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Re: [TenTec] Orion 565 Amplifier Keying Question

To: <geraldj@storm.weather.net>, "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Orion 565 Amplifier Keying Question
From: "Art Lewis" <wa8vsj@ameritech.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Fri, 22 Sep 2006 11:37:43 -0400
List-post: <mailto:tentec@contesting.com>
I have a FT1000MP and my Orion coupled with just a Y connecter in the keying line to my Henry 3KD for over three years and have had no problems using either radio. ----- Original Message ---Art WA8VSJ-- From: "Dr. Gerald N. Johnson" <geraldj@storm.weather.net>
To: <tentec@contesting.com>
Sent: Thursday, September 21, 2006 7:33 PM
Subject: Re: [TenTec] Orion 565 Amplifier Keying Question


On Thu, 2006-09-21 at 17:15 -0700, george fritkin wrote:
Use a simple diode or gate.  1n4148 or 1n4001 will
should do it.  Tie diode anode together and this gets
connected to amp.  The individual cathodes get
connected the respective transceiver.  And you will
love your ORION

--- Rob Santello <Orion@drumon.com> wrote:

When one output is open collector, and the other is open contacts,
wiring them in parallel makes a WIRE OR, and the diodes aren't needed as
far as I can tell. It could be that the 1N4148 will have a volt or more
of drop depending how much current it takes to key the amplifier and
that diode drop may keep it from working right.
--
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer

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