On Thu, Mar 21, 2019 at 01:29 PM, Peter Gottlieb wrote:
Should the FM input be zero?
Yes, the numbers I gave for the main coil are strictly that - FM coil disconnected. Incidentally, the main coil has a resistance of approximately 44 Ohms at room temperature. That will give you a way to calculate the voltage across the coil for a static case.
Vladan