From: "Don and Diana Cunningham" 
Subject: Re: [drakelist] Transmit/Receive switch ...New member


"Don and Diana Cunningham"  made an
utterence to the drakelist gang
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Garey,
Just a thought.  If Harry isn't going to use an amp, couldn't he use the 
"VOX" contacts that drive a linear to accomplish his goal of muting the 
receiver since they close upon trasmit??  Might be easier for him at this 
juncture.
73,
Don, WB5HAK
----- Original Message ----- 
From: "Garey Barrell" 
To: "Harry KC9GRV" ;
"Drakelist" 

Sent: Wednesday, February 16, 2005 2:58 PM
Subject: Re: [drakelist] Transmit/Receive switch ...New member


>
> Garey Barrell  made an utterence to the drakelist 
> gang
> ----------------------------------------------------------------------
> Harry -
>
> Figures....  The T-4X works just the opposite.   It has relay contacts 
> that close to enable the receiver and open to disable the receiver.
>
> Unfortunately, there is no easy way to change this in the transmitter 
> since this set of contacts is wired to do other things at the same time. 
> This is a straight contact closure, so no voltage available.  Depending 
> upon what voltage is available at the JRC mute contacts it might be 
> possible to build a small transistor driver to "invert" the
Mute control.
>
> 73, Garey - K4OAH
> Atlanta
>
> Drake C-Line Service Manual
> http://hr99.home.mindspring.com/R-4C_Servicez/>
>
>
>
> Harry KC9GRV wrote:
>
>>"Harry KC9GRV"  made
an utterence to the 
>>drakelist gang
>>----------------------------------------------------------------------
>>Hello group,
>>
>>First I would like to introduce myself.
>>
>>My name is Harry and I got upgraded to Extra
>>from my Tech license I first received in October 2004.
>>
>>This is after 40 some years of procrastination.
>>I started in the hobby by taking a Novice class at Allied radio when they 
>>were still in Chicago in the early 60's
>>
>>But do to several things I never got to take the novice exam.
>>I had the case of finding a bad elmer. Long story.
>>
>>I will soon be the proud owner of a TX4.
>>I have a JRC NRD525 receiver which I love.
>>
>>In looking through the online manual I see the TX4
>>has a plug to switch off the receiver.
>>
>>My JRC has a plug that will mute the receiver.
>>
>>My question:
>>What do I need to use these two features together.
>>
>>The jack on the JRC is an RCA plug that when the two wires are connected a 
>>relay clicks and the radio goes silent.
>>
>>I do not know how the TX4 works.
>>
>>Thanks in advance.
>>73,
>>
>>Harry G. Osoff
>>KC9GRV
>>Grid Square EN50uc
>>Champaign, Illinois
>>Lat & Long 40.106564 N  88.283856 W
>>FP#-1065          NAQCC#-0211  QRP-l#-2604
>>
>>
>>
>>
>>
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> On Behalf of Garey Barrell 
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> 

----------------------------------------------------------------------
On Behalf of "Don and Diana Cunningham" 
Submissions:        drakelist{at}www.zerobeat.net
Unsubscribe:        majordomo{at}www.zerobeat.net - unsubscribe drakelist in body
Hopelessly Lost:    majordomo{at}www.zerobeat.net - help in body of message
Zerobeat Web Page:  http://www.zerobeat.net
Brought to you courtesy of TLCHost.net  http://www.tlchost.net/
----------------------------------------------------------------------

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