[PDF] Top 20 Compact Harmonic Suppressed Coupler Using T-Stub Loaded Transmission Line

... branch line is a special case of directional coupler with a coupling factor of 3 dB and a phase difference in the outputs of the through and couple arms ...3db coupler when power entering at one port ... See full document

... a loaded coupled transmission lines and complementary split ring resonators ...the loaded part of the proposed model is equal by that of two cascaded unit elements, thus, their performances can be ... See full document

... branch-line coupler consists of four quarter-wavelength branches which occupy a very large area, especially at low ...methods using lumped elements [1–3], meander lines [4], coupled lines [5], open ... See full document

... branch-line coupler, which is useful in various microwave circuits, such as balanced amplifiers, balanced mixers, phase shifters and data ...branch-line coupler was proposed using ... See full document

... frequency independent from 0.6 GHz to 1.2 GHz, which mean that both the planar SD-CRLH TLs with N = 3 and N = 5 can replace the conventional quarter-wavelength microstrip line. While for N = 5, the planar SD-CRLH ... See full document

... filter using radial stub loaded resonators is ...main transmission line loaded with five radial stub loaded resonators by five high impendence transmission ... See full document

... a stub-loaded transmission line is studied to replace the quarter-wavelength transmission lines equivalently in the traditional rat-race coupler to realize miniaturization and ... See full document

... BPFs using this kind of method have relatively large circuit ...a compact microstrip wideband BPF based on a square ring loaded resonator (SRLR) is proposed, which is formed by loading a pair of bent ... See full document

... novel compact BPF with good out-band rejection performance is realized using the dual-mode open stub- loaded ...open stub and circular open stubs in pairs to a high impedance microstrip ... See full document

... quad-mode stub-loaded ring ...a compact circuit size and relatively wide upper ...more transmission zeros, which greatly improve the selectivity of the ... See full document

... short stub loaded resonator (SRSSLR) into the initial UWB ...ring loaded resonator (SRLR) has been extensively studied to develop various types of microwave devices ...centrally loaded ... See full document

... branch-line coupler miniaturization can be found in recent research works ...velocity. Using artificial transmission lines is another approach for size reduction [5, ...quarter-wavelength ... See full document

... a compact shunt-C metamaterial feed-line for a ...two harmonic modes that radiate at ...a harmonic suppresser and a quarter- wave ...printed using the conventional approach. Similar ... See full document

... on stub loaded transmission lines and a defected ground structure for GSM ...improved harmonic suppression, which is in great demand in microwave wireless communication ... See full document

... a compact and high selectivity broadband BPF with the fractional bandwidth 57%, as shown in Figure 1, is proposed using the dual-mode folded-T-type resonator and the short stub loaded ... See full document

... quadrature coupler at 2.45 GHz. The design topology is based on reduced transmission line branch arms using recursively loaded stubs that contribute to the compact ...proposed ... See full document

... with compact size and wideband harmonic suppression using radial stub loaded resonators is present based on our previous works ...GHz using radial stub loaded ... See full document

... a compact model of a quarter-wavelength transmission-line using a loaded coupled transmission-line [8, ...reduction using previously reported ...branch-line ... See full document

... th harmonic suppression using two open stubs located at the center of the quarter-wave branches was proposed in [1], where the third harmonic component was suppressed to less than −40 ... See full document

... a compact planar unequal rat-race coupler with harmonic suppression is proposed by using the enhanced T-shaped transmission ...with T- shaped transmission lines for ... See full document