[TenTec] TCXO install

Paul Kraemer elespe at lisco.com
Sat Aug 3 17:29:30 EDT 2013


Don
I just got my kit too!
Not the greatest instructions are they?  And, it appears the schematic is 
not quite correct on the original board---but I digress
The center of the coax goes to the used to be capacitor pad farther from the 
rear edge of the board.  The routing is to the micro and the divider circuit
The shield of the coax goes to ground altho they do not say where.  I am 
using an adjacent long resistor leg that is to ground
Also, I am inclined to add a ground wire to the vacant pin of the two pin 
connector of the TCXO board so it doesn't rely on the signal coax shield and 
mechanical connection to ground
Pity seems to me they didn't invest 15 minutes of engineering to make this 
board plug in to the logic board by a few well placed pins in the connection 
points
My crystal oven burned to crisp and shorted the 12v to ground.  How did 
yours fail, or just upgrading?
Paul K0UYA
----- Original Message ----- 
From: "Don Scippa" <dscippa at gmail.com>
To: <tentec at contesting.com>
Sent: Saturday, August 03, 2013 2:24 PM
Subject: [TenTec] TCXO install


> Hi all,
> New to the list. Just about to install the TCXO kit in the Omni 6 but the 
> instructions seem a bit unclear.
> It says to remove the cap(I assume this is C10) and connect the coax. What 
> they failed to mention was where
> the two leads get connected(center and shield). I could take out the whole 
> board to trace it out but I thought
> I would ask here and save myself a lot of work.
>
> Thanks in advance
>
> Don
> K8EAA
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