[Elecraft] [K3] RE: K3 and Ameritron QSK-5 Connections and Settings

[Chuck - AE4CW]

Paul,

 

Thanks for the lead to N6MW's PowerPoint.  That has been invaluable!

--

Chuck, AE4CW

  _____  

From: P.B. Christensen [via Elecraft]
[mailto:ml-node+4077199-1430942505 at n2.nabble.com] 
Sent: Friday, November 27, 2009 2:35 PM
To: Chuck - AE4CW
Subject: Re: [Elecraft] K3 and Ameritron QSK-5 Connections and Settings

 

Chuck: 

Keep this in mind.  The QSK-5's "KEY 2" line activates the PIN diode 
circuitry.  "KEY 2" activates the QSK-5's input and output relays. 

> 2) If Key 2, do you have a jumper from AUX to Key 1? 

Ideally, you want to jumper KEY 1 and KEY 2 together with a "Y" cable using 
steering diodes.  Then, the RELAY line from the QSK-5 connects to the 
Ameritron amp.  If you use AUX to activate KEY 1, that adds > 1 msec. of 
additional delay to system timing.  AUX is primarily used for TX INH 
handshaking between the amp and transceiver. 

This PowerPoint presentation from N6MW is essential to ensure a proper 
interconnection between the QSK-5, transceiver, and amplifier: 

http://72.52.250.47/images/QSK5.ppt

Paul, W9AC 



----- Original Message ----- 
From: "Chuck - AE4CW" <[hidden email]
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To: <[hidden email]
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Sent: Friday, November 27, 2009 12:09 PM 
Subject: [Elecraft] K3 and Ameritron QSK-5 Connections and Settings 


> 
> I've found several posts regarding this combination but would appreciate a

> little more information from those who are successfully using it: 
> 
> 1) Which connection are you using between the K3 Key Out and the QSK-5? 
> Key 
> 1 or Key 2? 
> 2) If Key 2, do you have a jumper from AUX to Key 1? 
> 3) Any other connection configurations you are using or have tried? 
> 4) Any connection configurations to avoid? 
> 5) What CONFIG: TX DLY setting are you using (8 ms default)? 
> 
> For reference my amplifier is an AL-80B. 
> 
> Thanks for any feedback! 
> 
> Chuck, AE4CW 
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