[Elecraft] [K3] RX Attenuator value, and COR activation level.

[g0afh]

Thanks for the link. I recall seeing the wire when I checked to see if 
the IF out level mod had been done.

73
Ian

On 13/06/2012 10:16, Brett Howard wrote:
> If you want to check and be absolutely certain check this document out:
> http://www.elecraft.com/K3/mods/K3%20rx%20protection%20mod,%20rev%20B.pdf
>
> ~Brett (N7MG)
>
> On Wed, Jun 13, 2012 at 2:14 AM, g0afh <g0afh at g0afh.com 
> <mailto:g0afh at g0afh.com>> wrote:
>
>     Thanks, useful to know.
>
>     I am trying to optimise my 2m system to deal with some
>     exceptionally strong signals. The transverter o/p can reach about
>     +15dBm before compression, but I think the K3 may be overloaded
>     before then. I managed to activate the COR during testing last night.
>
>     My K3 was made in June 2010 so should have the extreme signal
>     protection mod.
>
>     73
>     Ian
>     G0AFH.
>
>
>     On 13/06/2012 09:19, Brett Howard wrote:
>>     the ATTN is 10dB.  Not sure where the CORs activate however.  I
>>     do know that I've hit them before though.. :)
>>     Not sure if this helps you but I do also know that you can get to
>>     +20dBm and as long as you have the extreme signal protection mod
>>     done to your radio (or it was built after 9/1/2009) before the
>>     CORs are activated and your ATT will be automatically engaged to
>>     protect the RX post amp.
>>
>>     ~Brett (N7MG)
>>
>>     On Wed, Jun 13, 2012 at 12:52 AM, g0afh <g0afh at g0afh.com
>>     <mailto:g0afh at g0afh.com>> wrote:
>>
>>         Hi,
>>
>>         What is the value of the RX attenuator in the K3?
>>
>>         At what level does the carrier operated relay protection operate?
>>
>>         73
>>         Ian
>>         G0AFH
>>         ______________________________________________________________
>>         Elecraft mailing list
>>         Home: http://mailman.qth.net/mailman/listinfo/elecraft
>>         Help: http://mailman.qth.net/mmfaq.htm
>>         Post: mailto:Elecraft at mailman.qth.net
>>         <mailto:Elecraft at mailman.qth.net>
>>
>>         This list hosted by: http://www.qsl.net
>>         Please help support this email list:
>>         http://www.qsl.net/donate.html
>>
>>
>