[Elecraft] Using K3 with AMP

Don Wilhelm w3fpr at embarqmail.com
Sat Nov 1 22:33:48 EST 2008


George,

What K3 jack are you connecting the amp to?  You should be connecting to 
the KEYOUT jack.  If you have connected to the K3 PTT input instead, I 
could understand that you might have difficulties like you describe.

73,
Don W3FPR

K4GM-George wrote:
> For several years I keyed my Dentron Clipperton L amp from the jack on 
> my Pro II. I did not use any buffer and it always worked fine because 
> the voltage/current being keyed are w/i limitations of the Pro II.  
> Without powering up the AMP I ran a cable from the AMP to the jack on 
> the K3 I just received.  I noticed that WITHOUT AC power to the amp 
> when I moved the standby switch to operate the K3 PTT was keyed and 
> the rig put out normal power.  This is w/o the AMP being ON.  Any 
> thoughts from anyone? I do have an AMPKEYER available to use between 
> the units but thought I could key the AMP  directly. Why would my 
> STANDY/OPERATE switch on the amp operate as a PTT switch?  Do I need 
> to set a parameter in the K3?  Of course all equipment share a common 
> ground connection.
>
>


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