branch line couplers
A Novel Dual-Band Balanced Power Amplifier Using Branch-Line Couplers with Four Arbitrary Terminated Resistances
... Balanced power amplifier is a popular topology of the amplifiers, which consists of two identical single-stage power amplifiers, input power splitter and output power combiner [4–6]. The benefits of balanced amplifier ...
8
Miniaturized Hybrid Branch Line Couplers Based on a Square-Split Resonator Loading Technique
... compact branch-line couplers by decreasing the physical lengths of their branches compared to conventional structures ...hybrid branch line couplers (HBLCs) operate at ...
10
Novel Compact Dual-Band Branch-Line Couplers with Half Elliptical-Ring Impedance Stub Lines
... dual-band branch-line couplers based on half elliptical-ring impedance stubs are ...to couplers, which is favorable for miniaturizing the branch-line ...different ...
7
Compact Branch-Line Coupler Using Uniplanar Spiral Based CRLH-TL
... Microstrip branch-line couplers, which offer equal amplitude and 90-degree phase shift between two out-ports, have been widely used in microwave circuits and systems, such as adaptive antenna arrays, ...
7
A New Miniaturized Microstrip Branch-Line Coupler with Good Harmonic Suppression
... Branch-line couplers are extensively used at microwave frequencies in the design of microwave circuits such as balanced mixers, image-rejection mixers, balanced amplifiers, power combiners, and power ...
6
Miniaturized Branch-Line Coupler with Wide Upper Stopband Using Right-Angled Triangle Artificial Transmission Line
... device, branch-line couplers have been widely used in modern radio frequency systems such as beam-forming network, balanced amplifiers, phase shift and mixers ...a branch-line coupler ...
6
A Miniaturized Triple-Band Branch-Line Coupler Based on Simplified Dual-Composite Right/Left-Handed Transmission Line
... of branch-line coupler. In paper [2, 3], dual-band branch-line couplers are realized by adding the cross couple-lines to the parallel-lines and third branch-line in the ...
10
A new design method for a dual band branch line hybrid coupler
... Development of the modern wireless communication systems with various frequency standards is accompanied by the active usage of multiband microwave devices. As a directional coupler is one of the base components of Radio ...
7
Compact Slow-Wave Branch-Line Coupler Using Crossing Bond Wires
... Branch-line couplers are widely used in microwave circuits, such as balanced mixers, balanced amplifiers, phase shifters and frequency ...conventional branch-line coupler consists of ...
5
Reconfigurable 3/6 dB Novel Branch Line Coupler
... Branch line couplers, parallel coupled-line couplers, and rat-race hybrids are very important passive components in many wireless communication and mi- crowave ...hybrid ...
16
A New Miniaturized Microstrip Branch-Line Coupler with Wide Suppression Band
... Branch-line couplers are extensively used at microwave frequencies in the design of microwave circuits such as balanced mixers, image-rejection mixers, balanced amplifiers, power combiners, and power ...
6
Miniaturization of Three-Section Branch-Line Coupler Using Diamond-Series Stubs Microstrip Line
... Branch-line couplers (BLC) are passive microwave devices primarily used in signal monitoring, power division, and power ...conventional branch-line coupler is that at low frequencies it ...
9
A Miniaturized Branch-Line Coupler with Wideband Harmonics Suppression
... conventional branch-line couplers usually consist of four quarter-wavelength transmission ...of couplers occupies a large circuit area at low frequencies, and operates at a fundamental ...
9
A New Equal Power Quadrature Branch Line Coupler for Dual-Band Applications
... Multiband radio frequency circuits are essential components to design compact and low cost multiband wireless communication systems. Branch line couplers and power dividers are a few of the main ...
7
A Compact Dual-Band Planar Branch-Line Coupler
... chain, branch-line couplers [2], that always provide equal amplitude and quadrature phase outputs within the designed operating frequency band, have attracted more and more interests, especially for ...
10
A Novel Microstrip Branch-Line Coupler with Wide Suppression Band
... Branch-line couplers are extensively used at microwave frequencies in the design of microwave circuits such as balanced mixers, image-rejection mixers, balanced amplifiers, power combiners, and power ...
5
Nanophotonic and nanoplasmonic couplers: Analysis and fabrication
... photonic couplers that achieve mode matching between hybrid ...PC line-defect ...crossed line- defect waveguides formed in a square lattice PC structure can be achieved by using a resonant cavity at ...
183
Using a VIA-Less CRLH Transmission Line to Design Compact Wilkinson Power Dividers and Rat-Race Couplers
... meander line segments that causes a series resonance in vertical branch which is modeled in ...meander line segments are defined by lcap, wmndr and Smndr, respectively which change the CVP and ...
7
Optimisation of reinforcement bar couplers
... all couplers, was ...three couplers, ie 32, 40, and 50mm, were shown to be beyond these key principles both economically and ...ET50 couplers did not perform to the existing performance ...
157
Temperature Effects in Fiber Couplers
... Optical couplers are passive devices which either split an optical signal into multiple paths or combine several signals into one path [2-3]. The output of the directional coupler is influenced by several things ...
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