[ICOM] Receive antenna input?

[Jerry Keller]

Thanks, Paul... that gives me a place to start 8^)
73, Jerry K3BZ

----- Original Message ----- 
From: "Paul Playford" <paul at w8aef.com>
To: "ICOM Reflector" <icom at mailman.qth.net>
Sent: Sunday, October 01, 2006 3:50 PM
Subject: Re: [ICOM] Receive antenna input?


>I connected a 1N914 diode, cathode to the MAIN-A UNIT's collector of Q691 
>(goes to ground during transmit) and the anode to the RF-A UNIT collector 
>of Q101.
>
> Both Q101 and Q691 are open collector and the steering diode will operate 
> RL101 during transmit, opening the RANT antenna lead.
>
> RL101 is an AHY103 relay (cheap) which may not be good for QSK.
>
> As usual, I am not responsible, etc., etc., and your smileage may vary.
>
> de Paul, W8AEF
>
>
> ----- Original Message ----- 
> From: "Jerry Keller" <k3bz at arrl.net>
> To: "ICOM Reflector" <icom at mailman.qth.net>
> Sent: Sunday, October 01, 2006 9:47 AM
> Subject: Re: [-] Re: [ICOM] Receive antenna input?
>
>
>> I'd be very interested in the circuit that you used, Paul... wsould you 
>> be willing to share it?
>> 73, Jerry K3BZ
>>
>> ----- Original Message ----- 
>> From: "Paul Playford" <paul at w8aef.com>
>> To: "ICOM Reflector" <icom at mailman.qth.net>
>> Sent: Sunday, October 01, 2006 12:29 PM
>> Subject: Re: [-] Re: [ICOM] Receive antenna input?
>>
>>
>>> Sorry, my mistreak <grin>.  I wrote that at 5am, a little before I wake 
>>> up. However the rest of my response is true.
>>>
>>> It should be noted that I modified the receive antenna switching to 
>>> clean up my transmitted signal, not to protect the receiver.
>>>
>>> But the modified antenna switching does protects the receiver.
>>>
>>> de Paul, W8AEF
>>>
>
> ----
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