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A novel wireless transducer that uses analog-based technology at 2.4 GHz is presented in this letter. The transducer consists of an electrocardiography (ECG) detection circuit and a novel three-stage amplitude modulation transmitter that up-converts the ECG signal to a 2.4-GHz carrier frequency. To minimize the effects due to local oscillator leakage as well as the interference at the image frequency,...
A novel idea of applying a proposed radio frequency transducer architecture for wireless monitoring of sleep apnoea patients has been presented in this article. The architecture has been realized on a primary prototype and tested from baseband to 2.5 GHz band. The experimental results prove that this architecture can be used for wireless sleep apnoea monitoring for the design of each portable transducer...
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