A Coupler-Based Differential mm-Wave Doherty Power Amplifier With Impedance Inverting and Scaling Baluns
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal of Solid-State Circuits"
DOI: 10.1109/jssc.2020.2970708
Abstract: Designing Doherty power amplifiers (PAs) at high millimeter-wave (mm-Wave) range remains a major challenge because most Doherty combiners at this frequency band are inefficient. To resolve this bottleneck, we analyze balun response under load variation… read more here.
Keywords: coupler based; impedance; impedance inverting; power ... See more keywords
Broad-band surface optical coupler based on a SiO2-capped vertically curved silicon waveguide.
Sign Up to like & getrecommendations! Published in 2018 at "Optics express"
DOI: 10.1364/oe.26.010400
Abstract: A chip-surface optical coupler based on a vertically curved Si waveguide was demonstrated for coupling with high-numerical-aperture single-mode optical fibers with a mode-field diameter of 5 µm. This device features a dome-like SiO2 coupler cap,… read more here.
Keywords: surface optical; coupler based; coupler; vertically curved ... See more keywords