[RodB]

I have been using an rf signal generator and a VTVM for over 10 years. Connect a coil of wire to the generator output, sometimes to a tube signal grid through a 0.05 mfd cap. Monitor the AVC with the VTVM because it's more sensitive to signal variations. You can use a DMM instead but it's harder to see variations. Using a scope and sweep generator is for Hams who need to have precise settings. For our purposes, it's a little overkill. Go ahead and use them to get a better feel for how things function.