branch-line coupler (BLC)
A New Equal Power Quadrature Branch Line Coupler for Dual-Band Applications
... Abstract—We present a new equal power quadrature branch line coupler (BLC) for dual-band applications in this paper. A new topology of the dual-band quarter wavelength transmission lines (TL) with ...
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Realization of a Compact Branch-Line Coupler Using Quasi-Fractal Loaded Coupled Transmission-Lines
... a branch-line coupler several techniques have been previously ...uniplanar line; and in [2] a size reduction of 55% is achieved using rectangular patches within the coupler ...
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Analysis of Branch Line Coupler with Arbitrary Gains and Phase Shifts
... branch line coupler (BLC) that can control the gains and phase ...series branch length and its ...one branch length and impedance of the conventional coupler and all the other ...
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A Novel Miniaturized Branch-Line Coupler with Equivalent Transmission Lines
... the branch-line coupler is shown in ...the branch line coupler are shown in ...the branch-line coupler, we consider the scattering matrix of the ...
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Loaded Coupled Transmission Line Approach of Left-Handed (LH) Structures and Realization of a Highly Compact Dual-Band Branch-Line Coupler
... Abstract—A novel approach of left-handed (LH) structures is introduced to reduce the size of microwave components by combining a loaded coupled transmission lines and complementary split ring resonators (CSRRs). The ...
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Miniaturized Microstrip Branch-Line Coupler with Good Harmonic Suppression Based on Radial Stub Loaded Resonators
... Branch-line coupler (BLC) is widely used at microwave frequencies in the design of microwave circuits such as power dividers, balanced amplifiers, and balanced filters ...
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Miniaturization of Three-Section Branch-Line Coupler Using Diamond-Series Stubs Microstrip Line
... conventional branch-line coupler is that at low frequencies it will consume a significant amount of circuit area and provides a narrow fractional bandwidth of 10 to 20% ...cascading branch ...
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Reconfigurable 3/6 dB Novel Branch Line Coupler
... A reconfigurable 3 6 dB novel branch line coupler was proposed in this paper. A unique feature of the proposed structure is that the tuning is through simple open and short circuit at the BLC’s ...
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Novel CRLH TL Metamaterial and Compact Microstrip Branch-Line Coupler Application
... transmission line (CRLH TL) is presented based on a high-low impedance section and a capacitive gap on the conductor strip, and a Minkowski-loop-shaped complementary split ring resonators (ML- CSRRs) etched on the ...
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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 ...
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A New Miniaturized Microstrip Branch-Line Coupler with Good Harmonic Suppression
... microstrip branch-line coupler with harmonic ...the coupler with shunt ...the branch-line coupler, Eccleston et al. designed a branch-line coupler ...
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Miniaturized Size Branch Line Coupler Using Open Stubs with High-Low Impedances
... miniaturized branch-line coupler is ...miniaturized branch-line coupler is designed and fabricated with a low-cost FR4 substrate as a platform in producing significantly ...
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Compact Branch-Line Coupler with Harmonic Suppression Based on a Planar Simplified Dual Composite Right/Left-Handed Transmission Line Structure
... Branch-line coupler is an important passive component in practical microwave circuits, which is commonly used in the design of mixers, balanced amplifiers and power dividers, ...conventional ...
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Miniaturized Branch-Line Coupler with Wide Upper Stopband Using Right-Angled Triangle Artificial Transmission Line
... Abstract—Based on a novel right-angled triangle artificial line, a branch-line coupler is designed in this letter. The measured results indicate that the proposed branch-line ...
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Design of Planar Dual-Band Branch-Line Coupler with Π-Shaped Coupled Lines
... of a pair of coupled lines and two open stubs attached to its two ends. This structure introduces more design freedom in the branch-line coupler to realize the desired dual-band operations. Design ...
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A New Miniaturized Microstrip Branch-Line Coupler with Wide Suppression Band
... proposed branch-line coupler is shown in ...conventional branch-line ...high-impedance line and a long ring low-impedance ...high-impedance line is very short, less than ...
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A Novel Dual-Band Π-Shaped Branch-Line Coupler with Stepped-Impedance Stubs
... compact branch-line coupler operating in two arbitrary frequencies is proposed, analyzed and ...the branch-line coupler to achieve dual- band ...microstrip coupler ...
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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, ...
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Compact Slow-Wave Branch-Line Coupler Using Crossing Bond Wires
... conventional branch-line coupler consists of four quarter-wavelength branches which occupy a very large area, especially at low ...transmission line with a SWF of ...compact ...
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A Miniaturized Branch-Line Coupler with Wideband Harmonics Suppression
... miniaturized branch-line coupler with suppression of wideband harmonics based on a unit of transmission-line section with ...quarter-wavelength line in conventional ...
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