Results 21 to 30 of about 113,694 (304)
A High Efficiency RF Power Amplifier Using Linearity-Enhanced Method in 40nm Standard CMOS Process
MATEC Web of Conferences, 2017 A two-stage RF CMOS power amplifier with high linearity for WLAN is presented in this paper.The proposed PA consists of a programmable gain amplifier and a high power stage which is composed of a main amplifier with class AB bias and an auxiliary ...
Cheng Wang, Mo Ting-Ting
doaj +1 more source
Power amplifier memory-less pre-distortion for 3GPP LTE application [PDF]
, 2009 A new and simple Power Amplifier (PA) linearization method is proposed and demonstrated using a very high efficiency yet inherently nonlinear inverse class-F PA.
Beach, MA +7 more
core +2 more sources
Digital Detection of Oxide Breakdown and Life-Time Extension in Submicron CMOS Technology [PDF]
, 2008 An approach is introduced to extend the lifetime of high-voltage analog circuits in CMOS technologies based on redundancy, like that known for DRAMS. A large power transistor is segmented into N smaller ones in parallel. If a sub-transistor is broken, it
Acar, M., Annema, A.-J., Nauta, B.
core +3 more sources
A 2GHz GaN Class-J power amplifier for base station applications [PDF]
, 2011 The design and implementation of a high efficiency Class-J power amplifier (PA) for base station applications is reported. A commercially available 10 W GaN HEMT device was used, for which a large-signal model and an extrinsic parasitic model were ...
McGeehan, JP, Mimis, K, Morris, KA
core +2 more sources
Energies, 2017 Power Hardware in the Loop (PHIL) systems are used to test a power system with the help of combined software and hardware. Generally, to construct a PHIL system, a switched-mode power amplifier that has a stable performance is used, because of their ...
Jianjun Sun +5 more
doaj +1 more source
Frontiers in Physics, 2021 A novel hybrid continuous inverse power amplifier (PA) that is constituted by a continuum of PA modes from the continuous inverse class-F to the continuous inverse class-B/J is proposed, and a detailed mathematical analysis is presented.
Chun Ni +11 more
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A Wideband 77-GHz, 17.5-dBm Fully Integrated Power Amplifier in Silicon [PDF]
, 2006 A 77-GHz, +17.5 dBm power amplifier (PA) with fully integrated 50-Ω input and output matching and fabricated in a 0.12-µm SiGe BiCMOS process is presented.
Hajimiri, Ali, Komijani, Abbas
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220-240-GHz High-Gain Phase Shifter Chain and Power Amplifier for Scalable Large Phased-Arrays
IEEE Access, 2023 This paper focuses on the design aspects of the key components for a scalable phased-array system over the 200 GHz frequency range. A high-gain phase shifter chain for 220 to 240 GHz frequency range and a high-gain power amplifier (PA) with a high output
Md. Najmussadat +5 more
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Review of Efficiency CMOS Class AB Power Amplifier Topology in Gigahertz Frequencies
ASM Science Journal, 2022 This paper reviewed the efficiency of CMOS class AB power amplifier topology especially in gigahertz frequencies. CMOS class AB power amplifier is a compromise between class A and class B in terms of linearity and efficiency between 50% to 78.5%. However,
Rohana Sapawi
doaj +1 more source
Analysis and elimination of hysteresis and noisy precursors in power amplifiers [PDF]
, 2006 Power amplifiers (PAs) often exhibit instabilities leading to frequency division by two or oscillations at incommensurate frequencies. This undesired behavior can be detected through a large-signal stability analysis of the solution.
Jeon, Sanggeun +2 more
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