yes i have seen that link and i will be going to make it.
i made a AND gate comparator to detect a magnetic field. but i have now a bigger problem.
How do i stop cross coupling between two coils ? as alec_T has questioned me in post #2
hi,
I did suggest Mumetal screening as an option.
Will run your Sim.
EDIT:
If the output is from Q1 collector, its always the same Vdc ~ +5V.??? what ever the phase shift is.
Last edited: