A CMOS Self-Contained Quadrature Signal Generator for SoC Impedance Spectroscopy [PDF]
Sensors, 2018 This paper presents a low-power fully integrated quadrature signal generator for system-on-chip (SoC) impedance spectroscopy applications. It has been designed in a 0.18 μm-1.8 V CMOS technology as a self-contained oscillator, without the need for an ...
Alejandro Márquez +4 more
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Quadrature Signal Generator with Improved Dc Offset Compensation
Advances in Electrical and Computer Engineering, 2021 In this paper a second order generalized integrator (SOGI) based quadrature signal generator (QSG) is proposed with the improved DC offset compensation parameter tuning procedure.
STOJIC, D.
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A Four Quadrature Signals’ Generator with Precise Phase Adjustment [PDF]
Journal of Electrical and Computer Engineering, 2016 A four-way quadrature signals generator with precise phase modulation is presented. It consists of a phase precision regulator and a frequency divider. The phase precision regulator generates two programmable currents by controlling the conduction of the
Xiushan Wu +4 more
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Research on Characteristics of RC Polyphase Network for Quadrature Signal Generator
Leida xuebao, 2013 The quadrature signal generator is widely used in devices such as the quadrature modulator and image rejection frequency converter. An RC polyphase network is commonly used as a quadrature signal generator because of its simple structure and perfect ...
Hu Yi-ming, Yu Guo-wen, Zhang Yuan-fa
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Fully Integrated Seven-Order Frequency-Range Quadrature Sinusoid Signal Generator [PDF]
IEEE Transactions on Instrumentation and Measurement, 2009 A compact wide-frequency-range quadrature sinusoid signal generator tailored to on-chip impedance spectroscopy instrumentation applications is described. Using a new hybrid structure, it provides seven orders of frequency-tuning range (1 mHz to 10 kHz) appropriate for impedance characterization of many sensor materials.
Andrew J Mason
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Photonic-electronic arbitrary-waveform generation using quadrature multiplexing and active optical-phase stabilization [PDF]
Nature CommunicationsGeneration of electrical waveforms with bandwidths of 100 GHz or more is key to many applications in science and industry, comprising high-speed communications, radar, or test and measurement equipment.
Christoph Füllner +11 more
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Observer-Based Quadrature Signal Generator for UPQC in a Single-Phase Distribution System [PDF]
ITM Web of Conferences, 2022 This paper presents a control algorithm for generation of reference voltage and current based on Observerbased QSG (Quadrature Signal Generator) for UPQC (Unified Power Quality Conditioner) in a Single-Phase Distribution System.
Pradeep Kandukuri, Kumar K. Vinay
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A 40–50 GHz RF Front-End with Integrated Local Oscillator Leakage Calibration
Micromachines, 2023 This article presents a transmitter (TX) front-end operating at frequencies covering 40–50 GHz, including a differential quadrature mixer with integrated amplitude and phase imbalance tuning, a power amplifier, and a detection mixer (DM) that supports ...
Peigen Zhou +4 more
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IEEE Access, 2021 Photonic generation of a bandwidth multiplied linearly chirped signal with phase modulation capability is proposed and its applications in communication and radar systems are demonstrated.
Xuan Li +3 more
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Enhanced performance of the mechanical respiratory system by FPGA-digital based on PID Controller
Cogent Engineering, 2023 In mechanical ventilators, ensuring reliable performance and rapid response has become one of the most critical considerations when evaluating non-invasive ventilators.
Dang Quy Phan, Ha Quang Thinh Ngo
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