phase shifter
Fast RF ferrite phase shifter for high-power applications
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Fast rf phase shifters may be needed, in powering a superconducting linac, between rf generators and accelerating cavities when one klystron feeds more than one cavity. The configuration with one klystron for many cavities needs orthogonal controls of magnitude
Microstrip phased array patch antenna based on a liquid crystal phase shifter for optically generated RF -signals
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1 Introduction Electrical feeding and beamforming networks (BFN) for antenna arrays are lossy, bulky and costly components. To overcome these drawbacks, an optical beamforming network (OBFN) can be used. Additionally, the OBFN can be re- moved from the antenna
A review paper on design of distributed RF MEMS phase shifter for aerospace communication
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MEMS (Micro-Electro-Mechanical-System) phase shifter characteristics and importance in the wireless communication system. Also explains the different types of RF Phase shifters using different devices like PIN Diodes and Field-Effect-Transistors. It also helps to explain
Optical RF phase shifter design employing optical phase manipulation and coherent detection part i: concept proposal
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An optical radio-frequency ( RF ) phase shifter concept employing optical phase manipulation of a double-sideband (DSB) modulated optical signal and coherent detection is proposed in this paper. The technique performs broadband electrical phase shifting directly in the optical
Design of Miniaturized RF MEMS Based Single-Bit Phase Shifter
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This paper presents a novel design of single-bit RF MEMS phase shifter . The novelty introduced for phase shifter design in this case is scaling down of the lateral dimensions of the conventional RF MEMS shunt switch by 10 times. Hence, in terms of overall area
Conception of a tunable analog reflection-type phase shifter based on capacitive RF MEMS for radar application
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This paper proposes a new analog reflective type phase shifter based on a branch Line coupler (-3 dB, 90) and radio frequency micro-electromechanical ( RF MEMS) capacitive type shunt switch. The proposed scheme is controlled by an applied DC voltage and has the
Low-loss distributed 2-bit rf mems phase shifter for 60ghz applications
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This paper presents the design of a low loss 2-bit digital phase shifter using a high- impedance coplanar transmission line periodically loaded with miniature RF -MEMS switched capacitors. This phase shifter is designed to generate four phase states with an
LTCC Phase shifter modules for RF -MEMS-switch integration
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Abstract The European IST project ARHMS is covering a wide field of RD activities with the final goal: a satellite based car communication system with a flat electronically steerable roof antenna based on RF -MEMS. The required phase shift for beam steering will be done with
Design of a V-band Phase Shifter Using SP4T RF -MEMS Switches with Sonnet
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This paper presents the design of a V-band switched-line phase shifter using SP4T RF – MEMS switches. Sonnet simulations are used to achieve accurate circuit models of both the RF -MEMS switches as well as CPW bends within the phase shifter . The V-band phase
Optimization of a high-power ka-band RF -MEMS 2-bit phase shifter on sapphire substrate
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In this paper, the optimization of a low-loss radio frequency ( RF ) microelectromechanical (MEMS) 2-Bit Ka-Band monolithic Phase Shifter for highpower application is presented. These micro-strip circuits are fabricated on 0.254 mmthickSapphire substrate and are based
Investigation of using tapered Coplanar Waveguide in RF MEMS phase shifter
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This paper presents the analysis and design of coplanar waveguide (CPW) in distributed MEMS phase shifters for communication systems. The phase shift can be obtained by changing MEMS Bridge capacitors located periodically over the transmission line
Optical RF Phase Shifter Design Employing Optical Phase Manipulation and Coherent Detection Part II: Numerical Demonstration
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An optical radio-frequency ( RF ) phase shifter concept employing optical phase manipulation of a double-sideband (DSB) modulated optical signal and coherent detection has been previously proposed in Part I. In this paper, an industry-standard photonic simulator is
RF phase shifter using MEMS switches on a tapered coplanar waveguide
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This paper presents the analysis and design of tapered coplanar waveguide based RF phase shifter using MEMS switches for microwave and millimeter-wave applications. The equivalent circuit of the phase shifter has been analyzed with the capacitances of MEMS
LABVIEW BASED RF CHARACTERIZATION AND TESTING OF DUAL MODE PHASE SHIFTER
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RF characterization of C-band dual mode ferrite phase shifter cannot be done manually due to enormous and huge amount of data. So this paper provides the solution in term of automated procedure for testing of C-band DMPS in LabVIEW (Laboratory Virtual Instrument
Certain investigations on tapered coplanar waveguides for RF mems phase shifter applications
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5.1 CONCLUSION Various tapered coplanar waveguide structures have been presented for the design of RF phase shifter . The phase shifter circuit proposed is designed with the MEMS switches periodically loaded over the tapered sections and with the BST ferroelectric
90 degrees phase shifter (PS/ RF -HC 3187)
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After phase difference detection of the input and output signals, performed by rf multiplication (IC2) followed by adequate filtering of the harmonic components, the error voltage is amplified by IC3 and applied to the gates of Q3, Q4 to obtain the phase loop which
Design of a Dynamic 3 Bit Phase Shifter by RF CMOS Technology and Tunability with Neural Network
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Advances in Environmental Biology, 8(12) July 2014, Pages: 673-679 Journal home page: http://www.aensiweb.com/AEB Corresponding Author: Ahmad khosravi, Sama technical and vocational training college, Islamic Azad University, Khorramabad branch
Heterodyne Technique Using Phase Shifter for RF and Microwave Measurement
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This research paper proposes a technique for RF and microwave measurement of circuit and device characteristics using a heterodyne with a new phase (frequency) shifter . A nonlinear transmission line (NLTL) was employed as a main structure of the phase shifter in
Waveguide-Mounted RF MEMS for Tunable W-band Analog Type Phase Shifter
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A novel MEMS enabled W-band waveguide transmission phase shifter is presented. It consists of a ridge waveguide half-wavelength long resonator and an electrostatically actuated tilting micro-mirror MEMS. Operation is described as a distributed variable shunt
RF MEMS Miniature Switched Capacitor based Phase Shifter
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Acknowledgement: The authors would like to offer their sincerest gratitude to Indian Nanoelectronics Users Program (INUP), IIT Bombay since the entire fabrication part of the characterization was carried out at CEN, IIT Bombay under INUP, sponsored by DIT, MCIT
DESIGN AND FABRICATION OF RF MEMS DMTL PHASE SHIFTER FOR COMMUNICATION APPLICATIONS
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I wish to express my sincere appreciation to my Ph. D. supervisor Dr. Seema Verma and co- supervisor Dr. KJ Rangra for the knowledge, insight, valuable guidance, continuous encouragement and faith in my work and abilities throughout this research. I would
Description of PLDs used in the High Resolution Phase Shifter (PS- RF -LS-5001)
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Page 1. EUROPEAN ORGANIZATION FOR NUCLEAR RESEARCH ORGANISATION EUROPEENNE POUR LA RECHERCHE NUCLEAIRE CERN PS DMSION PSI RFI Note 94-28 Description of PLDs Used in the High Resolution Phase Shifter (PS/ RF -LS 5001). BJ
180-degrees RF phase shifter with microstripline
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Ab stract This paper describes the microstripline 1800 step phase shifter at frequency 2797 MHz for the SL AC E nergy D oubler (SLED) system. The circuit and phase shifter structure allow executing the simple regulation of phase at the wide interval phase shifts and also