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RE: xmit inhibitor



Hi Kyle,

There are several "sequencer" circuits that have been published. There's one in the ARRL Handbook that works well. Advanced Receiver Research builds one that also works well. Others sequencers I've tried that do the job are made by Down East Microwave and SSB Electronics.

Good Luck!

Dave / W6TE 

 -----Original Message-----
From: 	Kyle Yoksh [mailto:yokshs@planetkc.com] 
Sent:	Wednesday, February 26, 2003 9:57 AM
To:	amsat-bb
Subject:	[amsat-bb] xmit inhibitor


Hello all,

All of the recent messages about accidently transmitting through a
downconverter has renewed my interest in building some type of circuit to
prevent damage to my d/c..

I receive AO-40 at 145 mhz, and occasionally use a second rig to receive
AO-40. I also occasionally use these rigs to transmit, so I don't want a
permanent 'no-xmit' mod. A small circuit mounted in the shack would work
well.

Does anyone know of a circuit design that would inhibit RF from being passed
to the d/c?

Thanks!

Kyle
K0KN


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