[Elecraft] KXPA100 with PX3

[Nr4c]

You may just need more volts at the amp. For full power from KXP100 you'll need at least 14 to 14.5 volts at the amp end of the cable. From battery power, use two short cables of at least  AWG 12 or 14 wire. 

Sent from my iPhone
...nr4c. bill


> On Jan 2, 2017, at 12:32 PM, Don Wilhelm <donwilh at embarqmail.com> wrote:
> 
> Ray,
> 
> Have you tried running the TX Gain Calibration on the KX3?
> It may be that the KX3 wattmeter is not well calibrated.
> 
> If you do the TX Gain Calibration manually, it must be done on each band.
> The KX3 Utility automates the process.
> 
> 73,
> Don W3FPR
> 
>> On 1/2/2017 11:55 AM, rsoifer1 at aol.com wrote:
>> Don and others,
>> 
>> The good news is that you were right: the RJ-45 connectors in the control cable were not making good contact.  I fixed that and PA ON operation of the KXPA100 is now working.
>> 
>> The bad news, however, is that in Basic operation with PA OFF, the KX3/KXPA100 puts out full power, but the most I can get out of it with PA ON is 50-60 watts.  The attenuator is set for OUT/AUTO and there is no more than 1 or 2 watts reflected power.
>> 
>> 
> 
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