Results 81 to 90 of about 5,300,992 (236)

Experimental Investigation of a Hybrid S-Band Amplifier Based on Two Parametric Wavelength Converters and an Erbium-Doped Fiber Amplifier

Photonics
Multi-band optical communication presents a promising avenue for the significant enhancement of fiber-optic transmission capacity without incurring additional costs related to new cable deployment via the utilization of the bandwidth beyond the ...
Cheng Guo, Afshin Shamsshooli, Michael Vasilyev, Youichi Akasaka, Paparao Palacharla, Ryuichi Sugizaki, Shigehiro Takasaka   +6 more
doaj   +1 more source

A 60 GHz Broadband LNA With Joined Variable Gain Control and Switching in 22 nm FD-SOI

IEEE Access
This paper investigates a 60 GHz low-power broadband low noise amplifier (LNA) with variable gain control. To prove the concept, the circuit is implemented in a 22nm fully depleted silicon on insulator (FD-SOI) CMOS technology.
Xin Xu, Jens Wagner, Corrado Carta, Frank Ellinger   +3 more
doaj   +1 more source

Cascomp BJT Amplifier vs. traditional configurations [PDF]

, 2012
All transistor circuits introduce distortion. In Radio Frequency (RF) circuits, the third-order distortion components are the most important. The quest for more linear circuits has become more important with complex-modulation as used in modern cellular ...
Scott, Jonathan B., Jull, Harrisson, Balsom, Toby   +2 more
core  

Pre-Power Amplifier for 5.2 - 5.8 GHz Band

, 2002
The design of a low-voltage and broadband pre-power amplifier for 5.2 GHz-5.8 GHz band is presented. The purpose of the pre-power amplifier is to separate the external power amplifier and internal mixer to deliver the required input power to the power ...
Osman Palamutcuoglu, Burak Kelleci, Kelleci, B., Palamutcuoglu, O.   +3 more
core   +1 more source

A 41.5 dBm Broadband AlGaN/GaN HEMT Balanced Power Amplifier at K-Band

, 2021
This paper describes the design and characterization of a broadband balanced power amplifier (BPA) MMIC at K-band. The utilized technology is the 0.25μm AlGaN/GaN HEMT process provided by Fraunhofer IAF. The BPA is designed as a two-stage power amplifier
Samis, Stanislav, Maier, Thomas, Quay, Rüdiger, Jacob, Arne, Friesicke, Christian   +4 more
core   +1 more source

Single-ended broadband silicon carbide MESFET power amplifier

, 2006
Single-ended broadband amplifier was designed using Silicon Carbide MESFET. Taking into account, the device internal properties of wide-bandgap and high impedances.
Almira, Jean
core   +1 more source

A broadband SiGe Power Amplifier for E-band communication applications

, 2015
This work presents a broadband SiGe Power Amplifier (PA) for operation between 60-90 GHz covering both 71-76 GHz and 81-86 GHz E-Band sub-bands. It consists of a two-stage differential cascode amplifier using an LC-interstage matching network in the ...
Tired, Tobias, Manuel Bejarano Carmona, Bejarano Carmona, Manuel, Tobias Tired, Tired, Tobias,, Bejarano Carmona, Manuel,, Lund University.   +6 more
core   +1 more source

First observation of transverse mode instability in a high-power linearly polarized supercontinuum source

High Power Laser Science and Engineering
Transverse mode instability (TMI) is a primary limitation for power scaling in high-brightness fiber lasers. This paper reports observation of the TMI effect in the process of supercontinuum generation, and demonstrates a 993 W linearly polarized ...
Bo Li, Shengping Chen, Jiaxin Song, Jingsui Li, Gangcang Kang, Ziyu Wang   +5 more
doaj   +1 more source

A Broadband Power Amplifier Applied in GSM/TD-SCDMA/WLAN System

, 2017
Part 6: Circuit DesignInternational audienceA broadband power amplifier operating from 0.8 GHz to 2.4 GHz is designed in 0.13-μm SiGe HBT process. The power amplifier adopts pseudo-differential structure, adaptive bias control technique, broadband ...
Ding, Yan, Li, Wenyuan, Yan Ding, Luo, Hui, Wenyuan Li, Hui Luo   +5 more
core   +1 more source

Performance Enhancement of Dual-Input Frequency-Periodic Load Modulated Power Amplifier at 1–5.7-GHz Bandwidth With Co-Designed Biasing Network

IEEE Access
This study proposes a novel dual input power amplifier (PA) with a frequency-periodic load modulated output matching network supported by a broadband biasing network.
Takuma Torii, Yuji Komatsuzaki, Shintaro Shinjo, Ryo Ishikawa   +3 more
doaj   +1 more source