Low-power quadrature voltage-controlled oscillator using current-reuse and transformer-based Armstrong topologies
Electronics Letters（2016）
Abstract
A new low-power current-reuse quadrature voltage-controlled oscillator (QVCO) is proposed. The proposed QVCO couples two complementary current-reuse Armstrong voltage-controlled oscillators (VCOs) using series coupling switches. The current-reuse technique reduces the power consumption, and the transformer-based Armstrong configuration improves the phase noise performance by increasing the negativ...
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Key words
CMOS integrated circuits,integrated circuit noise,low-power electronics,microwave integrated circuits,microwave switches,MMIC oscillators,phase noise,transformers,voltage-controlled oscillators
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