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QCX Modifications


 

Hi all QCXers

I have added a modifications page to the website to help keep everything in one place see?

73 Hans G0UPL


 

VY FB Hans. I was working on compiling these for myself but this is much better. Thanks.
--
Wes

AE6ZM

Hereford, AZ

?


 

Hans,
I just applied the mods for the startup with the inductor across pins 20 & 7, and the contrast adjustment.?
My start up issue is resolved and contrast setting improved.??
Thanks again for a great kit.
Nigel M0NDE

On 2 November 2017 at 10:19, Hans Summers <hans.summers@...> wrote:
Hi all QCXers

I have added a modifications page to the website to help keep everything in one place see?

73 Hans G0UPL




--
73 de Nigel Evans
M0NDE QTH Burnham on Sea, Somerset




GEO Shop

shop@...

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On Thu, 2017-11-02 at 13:19 +0300, Hans Summers wrote:
Hi all QCXers


I have added a modifications page to the website to help keep
everything in one place see
I've just added the 10K bias resistor to Q5 and the transmitter
instability at Vcc > 13V has gone. And I think TX power is up a bit as
well.

I'm still not quite at the power level given in the manual so I'll try
tweaking the turns on the output filter. This is on a 17m build.

PeterO
G0DZB