TAS600 Systems and ADS-B - TAS620 installation

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TAS620 installation

Printed From: Avidyne
Category: Avidyne General
Forum Name: TAS600 Systems and ADS-B
Forum Description: Topics related to the Avidyne TAS600 Traffic Advisory Systems and ADS-B
URL: https://avidynelive.com/forum_posts.asp?TID=697
Printed Date: 26 Mar 2026 at 6:53pm
Software Version: Web Wiz Forums 12.07 - https://www.webwizforums.com

Topic: TAS620 installation

Posted By: VUQUOCLAN
Subject: TAS620 installation
Date Posted: 10 Jun 2015 at 1:22am

Hi There,

Do you know why we need to install a coupler between the transponder ANTENA and TAS620 processor?

Thanks

Replies:

Posted By: Gring
Date Posted: 10 Jun 2015 at 1:40am

I believe it is so the TAS processor knows your transponder and does not display it as traffic.

Posted By: VUQUOCLAN
Date Posted: 10 Jun 2015 at 3:17am

Thanks Garin,

so the suppression signal (pin 15,7) is not good enough for TAS processor to understand it. is it correct?

Thanks

Posted By: Gring
Date Posted: 10 Jun 2015 at 3:26am

That is beyond my pay grade...page 27, section 2.11 of the TAS install guide discusses the transponder coupler.

Posted By: AviSimpson
Date Posted: 10 Jun 2015 at 4:13am

Gring wrote:

I believe it is so the TAS processor knows your transponder and does not display it as traffic.

What Geoffrey said.

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Simpson Bennett
Avidyne Corporation
Product Manager

Posted By: VUQUOCLAN
Date Posted: 10 Jun 2015 at 5:56am

Thanks Gring and AviSimson

I saw that. but is any other reason beside indicating the transponder is transmitting a reply?

does it have anything to do with power limitation?

what is the power output of TAS620?

Thanks again for your knowledge