Secondary base current, at 160BPS

coil-to-sphere and sphere-to-arc currents, 100uS/div

coil-to-sphere and sphere-to-arc currents, 20uS/div

coil-to-sphere and sphere-to-arc currents, 10uS/div

coil-to-sphere and sphere-to-arc currents, 5uS/div

coil-to-sphere and sphere-to-arc currents, 2uS/div