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Author Topic: Circuit to interface Icom706 to the Ameritron AL-8  (Read 614 times)
WB5OVQ
Member

Posts: 14




Ignore
« on: August 14, 2003, 04:15:58 AM »

Can anyone tell of a relay circuit to interface the IC706 to the Ameritron?
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WB2WIK
Member

Posts: 20595




Ignore
« Reply #1 on: August 14, 2003, 04:07:48 PM »

Use pins 2 & 7 of the 15-pin ACC connector on the rear panel of the Icom, with pin 2 being ground (chassis) and pin 7 being the AMP KEY line that connects to the center pin of the AL-80 RCA phono jack.

Isn't this clearly shown on page 6 of the Icom manual?
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W4JH
Member

Posts: 17




Ignore
« Reply #2 on: August 22, 2003, 10:11:21 PM »

Here you go (courtesy of K6XX):

http://www.qsl.net/k6xx/ic706amp.pdf
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W7DJM
Member

Posts: 1




Ignore
« Reply #3 on: August 24, 2003, 01:25:03 PM »

No, WIK, you cannot key an amp from a 706 like this.  You HAFTA use an external relay on most amps.   And, when you post a .pdf link like this, most of us cannot "save" it on our machines.  You need to post  the webpage, and then right click and select "save target as"

The web page is   http://www.k6xx.com/ikanrite.html

Click on           IC-706 Amplifier Switching-        
                   control an external amp

You can either select the "HTML" page, or if you want to save the .pdf file, RIGHT CLICK on the pdf link and select "save target as"
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5R8GQ
Member

Posts: 203




Ignore
« Reply #4 on: May 18, 2008, 04:48:36 PM »

I agree with W7DJM.

If you try to key that amp with the wimpy
little transistor circuit in the 706 you are
just BEGGING for a pile of VERY costly repairs.
You can build your own little interface out of
a 9 volt battery and a reed relay from Radio Shack for
a few bucks. Or, if you're lazy or a No Coder you can buy one of those MFJ interfaces, I think they are the
ARB 704 or soemthing. Don't qoute me,
look up the exact model number.
On E-Bay they also sell 706 to Amp Interface cables with the reed relay already built into the DIN plug.
I think that they are about $25 to $30 USD.

PLEASE, PLEASE, PLEASE DO NOT DO THIS THING!!!
(Try to key the amp with the on board circuit!)
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