[amsat-bb] Re: Azimute pointer on a G-5600 gives a wrong value

[PE0SAT]

On Wed, August 26, 2009 03:10, i8cvs wrote:

> Hi Jan, PE0SAT

Hi Domenico,

> OK the 7806 is defective and must be changed but since you have
> to open the controller of G-5600 I suggest you to improve the
> regulator performance because the original capacitor C9 0.01 uF at
> the regulator output is a very small bypass capacitor.

I have replaced the 7806 and made the modifications you metioned and now
every think is working like a charme :))

> Solder a ceramic capacitor of  0.1 uF in parallel to an electrolitic
> capacitor ranging from 1 to 10 uF and solder it both at the input
> and as well at the output of the regulator as this cure will prevent
> possible autoscillations of the regulator itself in a wide frequency
> band.
>
>
> Have fun and 73" de
>
> i8CVS Domenico

Grazie per l'aiuto / Thank you for helping

73's PE0SAT

-- 
With regards PE0SAT
Internet web-page http://www.ham.vgnet.nl/