Fwd: Homebrew un-mod kit

[JEAN-FRANCOIS MENARD-3]

Début du message réexpédié :

> De : JEAN-FRANCOIS MENARD <[hidden email]>
> Date : 10 août 2005 16:13:03 HAE
> À : Gary Hvizdak <[hidden email]>
> Cc : 'Ken Kaplan' <[hidden email]>
> Objet : Rép : [Elecraft] Homebrew un-mod kit
>
>
> Yes, this is very clear and easy to follow. I will print those  
> schematics and put them in my folder.
>
> Thanks.
>
> Le 05-08-10 à 16:08, Gary Hvizdak a écrit :
>
>
>> Hi Jean-François,
>>
>>     Yes, in addition to putting back the W5 NB Bypass jumper, you  
>> would need
>> to undo the rework that was required when you initially installed  
>> the KNB2.
>>
>>
>>     Have you done the other rework yet?  It's shown in our updated  
>> schematic
>> very clearly.  The color code indicates which parts are to be  
>> removed (red
>> with yellow background), and which parts are to be added, (blue  
>> with purple
>> background).
>>
>> 73,
>> Gary, KI4GGX
>> K2 #4067
>>
>>
>> -----Original Message-----
>> From: JEAN-FRANCOIS MENARD [mailto:[hidden email]]
>> Sent: Wednesday 10 August 2005 1556
>> To: Gary Hvizdak
>> Cc: [hidden email]
>> Subject: Re: [Elecraft] Homebrew un-mod kit
>>
>> Ooops.
>>
>> I think I make a mistake ont his one. I read in the instruction that
>> if we need to remove the KNB2 later, we should put back the jumper
>> between pin 1 and 6 of J12. That's it.
>>
>> I will revise all links you send me to properly build the KNB2  
>> jumpers.
>>
>> Remember that my jumpers are not as long as the connector inside the
>> K2, the reason for the red dot on each jumper.
>>
>> II will modifiy this one right now...
>>
>> Thanks for your remark !!
>>
>> 73
>>
>> Le 05-08-10 à 13:56, Gary Hvizdak a écrit :
>>
>>
>>
>>>
>>>     However, if you followed the instructions in Mark Dulecy's
>>> original
>>> article (hosted by W5BIG), then you may have used a 470 ohm
>>> resistor in
>>> error.  Whereas your receiver will still function, the wrong
>>> resistor value
>>> results in a 5 db attenuator with a somewhat lower output impedance
>>> than the
>>> intended 150 ohms.  It is possible that the resulting impedance
>>> mismatch
>>> could cause some intermodulation distortion in your receiver.
>>>
>>>     See the following links for more on this subject ...
>>>
>>>
>>>
>>
>> ======
>>
>> Jean-François Ménard / VA2VYZ
>>
>> ======
>>
>>
>>
>>
>
> ======
>
> Jean-François Ménard / VA2VYZ
>
> ======
>
>
>

======

Jean-François Ménard / VA2VYZ

======


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