@ Paul
yes pin 1 of U206 is the input of a schmitt-trigger ( xxACT14 ) where
the rectangular 10 MHz output on the Ref-0 Modul is generated.
@ David
10 MHz is not available on the Ref-1 module, the one with antenna input
(yea, but it is still at pin 1 of U206).
Götz
Am 01.12.2014 04:09, :
OK so it was not as hard as I thought getting all of teh screws out. The
harder part is getting the actual board to slip out of the back.
After getting to the bottom I found a locked 10 Mhz signal on U206 pin 1
somewhat of a sine wave but compressed top and bottom at 5 V and pin 2 a
squared up version. Pin 1 goes off to several transistors. Also I have not
looked at the rest of u206.
So good or bad a tracking 10 Mhz exists. Not so easy to get to frankly.
Regards
Paul
WB8TSL
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