coupled-line
Design of 3rdOrder Coupled Line Bandpass Filter for Wireless Application using Agilent ADS
... On a substrate with a dielectric constant of 3.38, the centerfrequency of 5.85 GHz was selected, the bandwidth is 200MHz, the minimum attenuation amounts to -20 dB and thepass-band ripple is obtained equal to 0.5 dB.Thus ...
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A REVIEW ON DIRECTIONAL COUPLERS WITH INTRODUCTION OF TRANSMISSION LINES IN BETWEEN COUPLED LINE SECTIONS
... This paper reviews latest trends in high directivity parallel coupled line directional couplers. These developments are characterized with the improvements in directivity with the use of uncoupled ...
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Quasi-Elliptic Wideband Bandpass Filters Using Stubs Loaded Anti-Parallel Coupled-Line
... parallel coupled-line BPF always suffers from second harmonic ...the coupled-line for generating new useful ...parallel coupled- line with different terminations was studied, and ...
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Improvement the Characteristics of the Microstrip Parallel Coupled Line Coupler by Means of Grooved Substrate
... microstrip coupled-line coupler using grooved ...each coupled-line of the conventional ...of coupled stages, there is a unique value of groove depth that makes the even- and odd-mode ...
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A Compact Dual-Band Coupled-Line Balun with Tapped Open-Ended Stubs
... In our case, the even-mode circuit (Fig. 2(b)) of the proposed dual band balun structure is naturally a transmission stop network for all bands. In fact, this is one of the ten typical two-port coupled line ...
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Multi Section Coupled Line Directional Couplers Design
... section coupled line couplers provide increased ...section coupled line directional couplers in strip line structures is the study for project work and to implement its design in ...
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A Complex Impedance-Transforming Coupled-Line Balun
... The analytical solutions and design procedures have been discussed in Section 2. In order to verify our proposed balun, an example is designed, simulated and measured. The microstrip balun, which operates at 2 GHz, is ...
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Design of generalised Chebyshev lowpass filters using coupled line/stub sections
... An exact design technique for realising generalised Chebyshev lowpass filters using coupled line/stub without approximating the series short circuited stubs has been demonstrated. The physical realisation ...
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Design and Simulation of Sixth order parallel coupled line band pass Chebyshev filter
... Abstract: The aim of this paper is to simulate sixth order 16.5 Ghz parallel coupled line Chebyshev band pass filter with 0.1db ripple. Simple simulation study and calculation are presented with RT duroid ...
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Design of a Coupled-Line Bandpass Filter for Satellite Dish Antenna Receiver
... the coupled-line filter. The gap between the coupled-lines is stated ...microstrip coupled-lines with no error. If the gap between coupled-lines becomes smaller, better performance can ...
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Miniaturization of Trans-Directional Coupled Line Couplers Using Series Inductors
... TRD coupled-line coupler is proposed to further reduce the volume, especially at low ...loaded coupled lines for miniaturizing the volume and improving the directivity of the TRD coupler [14, ...
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X-Band Filter Using Parallel Coupled-Line Technique With DGS
... The headline is Parallel Coupled-Line Technique with Defected Ground Structure for Bandpass Filter at 10G Hz. This project is personally new for me. Consequently, in the beginning of the project the basic ...
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Compact Directional Coupled-Line Coupler with Independent Power Division Ratios at Dual Bands
... Although the couplers in [11] and [17] have the same structure as the proposed coupler, this paper demonstrates a more general analysis for the structure shown in Fig. 1(b) so that it can provide independent power ...
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Design of compact coupled line wide band power divider with open stub
... four coupled lines. The coupled line widths are 1 mm and ...port line width is 2 ...coupled line. The resistors are connected at the end of each coupled line ...
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Design and Simulation of Coupled-line Couplers
... the coupled –line coupler circuit that have been plotted as shown in ...for coupled-line coupler A, while ...for coupled-line coupler ...
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A Modified Coupled-Line Schiffman Phase Shifter with Short Reference Line
... Abstract—A coupled-line circuit structure is proposed in this paper to design a modified Schiffman phase shifter with short reference ...transmission line theory and ABCD parameters, closed-form ...
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A Compact Wideband Bandpass Filter Using a Coupled-Line Quad-Mode Resonator
... the coupled line instead of the transmission line, a resonator displays an extra resonant mode compared with [3], and the resonant frequencies can be adjusted easily by changing the electrical ...
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Harmonic Suppression of Parallel Coupled Microstrip Line Bandpass Filter Using CSRR
... the coupled line width according to sinusoidal law has been suggested for suppressing the second ...Corrugated coupled microstrip lines are designed to equalize the odd and even mode phase velocities ...
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Electronically Switchable Ultra-Wide Band /Dual-Band Bandpass Filter Using Defected Ground Structures
... inter-digital coupled line sections, stepped impedance open stubs, coupled lines, and rectangular DGSs to realize high performance in the operation band with a compact size of ...
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Design and Implementation of a Compact Planar 4 X 4 Microstrip Butler Matrix for Wideband Application
... branch line couplers with lumped-distributed elements are adopted to reduce the size, and multi-U-shaped coupled-line Schiffman phase shifters are designed to get good transmission and phase ...
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