Wide Tuning Range and Low Noise Voltage Control Oscillators for 5G Technology
Minh Xuan Bui (1), Nguyen Thien Dat (1), Van Hong Lam (1), Tran Le Anh Quan (1), Pham Hung Anh (1), Mai Dong Xuan (2), Ke Wang (3) ((1) School of Science Engineering, Technology, RMIT University Ho Chi Minh, Viet Nam, (2) Viettel Semiconductor Co., Ho Chi Minh, Viet Nam

TL;DR
This paper introduces a new millimeter-wave VCO design for 5G with wide tuning range and low phase noise, supported by analytical and simulation results demonstrating superior performance over conventional designs.
Contribution
The paper presents a novel cascode cross-couple LC VCO topology that outperforms traditional designs in tuning range, gain, and phase noise for 5G applications.
Findings
Wider tuning range achieved compared to conventional VCOs.
Lower phase noise levels demonstrated through analysis and simulation.
Enhanced VCO gain and start-up oscillation conditions.
Abstract
This paper presents the analytical design of a new wide tuning range and low-noise millimeter-wave voltage control oscillators (VCO) for 5G technology. The small signal model analysis and phase noise of the VCOs will be presented to evaluate the start-up oscillation condition, oscillation frequency, and phase noise affecting factors. Theoretical analysis and simulation results show the outperformance of the proposed cascode cross-couple LC VCO topology compared to the conventional cross-coupled LC VCO in terms of frequency tuning range, VCO gain and phase noise level.
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Taxonomy
TopicsRadio Frequency Integrated Circuit Design · Microwave Engineering and Waveguides · Advanced Power Amplifier Design
