Coupling coefficient reconfigurable quadrature coupler based on mechanical switches
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Electromagnetic Waves and Applications"
DOI: 10.1080/09205071.2017.1355267
Abstract: Abstract The conventional reconfigurable quadrature coupler configuration usually requires an external supply voltage which reduces its robustness. A new quadrature coupler with reconfigurable coupling coefficient is implemented using a mechanical control approach to simultaneously satisfy… read more here.
Keywords: coupling coefficient; mechanical switches; coupler; quadrature coupler ... See more keywords
Wideband Millimeter-Wave On-Chip Quadrature Coupler With Improved In-Band Flatness in 0.13- $\mu$ m SiGe Technology
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Electron Device Letters"
DOI: 10.1109/led.2018.2814997
Abstract: This letter proposes a compact and broadband quadrature coupler with a center frequency of 55 GHz, which consists of a 90° broadside coupled-line to support the differential signal propagation and two T-type L-C networks to… read more here.
Keywords: chip quadrature; wideband millimeter; coupler; quadrature coupler ... See more keywords
A Truly Balanced Q-Band CMOS Frequency Doubler Based on Hybrid Quadrature Coupler
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2016.2646909
Abstract: In this letter, a truly balanced CMOS Q-band frequency doubler with an ultra-compact differential hybrid quadrature coupler is demonstrated using 90-nm CMOS technology. The doubler incorporates two Gilbert-cells fed by I/Q signals to compensate the… read more here.
Keywords: quadrature coupler; doubler; frequency doubler; truly balanced ... See more keywords
A design of wideband high-power 3-dB quadrature coupler using defected ground structure for status data transmitting system
Sign Up to like & getrecommendations! Published in 2020 at "Bulletin of Electrical Engineering and Informatics"
DOI: 10.11591/eei.v9i1.1699
Abstract: The paper presents a wideband 3-dB quadrature coupler designed for operation at 2 GHz. The presented coupler is based on a broadside-coupled suspended structure in combination with a proposed defected ground structure (DGS) allowing for… read more here.
Keywords: quadrature coupler; defected ground; high power; coupler ... See more keywords