directional coupler
Directional Coupler Frekuensi Radio Menggunakan Dua Jalur Asimetris Mikrostrip untuk Sistem Radar X-band
... desain coupler untuk saluran TEM (transverse electric magnetic) seperti couple line directional coupler berdasarkan asumsi dari kecepatan fase (phase velocity) dari mode propagasi genap (even) dan ...
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Design, Simulation and Development of Wideband Directional Coupler at S Band
... for directional coupler have been ...the directional coupler for IRNSS receiver where the received power is in terms of mW, microstrip coupler is ...microstrip coupler suffers ...
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ANALYSIS OF DIRECTIONAL COUPLER WITH SYMMETRICAL ADJACENT PARALLEL WAVEGUIDES USING BEAM PROPAGATION METHOD
... A directional coupler or diffusion coupler can be realized by keeping two symmetrical waveguides in close proximity to each other. The port through which wave is propagated can be called as primary ...
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Directional Coupler Using Multi-Stage Coupled Structure Theory
... coupled directional coupler cannot obtain the best indicators about the simple concatenation of two-single-stage coupling structure, thus, in order to achieve optimal coupling flatness, two methods have ...
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Non-volatile Optical Switch Based on a GST-Loaded Directional Coupler
... A directional coupler (DC) is a basic component in integrated photonics that couples light propagating in a waveguide to another parallel waveguide placed in close ...
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MoM Analysis and Design of a Compact Coaxial to Microstrip Directional Coupler
... coaxial-to-microstrip directional coupler convenient for power and antenna control application, are presented using the method of moments (MoM) in two ...
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Influence of Directional Coupler Position on Power Detection Accuracy
... the directional coupler is placed between the isolator and the antenna for power detection, the standing wave ratio between the isolator and the directional coupler at different center ...
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Photonic Crystal Directional Coupler Based Optomechanical Sensor
... An extremely small (6.5×6.5µm) optomechanical sensor is proposed that utilizes a photonic crystal (PC) etched onto silicon-on-insulator (SOI) using adapted complimentary metal-oxide- semiconductor fabrication technology. ...
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Saturable and dispersive parity time symmetric directional coupler: a transmission line modelling study
... This paper analysed the impact of the saturable and dispersive gain/loss material model on the eigenmode solutions of a PT directional coupler using the TLM method and curve fitting technique to extract the ...
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A Miniaturized Directional Coupler Using Complementary Split Ring Resonator and Dumbbell-Like Defected Ground Structure
... The directional coupler has been designed with the common PCB process on the substrate with ε r = 4 . 8, tan δ = 0 . 016 and thickness h = 1 mm. The parameters of the proposed divider are optimized by using ...
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An Improved Design of Dual-Band 3 dB 180° Directional Coupler
... ring coupler is presented in this paper. Coupler is a key element in front-end building blocks of wireless transceiver systems such as industrial systems and consumer electronic ...proposed coupler ...
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Wideband Directional Coupler for Millimeter Wave Application based on Substrate Integrated Waveguide
... in directional coupler with various techniques such binomial, Chebyshev, and superimposed to calculate the coupling of each ...the coupler characteristic [23]. The multi- hole waveguide ...
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Sensitivity Analysis of a Wideband Backward-wave Directional Coupler Using Neural Network and Monte Carlo Method (RESEARCH NOTE)
... backward-wave directional coupler due to fabrication imperfections using Monte Carlo method is ...the coupler model thousands of ...the coupler and the frequency response of the coupler ...
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Accurate Analysis of the Mode (de)multiplexer Using Asymmetric Directional Coupler
... symmetric directional coupler, the width of the waveguides are identical, and as a result, power may transfer from one waveguide to the other ...identical coupler, power cannot be exchanged between ...
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Analysis and Design of an Ultra Wideband Directional Coupler
... multilayer directional coupler using hexagonal slot-coupled is ...the coupler can offer more parameter design flexibility than the proposed one in ...coupled coupler was designed and ...
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Substrate Integrated Waveguide Directional Coupler in Ku and Ka Bands
... (SIW) directional couplers for Ku and Ka bands are ...design directional coupler -3 db follow substrate integrated waveguide selection and aperture coupling theory as known from standard air-filled ...
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Coulomb blockade directional coupler
... We wish to point out an advantage intrinsic to this scheme with respect to quantum devices based on coher- ence effects: as for the case of single electron transistors [20, 21], appropriate geometries and materials can ...
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A Semi-Elliptical Wideband Directional Coupler
... the coupler increases considerably. Lange coupler [4–7] and tandem coupler [8–10] require extra bonding wires, narrow strips and small spacing between the coupled lines, making them inconvenient to ...
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Design of Multilayer and Multiline Microstrip Directional Coupler with Closed Form Relations
... Microstrip directional couplers have been widely used in variety of RF/Microwave ...type directional couplers make them a good component to detect and transmit desired signals without impacting the ...
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Planar Eight Port Waveguide Mono-Pulse Comparator
... By adding a waveguide phase shifter equivalent to 90 degree phase, we can convert directional coupler into planar magic tee, which will give the sum and difference of two inputs as shown in Fig. 9. The ...
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