首页|High-Power 270-GHz Oscillator With Harmonic Output Power Optimization Using Series Resonance Feedback
High-Power 270-GHz Oscillator With Harmonic Output Power Optimization Using Series Resonance Feedback
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NETL
NSTL
IEEE
This brief proposes a high-power harmonic oscillator topology that adopts a series LC resonant feedback network to minimize the effective parasitic capacitance of the oscillator at the fundamental frequency while increasing the output power at the second harmonic by enabling a larger transistor size and minimizing the common-mode output conductance. Implemented in the 28-nm CMOS technology, the proposed 270-GHz oscillator achieves a peak output power of −3.2 dBm, a peak dc-to-RF efficiency of 0.81% and phase noise values of −56.8, −84.68 and −90.12 dBc/Hz at 100 kHz, 1 MHz and 10 MHz offsets, respectively.
OscillatorsHarmonic analysisPower generationPower system harmonicsTransistorsPassive networksInductorsTopologyCMOS technologyTransceivers
Abdul Qahir、Kyung-Sik Choi、Jong-Phil Hong、Sang-Gug Lee
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School of Electrical Engineering, Korea Advanced Institute of Science & Technology, Daejeon, Republic of Korea
Department of Electronic Engineering, Seoul National University of Science and Technology, Seoul, Republic of Korea
School of Electrical Engineering, Chungbuk National University, Cheongju-si, Republic of Korea
NETL
NSTL
IEEE
