K2 Part Substitution

[Matt Osborn]

I'm assembling my new K2 (#4978) control board and have found a
substitute part for U1.  Instead of the NE602 or the SA602, my kit has
the SA612.

The SA612 appears to be a slightly lower performance part than the
SA602, but appears to be fully compatible.

Am I correct in my assumption?
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[wayne burdick]

Matt,

These are functionally identical in this application. We've used both
interchangeably for years.

73,
Wayne
N6KR

On Jun 4, 2005, at 7:48 PM, Matt Osborn wrote:

> I'm assembling my new K2 (#4978) control board and have found a
> substitute part for U1.  Instead of the NE602 or the SA602, my kit has
> the SA612....

---

http://www.elecraft.com

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[Alberto Iglesias Darriba]

Matt, As I know they SA612 has the same performance of NE602. I have
used the SA612 in some mounts with no difference.

You can compare their characteristics and will see. My KX-1 kit also
comes with the SA612.

72 de Al, XE1NK - EA1DLD

Matt Osborn wrote:

>I'm assembling my new K2 (#4978) control board and have found a
>substitute part for U1.  Instead of the NE602 or the SA602, my kit has
>the SA612.
>
>The SA612 appears to be a slightly lower performance part than the
>SA602, but appears to be fully compatible.
>
>Am I correct in my assumption?
>_______________________________________________
>Elecraft mailing list
>Post to: [hidden email]
>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
>
>  
>

               
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[Matt Osborn]

Thanks, Wayne.

The control board is completed, my eyes (ain't what they use to be)
are shot, all resistance checks passed and K2 #4978 is underway.

Thanks all for the help. My apologies Frank, instead of replying to
this list, I replied directly to you (wasn't thinking).

BTW, how *does* one respond to this list and maintain the thread
order?

On Sat, 4 Jun 2005 20:02:10 -0700, wayne burdick <[hidden email]>
wrote:

>Matt,
>
>These are functionally identical in this application. We've used both
>interchangeably for years.
>
>73,
>Wayne
>N6KR
>
>On Jun 4, 2005, at 7:48 PM, Matt Osborn wrote:
>
>> I'm assembling my new K2 (#4978) control board and have found a
>> substitute part for U1.  Instead of the NE602 or the SA602, my kit has
>> the SA612....
>
>---
>
>http://www.elecraft.com
>

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