondering if anyone has gotten around this
> limitation?  Looking at the Control Board schematic,
> it seems that a modern amplifier could be keyed
> directly off Q10, an MPS6514 (Icc 100ma), instead of
> the EXT T/R relay that Q10 drives.
> 
> Appreciate any comments.  This is the first time I've
> used my Corsair on cw with an external amplifier.
> 
> Tnx/73,
> Barry  N1EU