3-branch-line coupler
Miniaturization of Broadband 3-dB Branch-Line Coupler
... broadband 3-dB branch- line coupler at the center frequency of 880 MHz is ...proposed coupler is designed by means of integrated miniaturization method, which consists of shunt ...
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Novel CRLH TL Metamaterial and Compact Microstrip Branch-Line Coupler Application
... The use of a single technology does not always fully fulfill the requirement in terms of compactness. Consequently, the combined technology of fractal geometry and CRLH TL is a good candidate and preferably considered. ...
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Analysis of Branch Line Coupler with Arbitrary Gains and Phase Shifts
... the branch line coupler. In the proposed coupler the branch length and impedance of branch line coupler is varied in order to control the gains and ...port 3 ...
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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
... Figure 3 shows the layout of the proposed model combined with CSRRs and its lumped element equivalent circuit. As shown, the series capacitance implemented by a series gap, interdigital capacitor or short-circuit ...
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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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Harmonic Suppression of Branch-Line and Rat-Race Coupler Using Complementary Spilt Ring Resonators (CSRR) Cell
... a branch line coupler and rat-race coupler for 3rd harmonic suppression was designed and fabricated with the common PCB process without via holes and bonding ...
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A Novel Miniaturized Branch-Line Coupler with Equivalent Transmission Lines
... needs precise inductor models based on careful measurements of test elements [3, 4]. The combination of shunt lumped capacitors with short high-impedance transmission lines is another option in shrinking the ...
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A Novel Microstrip Branch-Line Coupler with Wide Suppression Band
... microstrip branch-line coupler with compact size and wideband harmonic suppression based on the previous works ...one branch- line coupler with operation central frequency ...
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A Novel Compact Feeding Network for Array Antenna
... The dimensions of couplers and power divider are presented in Table 1 according to Fig. 2(a). The system in Fig. 2(a) is composed of two branch-line couplers which occupy a large area especially at low ...
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A New Equal Power Quadrature Branch Line Coupler for Dual-Band Applications
... coupled line and conventional TL, connected in parallel form, where Z e , Z odd and θ are the characteristic even-odd mode impedances and the electrical length of the coupled line respectively, while Z o is ...
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A Novel Dual-Band Π-Shaped Branch-Line Coupler with Stepped-Impedance Stubs
... Branch-line coupler is one of the most important passive components widely used in modern communication ...dual-band branch-line couplers have been investigated and designed ...T-shaped ...
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A Miniaturized Filtering 3-dB Branch-Line Hybrid Coupler with Wide Suppression Band
... transmission line theory, we can see that a quarter-wavelength transmission line has an impedance inverse transform function, so it can be used as a ...Fig. 3 shows the simulated frequency responses ...
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Branchline Coupler as Duplexer
... of branch line coupler as a duplexer for 3 GHz ...of branch line coupler to make them work as a ...at 3 GHz had been ...at 3 GHz had been ...
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Compact and Performance Evaluation of Branch-Line Hybrid Coupler Microstrip for Long Term Evolution Applications
... The Branch-Line Hybrid Couplers (BLHCs) is the most passive component that finds various applications in modern microwave and millimeter communication systems [1, ...use branch-line couplers ...
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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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Miniaturized Branch-Line Coupler with Wide Upper Stopband Using Right-Angled Triangle Artificial Transmission Line
... Fig. 3, it can be observed that the simulated Z c and phase delay at 1 GHz are ...transmission line, the length of a 50 Ω conventional transmission line is more than 50 ...
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A new design method for a dual band branch line hybrid coupler
... (tri- branch-line construction) has been used with the object of bandwidth ...two-branch-line coupler realization one can note the next main ...of line [4] or meander lines [5] ...
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Miniaturized Microstrip Branch-Line Coupler with Good Harmonic Suppression Based on Radial Stub Loaded Resonators
... Abstract—In this paper, a novel miniaturized microstrip branch-line coupler (BLC) with good harmonic suppression using radial stub loaded resonators is proposed. The novel structure has two ...
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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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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 branch-line ...
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