Results 31 to 40 of about 339,663 (292)
51.5 W monolithic single frequency 1.97 $\mathrm {\mu} $m Tm-doped fiber amplifier
High Power Laser Science and Engineering, 2013 We demonstrate a monolithic single frequency Tm-doped fiber amplifier with output power of 51.5 W. A single frequency fiber laser at 1.97 $\mathrm {\mu} $m is amplified by a cascaded master oscillator power amplifier (MOPA) system with all-fiber ...
Xiong Wang +4 more
doaj +1 more source
An LDMOS VHF class-E power amplifier using a high-Q novel variable inductor [PDF]
, 1999 In this paper, an lateral diffused metal-oxide-semiconductor-based very high-frequency class-E power amplifier has been investigated theoretically and experimentally.
Rutledge, David B., Zirath, Herbert
core +2 more sources
IEEE Access, 2020 In this paper, a novel outphasing power amplifier (PA) based on class-E amplifiers with shunt capacitances and shunt filters is proposed. The new design provides high drain efficiency for both peak and back-off power levels.
Pavel Afanasyev +3 more
doaj +1 more source
A Highly Efficient Broadband Class-E Power Amplifier with Nonlinear Shunt Capacitance [PDF]
Journal of the Korean Institute of Electromagnetic Engineering and Science, 2017 A new approach to designing a broadband and highly efficient class-E power amplifier based on nonlinear shunt capacitance analysis is proposed. The nonlinear shunt capacitance method accurately extracts optimum class-E power amplifier parameters ...
Ninh Dang-Duy +4 more
doaj +1 more source
Iranian Journal of Electrical and Electronic Engineering, 2022 Power amplifier is one of the main components in the RF transmitters. It must provide various stringent features that can lead to complicating the design.
M. Soruri, S. M. Razavi, M. Forouzanfar
doaj
A new series-L/parallel-tuned class DE-1 power amplifier
Dianzi Jishu Yingyong, 2018 This paper proposes a new series-L/parallel-tuned class DE-1 power amplifier. The theoretical analysis was conducted according to zero current switching(ZCS) and zero current slope switching(ZCSS) conditions.
Hua Zaijun +3 more
doaj +1 more source
W-band waveguide-packaged InP HEMT reflection grid amplifier [PDF]
, 2006 This letter presents a 79-GHz broadband reflection-type grid amplifier using spatial power combining to combine the power of 64 unit cells. Each unit cell uses a two-stage cascade configuration with InP HEMTs arranged as a differential pair.
Cheung, Chun-Tung +3 more
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Background Parents of children treated for acute lymphoblastic leukemia (ALL) often experience significant caregiver burden and disruption to their well‐being. While parent quality of life (QoL) during treatment is well characterized, little is known about outcomes during early survivorship.
Sara Dal Pra +3 more
wiley +1 more source
A 24-GHz, +14.5-dBm fully integrated power amplifier in 0.18-μm CMOS [PDF]
, 2005 A 24-GHz +14.5-dBm fully integrated power amplifier with on-chip 50-[ohm] input and output matching is demonstrated in 0.18-μm CMOS. The use of substrate-shielded coplanar waveguide structures for matching networks results in low passive loss and small ...
Hajimiri, Ali +2 more
core
Organoids in pediatric cancer research
FEBS Letters, EarlyView.Organoid technology has revolutionized cancer research, yet its application in pediatric oncology remains limited. Recent advances have enabled the development of pediatric tumor organoids, offering new insights into disease biology, treatment response, and interactions with the tumor microenvironment.
Carla Ríos Arceo, Jarno Drost
wiley +1 more source