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IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 02/2015, Volume 63, Issue 2, pp. 414 - 421
This paper presents the design, fabrication, and measurement of a reconfigurable quadrature hybrid coupler and a tunable low-loss reflective-type phase shifter... 
Micromechanical devices | Radio frequency | Base stations | capacitive switches | Phase shifters | Capacitors | tunable circuits and devices | RF microelectromechanical systems (MEMS) | Couplers | quadrature hybrid couplers | Capacitance | Transmission line measurements | phase shifters
Journal Article
IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 02/2013, Volume 61, Issue 2, pp. 746 - 753
Journal Article
IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, 11/2012, Volume 22, Issue 11, pp. 565 - 567
This letter presents, for the first time, a dual-band filtering quadrature coupler with high skirt selectivity. The proposed coupler employs two sets of... 
Couplings | bandpass filter (BPF) | dual-band | Q factor | Dual band | Couplers | Quadrature coupler | Filtering theory | Passband | Microwave filters | filtering coupler | ENGINEERING, ELECTRICAL & ELECTRONIC | Filtering | Filtration | Skirts | Joining | Resonators | Microwaves | Feeding | Quadratures
Journal Article
IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 09/2018, Volume 66, Issue 9, pp. 4017 - 4028
Journal Article
IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, 03/2019, Volume 29, Issue 3, pp. 210 - 212
Journal Article
IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, 09/2017, Volume 27, Issue 9, pp. 857 - 858
In the above paper [1] , the authors proposed a quadrature phase difference equal power division-coupled line coupler.... 
Wireless communication | Couplings | quadrature phase | coupled-lines coupler | Couplers | Bandwidth | Branch line coupler | transmission phase | Linear matrix inequalities
Journal Article
IEEE Microwave and Wireless Components Letters, ISSN 1531-1309, 03/2016, Volume 26, Issue 3, pp. 165 - 167
In this letter, a compact quadrature coupler based on a circular sector patch element with metallic posts loading along the edge, is proposed to provide a wide... 
Couplings | A wide range of coupling coefficients | Millimeter wave technology | Ports (Computers) | Couplers | Bandwidth | Frequency measurement | millimeter-wave | circular sector patch | quadrature coupler | Substrates | GUIDE | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
IEEE Transactions on Microwave Theory and Techniques, ISSN 0018-9480, 1/2020, pp. 1 - 14
In this article, for the first time, a novel four-port coupler with reconfigurable multifunctions of filtering rat-race coupler (FRC), filtering branch-line... 
Bandwidth tuning | filtering branch-line (quadrature) coupler (FBC) | filtering rat-race (hybrid) coupler (FRC) | power division ratios (PDRs) | reconfigurable filter | reconfigurable coupler
Journal Article
Journal of Electromagnetic Waves and Applications, ISSN 0920-5071, 12/2016, Volume 30, Issue 18, pp. 2355 - 2364
A simultaneous frequency- and coupling coefficient-reconfigurable quadrature coupler is presented in this letter for the first time. Owe to the simplicity of... 
Quadrature coupler | power division reconfigurable | coupling coefficient reconfigurable | frequency reconfigurable | PHYSICS, APPLIED | PHASE-DIFFERENCE | DIRECTIONAL COUPLER | HYBRID COUPLER | ENGINEERING, ELECTRICAL & ELECTRONIC
Journal Article
International Journal for Numerical Methods in Engineering, ISSN 0029-5981, 08/2017, Volume 111, Issue 7, pp. 660 - 675
Journal Article
Journal of Chemical Physics, ISSN 0021-9606, 03/2013, Volume 138, Issue 11, p. 111101
We present an efficient algorithm for evaluating a class of two-electron integrals of the form r(12)circle times r(12)/r(12)(n) over one-electron Gaussian... 
QUANTUM-CHEMISTRY | CONSTANTS | RECURRENCE RELATIONS | RYS QUADRATURE | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | BASIS-SETS | COMPUTATION | MOLECULAR INTEGRALS | CARTESIAN GAUSSIAN FUNCTIONS | Algorithms | Integrals | Relativistic theory | Gaussian | Derivatives | Computational efficiency | Spin-spin coupling | Quadratures
Journal Article
Microwave and Optical Technology Letters, ISSN 0895-2477, 08/2016, Volume 58, Issue 8, pp. 1961 - 1964
ABSTRACT This letter presents a 2.1 GHz Class‐C quadrature voltage‐controlled oscillator (QVCO) working on coupling two identical Class‐C VCOs. The class‐C... 
quadrature voltage‐controlled oscillators (QVCOs) | varactor coupling | Class‐C oscillator | phase noise | Class-C oscillator | quadrature voltage-controlled oscillators (QVCOs) | OPTICS | LOW-POWER | ENGINEERING, ELECTRICAL & ELECTRONIC | Varactors | Noise | Voltage | Coupling | Microwaves | Tuning | Oscillators | Quadratures
Journal Article