Monday, August 13, 2012

Crystal penning II

Another crystal penning....


from a stock 4.194Mhz crystal....



"penned" down to 4.175 Mhz:

 

To mix with 489 Khz..... for an also stock IF of 3.686Mhz... so.... my "Navtex" issue is solved, now I just have to find time to build the receiver....

 




1 comment:

pedro said...

http://www.expandedspectrumsystems.com/prod4.html

e boas compras !!