Results 11 to 20 of about 222 (111)

Key Technologies for THz Wireless Link by Silicon CMOS Integrated Circuits

open access: yesPhotonics, 2018
In terahertz-band communication using ultra-high frequencies, compound semiconductors with superior high-frequency performance have been used for research to date.
Minoru Fujishima
doaj   +1 more source

CAD Modeling of mm-Wave Circuits Incorporating Avalanche Noise Diodes

open access: yesIEEE Access, 2022
This paper proposes, for the first time, a completely stand alone avalanche diode model based on a C++ code. The code, implemented within the Advanced Design Systems (ADS) environment, describes the diode behavior in terms of impedance and ...
Guendalina Simoncini   +2 more
doaj   +1 more source

Emerging Transistor Technologies Capable of Terahertz Amplification: A Way to Re-Engineer Terahertz Radar Sensors

open access: yesSensors, 2019
This paper reviews the state of emerging transistor technologies capable of terahertz amplification, as well as the state of transistor modeling as required in terahertz electronic circuit research.
Mladen Božanić, Saurabh Sinha
doaj   +1 more source

120‐GHz 2‐bit reflection‐type phase shifter based on PIN diodes switched‐lines

open access: yesElectronics Letters, 2023
In this paper, a 2‐bit digital reflection‐type phase shifter (RTPS) working at 120 GHz is presented. It uses a compact coupled‐lines coupler with low insertion loss and high isolation over a wide bandwidth.
David Ouattara   +6 more
doaj   +1 more source

A 130 nm-SiGe-BiCMOS Low-Power Receiver Based on Distributed Amplifier Techniques for Broadband Applications From 140 GHz to 200 GHz

open access: yesIEEE Open Journal of Circuits and Systems, 2021
This work presents a direct-conversion receiver for G-band applications formed by a cascaded single-stage distributed amplifier optimized for low noise, a single-balanced active mixer with inductive peaking and broadband RF matching, and a local ...
Paolo Valerio Testa   +3 more
doaj   +1 more source

Silicon-germanium for ULSI

open access: yesJournal of Telecommunications and Information Technology, 2000
The paper describes recent progress for the introduction of silicon-germanium, bipolar and field effect heterostructure transistors into mainstream integrated circuit application. Basic underlying concepts and device architectures which give rise to the
Steve Hall, Bill Eccleston
doaj   +1 more source

Integrated Circuit Design for Radiation-Hardened Charge-Sensitive Amplifier Survived up to 2 Mrad

open access: yesSensors, 2020
According to the continuous development of metal-oxide semiconductor (MOS) fabrication technology, transistors have naturally become more radiation-tolerant through steadily decreasing gate-oxide thickness, increasing the tunneling probability between ...
Changyeop Lee   +4 more
doaj   +1 more source

Passive On-Chip Components for Fully Integrated Silicon RF VCOs

open access: yesActive and Passive Electronic Components, 2002
In this work integrated passive devices used in RF VCOs are presented. The operation of on-chip inductors and variable capacitors is outlined along with simple electrical equivalent circuits suitable for hand calculations.
Aristides Kyranas, Yannis Papananos
doaj   +1 more source

On the Performance and Scaling of Symmetric Lateral Bipolar Transistors on SOI

open access: yesIEEE Journal of the Electron Devices Society, 2013
The performance potential and scaling characteristics of thin-base SOI symmetric lateral bipolar transistors were examined using 1-D analytic equations for the currents and capacitances.
Tak H. Ning, Jin Cai
doaj   +1 more source

Phase-Synchronizer based on gm-C All-Pass Filter Chain

open access: yesAdvances in Electrical and Computer Engineering, 2012
The use of analog CMOS circuits at high frequency has gained much attention in the last several years. At the heart of rapid prototyping of these circuits is the concept of using a versatile library of common RF function blocks. The blocks (cells) must
JOVANOVIC, G. S.   +3 more
doaj   +1 more source

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