A5103123604- Microwave Engineering and Waveguides
- Antenna Design and Analysis
- Millimeter-Wave Propagation and Modeling
- Ultra-Wideband Communications Technology
- Gyrotron and Vacuum Electronics Research
- Advanced Antenna and Metasurface Technologies
- Radio Frequency Integrated Circuit Design
- Advanced Power Amplifier Design
- Electromagnetic Simulation and Numerical Methods
- Landslides and related hazards
- High-Velocity Impact and Material Behavior
- Advancements in Semiconductor Devices and Circuit Design
- Rock Mechanics and Modeling
- Semiconductor Quantum Structures and Devices
- Semiconductor materials and devices
- Cross-Border Cooperation and Integration
Jaypee Institute of Information Technology
2017-2023
Delhi Technological University
2020-2023
Birla Institute of Technology, Mesra
2015-2016
King Abdulaziz University
2015
Solid State Physics Laboratory
2015
Abstract A miniaturized ultra‐wideband (UWB) bandpass filter (BPF) based on broadside coupled technology with multiple passband notches is reported. The basic geometry of BPF has microstrip lines the top plane to modified short‐circuited coplanar waveguide in bottom plane. This alignment leads development a UWB response good frequency characteristics due presence two transmission zeros at lower/upper edges. Later, circular resonators and one complimentary folded split ring resonator are...
Abstract This paper proposes a dual notched band ultra-wideband (UWB) bandpass filter (BPF) based on hybrid transition of microstrip and coplanar waveguide (CPW). The CPW in ground plane houses stepped impedance resonator shorted at ends, is designed to place its resonant modes within the UWB passband. microstrips top are placed some distance apart back-to-back manner. coupled through dielectric broadside optimized design develops basic spectrum with good return/insertion loss extended...
Abstract This article presents a dual notched ultra‐wideband (UWB) bandpass filter (BPF) with good frequency characteristics realized on low‐cost dielectric. The proposed structure is based the surface‐to‐surface transition technology, microstrip lines aligned face‐to‐face top, and short‐circuited butterfly shaped coplanar waveguide (CPW) in ground. microstrips CPW are coupled vertically via basic optimized alignment generates third‐order UWB quasi‐elliptic response having two transmission...
ABSTRACT A novel ultrawideband (UWB) bandpass filter (BPF) based on broadside coupled microstrip‐to‐coplanar waveguide (CPW) transition is proposed. The proposed structure consists of open circuited microstrip lines the top arranged in back‐to‐back fashion and electromagnetically to a short CPW ground via dielectric. This arrangement generates smooth UWB having passband insertion loss <0.22 dB simulation, two transmission zeros at lower upper passband/stopband edges which enhances...
Abstract A hybrid microstrip‐to‐coplanar waveguide (CPW) based broadside coupled ultra‐wideband (UWB) bandpass filter (BPF) of compact nature with multiple transmission zeros (TZ) is proposed. The CPW in ground consists a short circuited mode resonator (MMR), which conjugation two microstrip lines on the top, arranged back‐to‐back manner. Initially, impedance ratio MMR adjusted to place its resonant modes quasi‐equally within UWB passband and later dimensions are optimized enhance coupling....
A novel and compact ultra‐wideband (UWB) bandpass filter (BPF) based on the broadband balun mechanism is proposed. The proposed structure made up of two back‐to‐back open circuited meandered microstrip lines top plane coupled in a broadside fashion with short co‐planar waveguide ground. This configuration gives rise to smooth UWB passband an insertion loss <0.19 dB simulation transmission zeros at lower upper edges which provide sharp selectivity. To confirm theory prototype fabricated...
A broadband FET resistive mixer MMIC on GaAs substrate is described in this paper. non-linear model of MESFET operating passive mode (Vds=0V) developed for design and simulation has also been analyzed. Measured results match closely with the simulations based model. The on-chip spiral baluns delivered wide frequency range from 230 MHz to 1.8 GHz while LO/RF coverage was 2-8 GHz. 10 dB conversion loss achieved 500 IF at 5 RF frequency, dBm LO power. exhibited >10 input 1 compression point, 18...
Abstract The manuscript presents a broadside coupled ultra-wideband (UWB) bandpass filter with quasi-elliptic response having multiple transmission zeros (TZs) in/out of the UWB spectrum. Developed on low cost substrate (FR4), basic geometry consists short-circuited co-planar waveguide (CPW) in ground to back-to-back arranged microstrip lines top. This broadband balun architecture leads 3rd order (BPF) good frequency characteristics. Later, split ring resonators (SRRs) and folded SRRs...
Abstract A novel dual band antenna with right‐hand circular polarization (RHCP) is fabricated. It consists of a T‐shaped parasitic element on the backside patch (TSP) and ground plane. The design comprises rectangular CPW fed clearance in placing TSP connecting stubs to plane used achieve GPS L5 L2 bands. Circular bands produced by horizontal F‐shaped slots (FSS), respectively. measured results show 34 MHz (1.160–1.194 GHz) 57 (1.207–1.260 –10 dB impedance bandwidth 3‐dB axial ratio...
Design and realization of a broadband high gain 29dBm power amplifier is presented in this article. The proposed design approach utilizes unique combination FET stacking to enhance unit cell output with amplification using Non-Uniform distributed topology on GaAs pHEMT technology. Addition feedback based driving stages helps increase the overall small signal gain. resulting gives 31 dB over 5-18 GHz bandwidth delivers more than 29 dBm saturated when operated 8V drain supply while consuming...
Abstract The design and development of a microstrip-based planar ultra-wideband (UWB) bandpass filter (BPF) with single/multiple interference rejection capability is presented. proposed BPF structure developed based on the broadside coupled mechanism microstrip/coplanar waveguide (CPW). has microstrips short-circuited CPW capacitively through substrate. basic frequency response generated from this geometry covers necessary UWB spectrum (3.1–10.6 GHz) possesses appreciable characteristics due...
Abstract In this paper, we present a miniaturized ultra-wideband (UWB) bandpass filter (BPF) with multiple transmission zeros (TZs), which is based on transition technology of microstrip short-circuited coplanar waveguide (CPW). The ground plane the BPF contains mode resonator (MMR)-based CPW capacitively linked through dielectric to two open-circuited lines top. MMR initially designed allocate its lowest three resonant modes quasi-equally inside designated UWB spectrum (3.1–10.6 GHz). This...
Presented in this manuscript is an Ultra-Wideband (UWB) bandpass filter (BPF) based on broadside coupling of microstrip-to-short circuited coplanar waveguide (CPW). The short CPW ground non-uniform nature and impedances its individual sections are varied accordingly to place the resonant modes within UWB spectrum. optimal design microstrip lines top enhance with generates passband good return/insertion loss extended stopband. compact structure measures 15×12.6 dimensions.
A broadside coupled ultra-wideband (UWB) bandpass filter (BPF) with notched band and wide upper stopband is proposed implemented. Initially, a UWB structure good passband characteristics developed. To this, split ring resonator (SRR) metal lines of half guided waveguide length are to generate notch. Later, stub embedded in the input output (I/O) feeding whose attenuation poles suppress spurious harmonics widen stopband. Finally, fabricated measured which establishes authenticity full-wave...