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/ _______________________________________________ Sent via [email protected]. Opinions expressed are those of the author. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
