This STILL doesn’t make a lot of sense. If you’ve got a system which has a sensitivity to a certain parameter, in this case Vdd, you can either make...
This makes no sense. First you say you want to compare Vref with Vdd. Then you say you want Vref to CHANGE with Vdd. THEN you say a constant voltage...
Wait, you want to monitor a clock with ITSELF? Either I don't understand your question, or you're on a fool's errand. Maybe you need to restate what...
A multimeter is not going to work at 500khz. I think you want to look at a current transformer. Without further information, it’s difficult to make a...