[Elecraft] CW filter question

[JEAN-FRANCOIS MENARD]

Thanks Don, Dan and Bill.

I'm shutting off my K2 for a little «inside work» !!! ;-)

Best 73 and Happy New Year !!!




Le 05-12-29 à 11:16, Don Wilhelm a écrit :

> Jean-Francois,
>
> If I recall, that statement in the SSB manual does not say you must  
> (or
> should) set the wide CW filter to OP1, it only says that one CAN do  
> that -
> so if it is not desirable for you (it is not for me either), then  
> leave your
> CW filter widths as they are as they are.  Adding the SSB option  
> does not
> change CW in the K2 but it does increase the filter choices by  
> adding the
> OP1 fixed bandwidth filter.
>
> If you want more detail on K2 alignment than is in the manual, in  
> particular
> the Dial Calibration and setting the filters, you may want to look  
> at my
> website http://w3fpr.qrpradio.com or the mirrors at www.qsl.net/ 
> w3fpr or
> http://home.earthlink.net/~w3fpr - Spectrogram is adequate, but if  
> you have
> access to a full blown spectrum analyzer, you can use that instead.
>
> 73,
> Don W3FPR
>
>> -----Original Message-----
>>
>> I am doing a complete aligment of my K2 during the weekend... just
>> for the fun of learning.... and in the KSB2 SSB manual, they said to
>> set OP1 for FL1 (filter on SSB board) for both SSB and CW. I
>> undertstand what is OP1, etc...
>>
>> But my question is: Could I choose other than OP1 for the first CW
>> filter ?
>>
>> My setup for CW only is FL1 = 1.5 kHz and FL2 = 500 Hz... both are
>> well aligned on 600 Hz peak with a spectrum analyzer. I don't want a
>> wide filter for CW.. like OP1. I understand that basic K2 crystal are
>> optimized for 700 Hz and below signal filter. And if I was using only
>> CW without the SSB board, I will be using the basic K2 filter only
>> anyway... so I think I am OK, but I only want to make sure that
>> including a SSB board do not change my understanding of how filter
>> works in the K2.
>>
>> Thanks and 73
>>
>> =============================================
>> JEAN-FRANÇOIS MÉNARD / VA2VYZ
>>
>> ELECRAFT KX1 #999, K2 #4130
>> FISTS #11896
>>
>> Pour visitez mon site Internet / To visit my website :
>>
>> http://homepage.mac.com/jfmenard
>> =============================================
>>
>>
>>
>> _______________________________________________
>> Elecraft mailing list
>> Post to: Elecraft at mailman.qth.net
>> You must be a subscriber to post to the list.
>> Subscriber Info (Addr. Change, sub, unsub etc.):
>>  http://mailman.qth.net/mailman/listinfo/elecraft
>>
>> Help: http://mailman.qth.net/subscribers.htm
>> Elecraft web page: http://www.elecraft.com
>>
>>
>> --
>> No virus found in this incoming message.
>> Checked by AVG Free Edition.
>> Version: 7.1.371 / Virus Database: 267.14.9/216 - Release Date:  
>> 12/29/2005
>>
>>
>