[Elecraft] KPA500/KAT500 with Icom ic-7300

[ab7r]

Hi Fred.  thats the way it is.  7300 to the top RCA on the tuner and the bottom RCA to the amp.
Greg



Sent from my Samsung Galaxy Tab®|PRO

-------- Original message --------
From: "Cady, Fred" <fcady at montana.edu> 
Date: 12/26/2016  10:39 AM  (GMT-08:00) 
To: ab7r <ab7r at cablespeed.com>, steve foster <shfoster at usa.net>, elecraft at mailman.qth.net 
Subject: Re: [Elecraft] KPA500/KAT500 with Icom ic-7300 



Hi,
You need the keying line to go from the Icom first to the tuner and then back to the amplifier. 



Cheers,
Fred KE7X



For all KE7X Elecraft Books, see 
www.ke7x.com










From: Elecraft <elecraft-bounces at mailman.qth.net> on behalf of ab7r <ab7r at cablespeed.com>

Sent: Monday, December 26, 2016 11:22 AM

To: steve foster; elecraft at mailman.qth.net

Subject: Re: [Elecraft] KPA500/KAT500 with Icom ic-7300
 





    

A little more background....   with the Rf sensing the problem only presented itself when a band change required the tuner to change antennas.  so during a very quick keydown on the new band the amp keys before the tuner switches antennas and therefore faults
 due to high SWR.  if im not mistaken the PTT line between the tuner and amp stays high during a tune but not during an antenna change?  otherwise the amp would not key until the tuner changed antennas.

ThanksGregAB7R







Sent from my Samsung Galaxy Tab®|PRO



-------- Original message --------

From: steve foster <shfoster at usa.net> 

Date: 12/26/2016  8:47 AM  (GMT-08:00) 

To: elecraft at mailman.qth.net 

Subject: [Elecraft] KPA500/KAT500 with Icom ic-7300 



Has anyone successfully run this combination? I have tried rf sensing 

and get a fault on the amp,or the tuner locks up.  tried using the Icom 

band data to the amp, using the elecraft aux cable between the tuner and 

the amp, and any combination of the above. It appears not to be mode 

dependant. I am driving the icom with 30% power. The power level does 

not appear to matter. The tuner/amp combination has been working 

successfully with my previous radio (brand Y).  There appears to me to 

be an issue of the amp keying at the same time the tuner is switching 

bands.

Both amp And tuner have latest firmware. Cables are from the elecraft 

manuals, or Elecraft.

  Any help greatly appreciated.

  WB5OMP



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