Articles with "cutoff frequency" as a keyword



Design and simulation of tunable low-pass Gm-C filter with 1 GHz cutoff frequency based on CMOS inventers for high speed telecommunication applications

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Published in 2019 at "Analog Integrated Circuits and Signal Processing"

DOI: 10.1007/s10470-019-01484-0

Abstract: A tunable low-pass Gm-C filter with 1 GHz cutoff frequency is presented. The core of this filter is a high frequency low voltage operational transconductance amplifier (OTA) in which CMOS inverters are used. For enhancing… read more here.

Keywords: filter; cutoff frequency; frequency; filter ghz ... See more keywords

Cutoff frequency tuning in a one-dimensional photonic crystal comprisingHgBa2Ca2Cu3O8+δand GaAs

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Published in 2019 at "Physica C: Superconductivity and its Applications"

DOI: 10.1016/j.physc.2019.03.009

Abstract: Abstract In this paper, we theoretically study the optical properties of a one-dimensional photonic crystal composed alternating semiconductor (GaAs) and superconductor ( H g B a 2 C a 2 C u 3 O 8… read more here.

Keywords: cutoff frequency; frequency; one dimensional; dimensional photonic ... See more keywords

Cutoff frequency increase of gate recessed AlGaN/GaN MISHFETs with amorphous AlN insulator

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Published in 2025 at "AIP Advances"

DOI: 10.1063/5.0252024

Abstract: The RF performance of gate recessed MISHFET devices with an amorphous AlN layer was investigated by small-signal (S-parameter) measurements. They reveal current gain and unilateral power gain cutoff frequencies of 125 and 138 GHz, respectively. These… read more here.

Keywords: gate recessed; amorphous aln; algan gan; gate ... See more keywords

GaN planar SBD grown and fabricated on SiC substrate with a cutoff frequency of 2.17 THz

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Published in 2024 at "Semiconductor Science and Technology"

DOI: 10.1088/1361-6641/ad956a

Abstract: To attain a higher cutoff frequency in GaN planar Schottky Barrier Diodes (SBDs), we investigated the relationship between various structural parameters of the device and its electrical characteristics. Our investigation primarily focused on how the… read more here.

Keywords: frequency thz; cutoff frequency; gan planar; frequency ... See more keywords

Improving cutoff frequency estimation via optimized π-pulse sequence

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Published in 2024 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ad9ba1

Abstract: The cutoff frequency is one of the crucial parameters that characterize the environment. In this paper, we estimate the cutoff frequency of the Ohmic spectral density by applying the π-pulse sequences (both equidistant and optimized)… read more here.

Keywords: pulse sequence; cutoff; cutoff frequency; frequency estimation ... See more keywords

Self-Aligned Metal–Semiconductor–Metal Varactors Based on the AlGaN/GaN Heterostructure

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Published in 2019 at "IEEE Electron Device Letters"

DOI: 10.1109/led.2019.2944720

Abstract: The self-aligned metal-semiconductor-metal (SA-MSM) structure was utilized to fabricate varactors on top of the AlGaN/GaN heterostructures. The SA-MSM structure minimizes the access resistance associated with 2-dimensional electron gas (2DEG), resulting in the significantly improved cutoff… read more here.

Keywords: algan gan; metal semiconductor; cutoff frequency; aligned metal ... See more keywords

A Novel Waveguide-Below-Cutoff Structure With an Extended Cutoff Frequency

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Published in 2020 at "IEEE Microwave and Wireless Components Letters"

DOI: 10.1109/lmwc.2020.3012299

Abstract: In this letter, a novel waveguide-below-cutoff (WBC) structure with electromagnetic bandgap (EBG) surfaces is proposed to increase the cutoff frequency without sacrificing the waveguide size. To implement the proposed WBC structure, EBG arrays with various… read more here.

Keywords: cutoff frequency; cutoff; novel waveguide; waveguide cutoff ... See more keywords

A Metal-Insulator-Metal Deep Subwavelength Cavity Based on Cutoff Frequency Modulation

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Published in 2017 at "Applied Sciences"

DOI: 10.3390/app7010086

Abstract: We propose a plasmonic cavity using the cutoff frequency of a metal-insulator-metal (MIM) first-order waveguide mode, which has a deep subwavelength physical size of 240 × 210 × 10 (nm3) = 0.00013 λ03. The cutoff… read more here.

Keywords: frequency; cutoff frequency; metal; cavity ... See more keywords