A converter that tapers off a 4 mA input to zero, and adds the input and the tapered off 4mA signal to create a 2-wire 4-20 mA output loop.
Abstract: This article presents a time-division multiplexed (TDM) digital pulsewidth modulation (D-PWM) pixel circuit featuring an embedded 1-bit static random access memory (SRAM) for ...
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