نتایج جستجو برای: microstrip ring

تعداد نتایج: 128522  

2014
Atul kumar Nitin Kumar

Abstract:This methodology involves complementary square split ring resonators and a microstrip patch antenna both designed to resonate at same frquency.The proposed antenna is made by using metamaterial reflecting surface to obtain the maximum gain hight of reflecting surface is adjusted.we uses an array of squared split ring resonator (SRR) printed on a low dielectric constant material as the ...

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :International Journal of Engineering and Technology 2017

Journal: :International Journal of Antennas and Propagation 2008

Journal: :International Journal of Automation and Computing 2014

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی برق و کامپیوتر 1391

this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...

Journal: :IEICE communications express 2021

This paper presents a linearly dual-polarized dual-band and wideband multi-ring microstrip antenna fed by two L-probes. The proposed consists of circular ring patches L-probes arranged in multi-layered dielectric substrate. By using thick substrate for the L-probe arranging as radiation elements, exhibits characteristics. Furthermore, at orthogonal positions, can operate planar antenna. measure...

Journal: :Progress In Electromagnetics Research B 2008

2008
Zexuan Qiang Weidong Zhou Richard A. Soref Zhenqiang Ma

Ultra-compact polymer modulators were proposed and simulated, based on the hybrid integration of functional polymer materials with Si based photonic-crystal ring resonators (PCRRs). The simulations were carried out on device characteristics with an effective ring radius of 2.3 μm and tunable polymer index from 1.785 to 1.805. Investigating the loss, the cavity quality factor Q, and the free spe...

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