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BPSK Circuit Based on SDC Memristor

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Institute of Modern Circuits and Intelligent Information, Hangzhou Dianzi University, Hangzhou 310018, China
Author to whom correspondence should be addressed.
Academic Editors: Milka Potrebic and Dejan Tošić
Micromachines 2022, 13(8), 1306;
Received: 13 July 2022 / Revised: 4 August 2022 / Accepted: 9 August 2022 / Published: 12 August 2022
(This article belongs to the Special Issue Design Trends in RF/Microwave Filtering and Memristive Devices)
Digital communication based on memristors is a new field. The main principle is to construct a modulation and demodulation circuit by using the resistance variation characteristics of the memristor. Based on the establishment of the Knowm memristor simulation model, firstly, the modulation circuit is designed by using the polarity and symmetry of the memristor and combined with the commercial current feedback amplifier AD844. It is proved that the modulated signal based on the memristor is a strong function of phase, and the demodulation circuit is designed accordingly. All simulation circuits are based on the actual commercial physical device model. The analytical expression of the output signal of the modulation and demodulation circuit is deduced theoretically, and the communication performance of the whole system is simulated by LTSpice. At the same time, the influence of the parasitic capacitance of the memristor on the circuit performance is also considered. After the simulation verification, the hardware circuit experiment of the modulation and demodulation circuit is carried out. The waveforms of the modulated signal and the demodulated signal are measured by an oscilloscope. The experimental results are completely consistent with the simulation and theoretical results. View Full-Text
Keywords: SDC (self-directed channel) memristor; BPSK; modulation; demodulation SDC (self-directed channel) memristor; BPSK; modulation; demodulation
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MDPI and ACS Style

Gao, R.; Shen, Y. BPSK Circuit Based on SDC Memristor. Micromachines 2022, 13, 1306.

AMA Style

Gao R, Shen Y. BPSK Circuit Based on SDC Memristor. Micromachines. 2022; 13(8):1306.

Chicago/Turabian Style

Gao, Ran, and Yiran Shen. 2022. "BPSK Circuit Based on SDC Memristor" Micromachines 13, no. 8: 1306.

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