" Has anyone used the Si5351 to directly drive the LO port of a 7dBm
DBM such as the ADE-1? "
Yes, I did exactly that and also drove the ADE-1 bfo at the same time but
through a LPF.
https://youtu.be/791NupCbiWU?list=UUwUMAm2Sw21CRJkHn7STi-w
Tom, ak2b