Igor,
Take a look at ACOM 2S1. This little device is intended to allow two
transceivers to share one antenna (amplifier). Its logic locks out them by
TX inhibit.
73, Val LZ1VB
Don,
I do not think so. Inhibit signal does not disable PTT. Therefore when the
first station starts to TX and then the second station presses PTT the
first station TX would get disabled by Inh right in the middle of the
transmission.
I think it would be easily resolved if K3 firmware is changed so that Inh
signal disables PTT in at the same time.
73, Igor UA9CDC
----- Original Message -----
From: "Don Wilhelm" <w3...@embarqmail.com>
To: "Al Lorona" <alor...@sbcglobal.net>
Cc: <elecraft@mailman.qth.net>
Sent: Friday, March 29, 2013 6:38 AM
Subject: Re: [Elecraft] K3 lock out via Inhibit
Al,
It is all in the timing. The first K3 to transmit will get priority. If
both try to transmit at exactly the same time (think milliseconds), then
and only then will both be locked out.
73,
Don W3FPR
On 3/28/2013 7:45 PM, Al Lorona wrote:
I'm curious... how should that condition be resolved? Should the system
randomly
choose one or the other station to transmit, or ...??? If so, then it
will
probably need a microprocessor and it will no longer be a 'simple'
circuit.
Al W6LX
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