Rat Race
A Compact Uniplanar Rat-Race Coupler with Arbitrary Power Division Ratio and Harmonics Suppression
... unequal rat-race coupler with harmonic suppression is proposed by using the enhanced T-shaped transmission ...some rat-race couplers with T- shaped transmission lines for harmonic suppression ...
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A Miniaturized 3-dB Microstrip TRD Coupled-Line Rat-Race Coupler with Harmonics Suppression
... Besides the 3 λ/ 4 UTLS can be miniaturized, there are many methods for size reduction of both λ/ 4 and 3 λ/ 4 UTLS, such as meander lines [18], arbitrary electrical-length UTLS [19] and equivalent circuits [20–25]. For ...
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Size Reduction and Harmonic Suppression of Rat-Race Hybrid Coupler Using Defected Microstrip Structure
... conventional rat-race coupler presents spurious passbands at harmonic frequencies, which tend to degrade the performance of the overall RF ...compact rat-race coupler with intrinsic spurious ...
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Harmonic Suppression of Branch-Line and Rat-Race Coupler Using Complementary Spilt Ring Resonators (CSRR) Cell
... microstrip rat-race and branch-line ...a rat-race and a branch-line coupler are designed and fabricated using conventional printed-circuit board fabrication ...
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Coupled Line Rat-Race Coupler with Wide Adjustable Power Dividing Ratio and Uncrossed Input/Output Ports
... a rat-race coupler with −9 ∼ 6 dB power dividing ratio is ...the rat-race coupler, frequency compensating networks are adopted, and the fractional bandwidth is broadened to 40% ...the ...
10
Broadband Substrate Integrated Coaxial Line to Cbcpw Transition for Rat-Race Couplers and Dual-Band Couplers Design
... Section 3, the application of SICL-to-CBCPW transition to the SICL 3 dB rat-race coupler for maintaining good performance and reduction in size was discussed. Compared with a conventional transmission line, ...
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Using a VIA-Less CRLH Transmission Line to Design Compact Wilkinson Power Dividers and Rat-Race Couplers
... Abstract: A method for design and implementation of a compact via-less Composite Right/Left-Handed Transmission Line (CRLH TL) is presented. By introducing a new circuit model, the CRLH transmission line behavior is ...
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Diversity Monopulse Antenna Based on a Dual-Frequency and Dual Mode CRLH Rat-Race Coupler
... mode rat- race coupler that has been designed by using Composite Right/Left Handed (CRLH) Transmission Lines ...mode rat-race requires that the phase delay of the CRLH lines must be different ...
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A Compact 2.4/5.2-GHz Rat-Race Coupler on Glass Substrate
... In this paper, a lumped 2.4/5.2-GHz rat-race coupler in a CMOS-compatible process is presented for wireless local area network (WLAN) applications. The process provides a low-loss glass substrate to reduce ...
10
Miniaturization of Rat-race coupler with Harmonic suppression technique
... common in microwave circuit designs. However, to our best knowledge, it is the first time that such a stub-loaded transmission line is studied to replace the quarter-wavelength transmission lines equivalently in the ...
6
Synthesis of a Broadband Rat-Race Hybrid Using Transmission Lines and Lumped-Element Components
... broadband rat-race consisting of a miniaturized broadband rat-race hybrid and transmission line ...proposed rat-race ...broadband rat-race hybrid are also reported. ...
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LTCC Differential-Fed Patch Antennas with Rat-Race Feeding Structures
... novel rat-race feeding patch antenna with low ...the rat-race go through the ground aperture to excite the patch ...conventional rat-race, of which the isolated port is ...
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Design of Miniaturized Rat-Race Couplers with Arbitrary Power Division Ratios
... miniaturized rat-race coupler with arbitrary power division ratio is proposed in this ...the rat-race coupler with arbitrary power division ratio are derived using even-odd decomposition ...dB ...
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‘Cognitive capitalism’ and the rat race: how capital measures immaterial labour in British universities
... University of East London Institutional Repository http //roar uel ac uk This paper is made available online in accordance with publisher policies Please scroll down to view the document itself Please[.] ...
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An Improved Design of Dual-Band 3 dB 180° Directional Coupler
... (Here, the tolerances of amplitude and phase mismatches are 1 dB and 5 ◦ , respectively). The amplitude imbalance and phase imbalance are caused by several reasons such as fabrication tolerance, junction loss and ...
10
Dual Composite Right/Left-Handed Leaky-Wave Structure for Dual-Polarized Antenna Application
... Abstract—An effective development of a dual composite right/left- handed (D-CRLH) leaky-wave (LW) structure for dual-polarized antenna application is presented. The dual-polarized antenna consists of a two-section 3-dB ...
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Securitizing British India: A New Framework of Analysis for the First Anglo Afghan War
... by race/ethnicity, sex, and ...then race independently; then by both age and race; then by both age and sex, and lastly by age, sex, and ...The race/ethnic groups the data were classified in ...
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STUDIES ON HYBRID STERILITY. II. LOCALIZATION OF STERILITY FACTORS IN DROSOPHILA PSEUDOOBSCURA HYBRIDS
... This fact may arouse the sus- picion that homozygosis for the race B third chromosome is incongruent with race A cytoplasm, in such a way that in males carrying race A cyto- p[r] ...
23
Race and mental health : there is more to race than racism
... Summary points The “Count me in” census for England and Wales showed higher rates of admission for mental illness and more adverse pathways to care for some black and minority ethnic gro[r] ...
6
Monthly Statistics of Eggs. 12-1978
... Poulettes de race ponte sélection et multiplication Poulettes de race chair sélection et multiplication Poulettes de race ponte utilisation Poussins de race chair utilisation Poussins de[r] ...
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