[Elecraft] K3 lock out via Inhibit

[Igor Sokolov]

Val, thank you.
I know about lockout box from ACOM. But I am after light and easy portable 
solution.

73, Igor UA9CDC
----- Original Message ----- 
From: "Val" <val at vip.bg>
To: <elecraft at mailman.qth.net>
Sent: Friday, March 29, 2013 11:32 AM
Subject: Re: [Elecraft] K3 lock out via Inhibit


>
> 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" <w3fpr at embarqmail.com>
>> To: "Al Lorona" <alorona at sbcglobal.net>
>> Cc: <elecraft at 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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