Re: [Elecraft] Isolating the KPA100 External Keying Line

2006-02-20 Thread Tom Hammond
Ummm... Vic... Might be easier (esp. on the back) to move the K2 instead! Heheh 73, Tom N0SS At 04:26 PM 2/20/2006, Vic K2VCO wrote: Roy Morris wrote: When keying my Alpha 99 via a shielded cable from the KPA100 J7 jack, there is a small amount of stray RF getting into the SSB signal. Thi

RE: [Elecraft] Isolating the KPA100 External Keying Line

2006-02-20 Thread Don Wilhelm
Roy, If you want to try a relay isolated keying line, connect one side of the relay coil to the K2 amp keying jack and the other side of the coil to a power source that matches the relay voltage - of course, the power source common must connet to the KPA100 chassis if that was not obvious. I fail

Re: [Elecraft] Isolating the KPA100 External Keying Line

2006-02-20 Thread Vic K2VCO
Roy Morris wrote: When keying my Alpha 99 via a shielded cable from the KPA100 J7 jack, there is a small amount of stray RF getting into the SSB signal. This RF is not present when the amp is used with either my 756 PRO2 or 706MK2G, and it is not present when using the K2 at 100 watts barefooted

[Elecraft] Isolating the KPA100 External Keying Line

2006-02-20 Thread Roy Morris
When keying my Alpha 99 via a shielded cable from the KPA100 J7 jack, there is a small amount of stray RF getting into the SSB signal. This RF is not present when the amp is used with either my 756 PRO2 or 706MK2G, and it is not present when using the K2 at 100 watts barefooted regardless of ba