Multilayer planar inductor array based angular position sensor for cryogenic application
The design, development and testing of a cryogenically operated multilayer planar inductor
array based eddy current angular position/rotation transducer is claimed. An array of 4 multi-
layered coils is used to divide the 360° into four sectors of 90° each. Switching between
each of the inductor is done by a cold electronics based multiplexer circuit coupled to an
unbuffered inverter LC oscillator. The angular displacement is a function of frequency of cold
electronic LC oscillator. The pickup coil forms the inductor of the oscillator which is operated …
array based eddy current angular position/rotation transducer is claimed. An array of 4 multi-
layered coils is used to divide the 360° into four sectors of 90° each. Switching between
each of the inductor is done by a cold electronics based multiplexer circuit coupled to an
unbuffered inverter LC oscillator. The angular displacement is a function of frequency of cold
electronic LC oscillator. The pickup coil forms the inductor of the oscillator which is operated …
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