Steve,
I have no idea what the PTT specs for the Henry 2kd might be, but you
can measure it with your DMM.
The K3S can handle up to +200 volts at 5 amps.
With nothing connected to the PTT In on your amplifier, measure the voltage.
If it is positive, and is less than 200 volts, then all is well for step 1.
If the voltage is negative, then it will not work with the K3S without
modification to the amplifier.
If the above tests go well, then set your DMM to measure current. Put
one lead on the center of the amps PTT jack and the other on the shell
(the amp should go into transmit). If the current is less than 5
amperes, then the K3s output keying device can handle it.
Both conditions must be met - voltage less than 200 volts positive and
current less than 5 amperes.
73,
Don W3FPR
On 6/16/2016 6:59 PM, Steven Stuckey wrote:
> Has anyone used a Henry 2kd amplifier with an Elecraft K3s? Is the Keying
> voltage anything to be concerned about while using a K3s? Thanks in
> advance.
>
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