Importance

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Abstract

Aspects of the embodiments are directed an analog front end circuit (AFE circuit), the AFE circuit including a beamforming circuit configured to receive as an input a plurality of receiver inputs, the receiver inputs coupled to a sensor element. The beamforming circuit can include a plurality of receiver sub-circuits, each sub-circuit including a digital-to-analog converter, a low noise amplifier, and an I/Q mixer circuit element; an adder circuit element at an output of the I/Q mixer circuit element; and a multiplexer coupled to an output of the adder circuit. The AFE can be part of a current sensing device. The current sensing device can include a two-dimensional array of sensor elements.

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First Claim