A low-voltage low-phase-noise bottom-series LC QVCO using …
This paper presents a novel low-voltage low-phase-noise LC quadrature voltage controlled oscillator (QVCO) implemented in the TSMC 0.18-μm CMOS process. By usin
Analysis and design of a 1.8-GHz CMOS LC quadrature VCO
2002年12月16日 · This paper presents a quadrature voltage-controlled oscillator (QVCO) based on the coupling of two LC-tank VCOs. A simplified theoretical analysis for the oscillation …
Analysis and Design of Coupled PLL-Based CMOS Quadrature VCOs
Abstract: A novel architecture to implement quadrature voltage-controlled oscillators (QVCOs), based on the coupled phase-locked loop (CPLL) technique, is presented. The proposed …
Architecture design and frequency plan-ning are carefully performed to tradeoff wide frequency range and power efficiency. A QVCO is used in the proposed fre-quency synthesizer. …
Abstract— A new concept for quadrature coupling of oscil-lators is introduced and demonstrated on a 5-GHz CMOS voltage-controlled oscillator (VCO). It uses the second harmonic of the out …
复旦大学2011 JSSC第六期【 A Frequency Synthesizer With Optimally Coupled QVCO ...
2011年5月24日 · Combining harmonic rejection and single sideband mixing, a harmonic-rejec- tion SSBmixer (HR-SSBmixer) is developed to suppress unwanted sidebands and spurious …
A 1-V 17-GHz 5-mW CMOS Quadrature VCO Based on …
A 1-V 17-GHz 5-mW quadrature voltage-controlled oscillator (QVCO) based on transformer coupling is presented. Transformer coupling between two LC tank oscillators is proposed to …
A very low-power quadrature VCO with back-gate coupling
2004年6月2日 · A new quadrature voltage-controlled oscillator (QVCO) topology is proposed where the back-gates of the core transistors are used as coupling terminals. The use of back …
International Journal of Circuit Theory and Applications
2023年8月16日 · This paper presents a new low phase noise (PN) quadrature voltage controller oscillator (QVCO), which includes four class C LC-VCOs oscillated at 13 GHz operating …
IET Microwaves, Antennas & Propagation
2025年2月26日 · Designed and fabricated in a standard 0.18-μm CMOS process, the proposed QVCO improves the supply noise rejection by more than 16.72 dB compared with the …
- 某些结果已被删除