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This research was to design a 2.4 GHz class E Power Amplifier (PA) for health care, with 0.18um Semiconductor Manufacturing International Corporation CMOS technology by using Cadence software. And also RF switch was designed at cadence…

Other Computer Science · Computer Science 2017-01-10 Wei Cai , Jian Xu , Liang Huang

In this work, dynamic load modulation of high power amplifiers using a varactor-based tunable matching network is presented. The feasibility of dynamic tuning and efficiency enhancement of this technique is demonstrated using a modular…

Other Computer Science · Computer Science 2012-10-25 Ali Soltani Tehrani , Hossein Mashad Nemati , Haiying Cao , Thomas Eriksson , Christian Fager

This paper presents the first-ever highly linear and load-insensitive three-way load-modulation power amplifier (PA) based on reconfigurable hybrid asymmetrical load modulated balanced amplifier (H-ALMBA). Through proper amplitude and phase…

Systems and Control · Electrical Eng. & Systems 2024-03-28 Jiachen Guo , Yuchen Cao , Kenle Chen

The ruggedness of HBT Class-C power amplifiers was improved by adding an anti-parallel diode to the amplifier input to limit the negative swing of the base-emitter voltage. The improved amplifier could withstand 3:1 instead of 2:1 mismatch…

Applied Physics · Physics 2017-08-18 Xi Luo , Subrata Halder , James C. M. Hwang

Nanometer scale power amplifiers (PA) at sub-THz suffer from severe parasitic effects that lead to experience limited maximum frequency and reduced power performance at the device transceiver front end. The integrated circuits researchers…

Networking and Internet Architecture · Computer Science 2024-02-13 Jun Yan Leea , Duo Wu , Xuanrui Guoc , Mohammad Mahdi Ariannejad , Mohammad Arif Sobhan Bhuiyan , Mahdi H. Miraz

In this paper, a two-stage ultra-low-power operational amplifier is designed, and a comparative analysis of the proposed subthreshold complementary amplifier is presented between 180nm, 90nm, and 45nm CMOS technology. The proposed…

Systems and Control · Electrical Eng. & Systems 2024-10-30 Sumukh Nitundil , Nihal Singh , Rushabha Balaji , Pankaj Arora

In this work, the designs of a single-stage and 2-stage 2.4 GHz power amplifier (PA) are presented. The proposed PAs have been designed to provide high gain and improved efficiency using harmonic suppression and optimized impedance matching…

Signal Processing · Electrical Eng. & Systems 2018-12-05 Ayyaz Ali , Syed Waqas Haider Shah , Khalid Iqbal

In this article, we present a dual-band 28/38-GHz power amplifier (PA) with inter-band suppression for millimeter-wave 5G communications. The dual-band operation is achieved using a center-tapped transformer network with an extra resonator…

Signal Processing · Electrical Eng. & Systems 2023-06-27 Abbas Nasri , Alireza Yousefi , Reza Nikandish

In electricity distribution networks, the increasing penetration of renewable energy generation necessitates faster and more sophisticated voltage controls. Unfortunately, recent research shows that local voltage control fails in achieving…

Optimization and Control · Mathematics 2019-02-28 Sindri Magnusson , Guannan Qu , Carlo Fischione , Na Li

Bluetooth Low Energy (BLE) technology, operating within the widely used 2.4 GHz ISM band, stands as a cornerstone in modern wireless communication frameworks alongside its classic Bluetooth counterpart. This paper delves into the…

Cryptography and Security · Computer Science 2024-04-29 Zhe Wang

This paper presents a power amplifier designed for Wi-Fi 6E using the 2 um gallium arsenide (GaAs) heterojunction bipolar transistor (HBT) process. By employing third-order inter-modulation signal cancellation, harmonic suppression, and an…

Instrumentation and Detectors · Physics 2025-06-06 Jiwei Huang , Yi Zhang

Network jammers can uncover the reliability of the wireless networks, where the position of the jammer node permit the network to cope with jamming leveraging varieties of defence strategies. Wireless Bluetooth network is a short range…

Networking and Internet Architecture · Computer Science 2014-10-09 Adil H. M. Aldlawie , Ghassan A. QasMarrogy

This paper develops an inductive power transfer(IPT)system with stable output power based on a Class E/EF inverter. Load-independent design of Class E/EF inverter has recently attracted widespread interest. However, applying this design to…

Systems and Control · Electrical Eng. & Systems 2025-02-20 Yifan Zhao , Mowei Lu , Heyuan Li , Zhenbin Zhang , Minfan Fu , Stefan M. Goetz

Bluetooth is developed for short range communication. Bluetooth Devices are normally having low power and low cost. This is a wireless communication technology designed to connect phones, laptops and PDAs. The greater availability of…

Networking and Internet Architecture · Computer Science 2011-11-10 Preetha K. G

In this paper a CMOS operational amplifier is presented which operates at 2V power supply and 1microA input bias current at 0.8 micron technology using non conventional mode of operation of MOS transistors and whose input is depended on…

Other Computer Science · Computer Science 2010-07-15 Ratul Kr. Baruah

In this paper a CMOS two stage operational amplifier has been presented which operates at 1.8 V power supply at 0.18 micron (i.e., 180 nm) technology and whose input is depended on Bias Current. The op-amp provides a gain of 63dB and a…

Instrumentation and Detectors · Physics 2021-01-01 Tong Yuan , Qingyuan Fan

A set of power supplies (PS) with output power rated from 100 W up to 10 kW for electromagnets powering was developed. These PS have range of current tuning of 60-80 db with high accuracy (error should be less than 0,01%). Some types of…

Accelerator Physics · Physics 2007-05-23 E. Y. Ermolov , V. R. Kozak , E. A. Kuper , A. S. Medvedko , S. P. Petrov , V. F. Veremeenko

Control of components in integrated photonic circuits is crucial in achieving programmable devices. Operation bandwidth of a plasmonic device cannot be generally tuned once it is manufactured, especially in the visible regime. Here, we…

Optics · Physics 2024-03-22 Hira Asif , Alpan Bek , Mehmet Emre Tasgin , Ramazan Sahin

This paper presents a compact low-power, low-noise bioamplifier for multi-channel electrode arrays, aimed at recording action potentials. The design we put forth attains a notable decrease in both size and power consumption. This is…

Power amplifier is becoming a critical component for integrated photonics as the integrated devices try to carve out a niche in the world of real-world applications of photonics. That is because the signal generated from an integrated…

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