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In this paper, a calibrated temperature difference sensor transducer is newly proposed for monitoring environmental temperature difference applications. The output signal is a pulse stream, and thus it could be easily sent over a wide range of transmission media, such as package switch network, radio, optical, infrared, ultrasonic, and so on. Another innovation is that the proposed calibration method...
In this paper, a CMOS temperature difference to frequency converter with calibration circuits for environmental temperature difference monitoring applications is newly proposed. A calibration technique is proposed in this work. Another innovation is that the outputs of the proposed chip are directly digitized, they could be easily sent over a wide range of transmission media, such as PSN, radio, optical,...
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