Microwave/RF
EC2403-RF-and-Microwave-Engineering-Lecture-Notes
... All cavity magnetrons consist of a hot filament (cathode) kept at, or pulsed to, a high negative potential by a high-voltage, direct-current power supply. The cathode is built into the center of an evacuated, lobed, ...
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Transient and Steady State Analysis of Nonlinear RF and Microwave Circuits
... This paper offers a review of simulation methods currently available for the transient and steady-state analysis of nonlinear RF and microwave circuits. The most general method continues to be the ...
11
Frequency selective surface for rf/microwave signal transmission in energy saving glass
... Presented here, the measured transmission of RF/Microwave signals in Energy-Saving Glass (ESG) using a dual- layer bandpass Frequency Selective Surface (FSS). The results demonstrate a wider 1.5 GHz ...
5
The Effect of High Power at Microwave Frequencies on the Linearity of Non Polar Dielectrics in Space RF component
... In satellite communication systems, there are high power multichannel transmitters and wide- band receivers that have shared RF antenna transmission lines because of: 1) large power level difference between the ...
9
Design a Prototype of Wireless Power Transmission System Using RF/Microwave and Performance Analysis of Implementation
... Abstract—A prototype of wireless power transmission (WPT) system has been designed in small scale which can be used to drive portable electronic devices. For power transmitting purpose RF/microwave has been ...
6
RF and Microwave Low Power Dielectric Heating Using Parallel Plate Applicator to Control Insect Pests on Tomato Plant
... and Microwave frequency (MW) irradiations ...of RF and MW is used for post-harvest product and grains at very high power ...the RF and MW technology to control insect pests during the growth of a ...
9
Permittivity and Permeability of Polycrystalline Ba(CoZr)xFe12–2xO19 and Their Composite Thick Films at RF and Microwave Frequencies
... at RF and microwave frequencies. The dielectric parameters at both RF and microwave frequencies were measured for thick films, and found to be lower as compared to corresponding bulk ...these ...
11
Designs and Analyses of Some RF/Microwave Passive Elements on Cylindrical Cpws
... In this paper, CCPW short circuit element, CCPW open ended element and CCPW open circuit with a gap have been designed and simulated. First of all, the characteristic impedance and effective dielectric constant have been ...
9
Behavioral Modeling and Characterization of Nonlinear Operation in RF and Microwave Systems
... the RF and microwave domain are done with frequency domain ...Many microwave components, (including cables, connectors, passive devices, and antennas), remain linear over a wide dynamic range of ...
341
Design and Verification of Strip Line Directional Couplers for Various Applications in RF and Microwave Communication Systems
... the microwave integrated version of the microwave device that attracts towards miniaturization of the device without loosing the performance of the actual ...in RF and microwave communications ...
5
Frequency agile RF/microwave circuits using BST varactors
... including low tunability (<1.5:1, or 50%), slow switching speed (2-100 µs), and high bias voltage (50-100 V). In addition, they require hermetically sealed packaging, which is expensive and hard to integrate with ...
127
Comparative Study of RF/microwave IIR Filters by using the MATLAB
... A microwave filter is a two port network used to control the frequency response at a certain point in a microwave system by providing transmission at frequencies within the pass band of the filter and ...
6
INVESTIGATION OF FREQUENCY DEPENDENT PARAMETER OF GEWE-SiNW MOSFET FOR MICROWAVE AND RF APPLICATIONS
... the RF and high frequency performance of Gate Electrode Workfunction Engineered-Silicon Nanowire (GEWE-SiNW) MOSFET and the results so obtained are compared with Silicon Nanowire (SiNW) and Conventional MOSFET by ...
6
A Flexible Dual-Inflection Point RF Predistortion Linearizer for Microwave Power Amplifiers
... diode-based RF predistortion linearizer that can correct for the dual- inflection point type compression characteristics found in the gain profile of metal semiconductor field effect transistor (MESFET) based and ...
18
Photonic RF and microwave arbitrary waveform generator based on a soliton crystal 49GHz Kerr micro-comb
... To generate soliton crystal micro-combs, we amplified the pump power up to 30.5 dBm. When the detuning between the pump wavelength and the cold resonance became small enough, such that the intra-cavity power (Fig. 1) ...
7
Design and Characterization of Frequency Agile RF and Microwave Devices using Ferroelectrics
... such substrates are also not widely available in large sizes. Typically polycrystalline alumina is the most commonly used substrate in the microwave industry. There is need for a BST process that allows ...
306
Characterization Of Microwave Obtained Zno Thin Films By RF Magnetron Sputtering
... Zinc oxide films were deposited by r.f magnetron sputtering using a zinc target (99, 99%) with diameter of 51 mm and 6 mm thick. Substrate is p-type silicon with (100) orientation. The substrates were thoroughly cleaned ...
5
A STUDY OF RF-MEMS SWITCH
... of microwave switching. The growth rate of RF MEMS technology is increasing day by ...the RF MEMS is providing sharp filter, stable frequency, reduced loss, higher isolation (reduced cross talk), low ...
5
Sputter deposited tin oxide thin film properties and their application for radio wave propagation
... ratio was 24%. For comparison, the transmission through an uncoated glass is also shown in Figure-5(a). Our particular attention is the microwave frequency at 0.9 GHz, which is for GSM mobile signal applications. ...
7
Design and Implementation of V Shaped HF Antenna
... series microwave vector network analysers provide a complete solution for characterizing the linear behaviour of either active or passive networks over the 45 MHz to 50 GHz frequency ...a microwave ...
8