[Elecraft] k2 and sb-200

[Larry Phipps]

Make sure the keying circuit is for positive voltage. Some of the keying 
circuits I've seen for K2 are designed for negative voltage keying... 
the SB-200 is positive I believe.

Larry N8LP



Stan Rife wrote:

>Dwight,
>	I am going to use my SB-200 with the Elecraft. I have purchased an
>item called a "softkey" from Harbach Electronics. It is a board that mounts
>inside the SB-200 and essentially converts the high voltage keying line down
>to something the K2 can safely key. I haven't installed it yet...it requires
>a little rewiring to get it in the circuit. Trouble is, Harbach is shut down
>right now, I think due to a fire or something and Jeff is not taking any
>orders until he gets his place back in order.
>	There are probably other options, but this is the one I chose
>because it designed specifically for, and wires in to, the circuitry of the
>SB-200.
> 
>
>Stan Rife
>W5EWA
>Houston, TX
>K2 S/N 4216
> 
>
>-----Original Message-----
>From: elecraft-bounces at mailman.qth.net
>[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Dwight
>Sent: Tuesday, March 08, 2005 9:17 PM
>To: Elecraft at mailman.qth.net
>Subject: [Elecraft] k2 and sb-200
>
>So has anyone using the k2/100 to drive a heathkit sb-200 linear? If so can
>you give me some pointers on the interface to the amp? Still being new to
>the hobby would like some advice on the subject...
>
>
>
>__________
>
>Dwight AI4II
>__________
>
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