branch line coupler
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 ...
7
A New Miniaturized Microstrip Branch-Line Coupler with Good Harmonic Suppression
... proposed branch-line coupler is shown in ...conventional branch-line ...high-impedance line and a long low-impedance line with ...high-impedance line is very short ...
6
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 ...
6
Miniaturization of Three-Section Branch-Line Coupler Using Diamond-Series Stubs Microstrip Line
... the branch-line coupler ...overall coupler length and stub size are reduced compared to that of the design mentioned in Section ...the coupler with the open stubs. 2. TRANSMISSION ...
9
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 ...
12
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 ...
10
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 ...
14
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 ...
6
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 ...the ...
5
Miniaturized Branch-Line Coupler with Wide Upper Stopband Using Right-Angled Triangle Artificial Transmission Line
... a branch-line coupler is synthesized by combining 50 Ω and ...designed coupler has an ultra-wide harmonic suppression band (more than 15f c ) in high ...
6
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 ...
10
Design of Planar Dual-Band Branch-Line Coupler with Π-Shaped Coupled Lines
... dual-band branch-line coupler, which is useful in various microwave circuits, such as balanced amplifiers, balanced mixers, phase shifters and data ...dual-band branch-line ...
8
Miniaturized Size Branch Line Coupler Using Open Stubs with High-Low Impedances
... a coupler. As stated earlier in the introduction, conventional branch-line coupler has a bulky dimension at a lower ...size branch-line coupler, ...
10
Realization of a Compact Branch-Line Coupler Using Quasi-Fractal Loaded Coupled Transmission-Lines
... Recently we introduced a compact model of a quarter-wavelength transmission-line using a loaded coupled transmission-line [8, 9]. It has been shown in [8] that the use of a cascade of two coupled ...
8
Compact Branch-Line Coupler Using Uniplanar Spiral Based CRLH-TL
... a branch-line coupler operating at 1 GHz has been ...a branch-line ...transmission line. Good impedance matching between the transmission line and both lumped ports ...
7
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 ...
5
Miniaturization of Broadband 3-dB Branch-Line Coupler
... Lumped-element is widely used to miniaturize the coupler. Distributed capacitor in the inner area has been presented in [5, 6] and miniaturized double-stage 3-dB branch-line coupler is given ...
8
A Compact Dual-Band Planar Branch-Line Coupler
... transmission line theory, the equivalent structure of quarter-wavelength branch line is discussed in ...of branch-line coupler with open-circuit stubs and short-circuit stubs was ...
10
A Miniaturized Branch-Line Coupler with Wideband Harmonics Suppression
... as θ less than 45 ◦ , which leads to a miniaturized structure. Fig. 4 shows the schematic of the proposed branch-line coupler. It is noticed that the open stub Z o represents Z s1 in parallel with Z ...
9
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 ...
16