I also did a quick write up recently about how I added the 10MHz test point output to my REF-1.
Hi Daniel Many thanks for your 10Mhz write up for the REF-1, that's very interesting and a nice bit of detective work. Back in January I took a quick look at the underside of a REF-1 board in the area beneath the oscillator and identified what seemed to be a pick off point very close to the output of the 10MHz doubler. I'm pretty sure it was sinusoidal but can't remember for sure now and I never did find the time to get back to it and check it properly. I'll attach a copy of my very brief notes just in case it might give you a starting point for your search for a cleaner signal but if it doesn't get through to the list I'll send you a copy direct. Regards Nigel GM8PZR
10MHz Pick Off.pdf
Description: Adobe PDF document
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