DIGITAL DEVICE FOR MEASURING INTENSITY OF MAGNETIC FIELD Russian patent published in 2000 - IPC

FIELD: magnetic measurements. SUBSTANCE: device has first generator of rectangular pulses, ferromagnetic probe with core, which is made from permalloy, which hysteresis loop has rectangularity rate which is close to 1. Output circuit of ferromagnetic probe is connected to threshold unit, which output is connected to first input of first AND gate. In addition device has serial circuit of first pulse counter, digital-to- analog converter, controlled current source, gate and ferromagnetic probe excitation circuit. Second input of first AND gate is connected to output of first generator of rectangular pulses. Goal of invention is achieved by introduced first and second RS flip-flops, second generator of rectangular pulses, T flip-flop, second AND gate, second pulse counter, OR gate and third AND gate. EFFECT: increased precision of measurements due to elimination of analog signal processing elements. 2 dwg