Academic literature on the topic 'Maximum power gain'

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Journal articles on the topic "Maximum power gain"

1

McGregor, J. M., and D. J. Roulston. "Transistor design for predictable power gain at maximum frequency." IEEE Transactions on Electron Devices 39, no. 2 (1992): 389–95. http://dx.doi.org/10.1109/16.121698.

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2

Bakos, J. S., P. N. Ignacz, and Z. Sorlei. "Role of power broadening in influencing maximum gain of far infrared gain material." IEEE Journal of Quantum Electronics 29, no. 7 (1993): 2220–24. http://dx.doi.org/10.1109/3.237496.

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3

Felinskyi, Georgii S., and Mykhailo Y. Dyriv. "Noise Gain Features of Fiber Raman Amplifier." Advances in OptoElectronics 2016 (July 12, 2016): 1–7. http://dx.doi.org/10.1155/2016/5843636.

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The formation dynamics of the optical noise in a silica single mode fiber (SMF) as function of the pump power variation in the counter pumped fiber Raman amplifier (FRA) is experimentally studied. The ratio between the power of amplified spontaneous emission and the power of incoherent optical noise is quantitatively determined by detailed analysis of experimental data in the pump powers range of 100–300 mW within the full band of Stokes frequencies, including FRA working wavelengths over the C + L transparency windows. It is found out the maximum of Raman gain coefficient for optical noise does not exceed ~60% of corresponding peak at the gain profile maximum of coherent signal. It is shown that the real FRA noise figure may be considerably less than 3 dB over a wide wavelength range (100 nm) at a pump power of several hundreds of mW.
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4

Tian, Hong Fang, Jian Bo Cao, and Zheng Xi Li. "The High-Gain Boost Converter for Maximum Power Point Tracking in Photovoltaic System." Advanced Materials Research 383-390 (November 2011): 2677–84. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.2677.

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The aim of this paper is to introduce a high-gain Boost circuit and to use the maximum power model to analyze the principles of maximum power point tracking (MPPT) in photovoltaic (PV) system .The principle is applied to the high-gain Boost circuit and control circuit, through a specific MPPT algorithm to change the duty cycle of Boost circuit realizes maximum power tracking and higher DC output voltage, the control circuit are formed by the CPLD and the AVR microcontroller, through which the control circuit to generate a varying duty cycle and 40KHz PWM pulse to control High-gain Boost circuit. Algorithm uses the incremental conductance method. Experiments show that maximum power point tracking effect is good.
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5

P, Bhavana. "Maximum Power Extraction in Low Power PV FED High Voltage Gain Boost Converter using Optimization Algorithm (PO & INC) by Limiting the Oscillations." Revista Gestão Inovação e Tecnologias 11, no. 4 (2021): 1163–76. http://dx.doi.org/10.47059/revistageintec.v11i4.2176.

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6

Hu, Guanqu, Jinhui Cui, Fengjun Tian, et al. "Orthogonally Polarized Dual-Wavelength Gain-Switched Ho:LuLiF4 Pulse Laser." Photonics 10, no. 1 (2023): 62. http://dx.doi.org/10.3390/photonics10010062.

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A compact, orthogonally polarized, gain-switched a-cut Ho:LuLiF4 laser with intra-cavity pumping by a self-Q-switched Tm:YAP laser is demonstrated here for the first time. The π-polarization laser at 2052 nm and σ-polarization laser at 2066 nm were experimentally observed with the maximum output power values of 299 mW and 126 mW, respectively, and the two polarization directions were always kept mutually orthogonal as the pump power increased. The ratio of the output power between the two orthogonal polarization lasers was nearly 1:1 at a pump power of 18.4 W. The minimum pulse width of the Ho:LLF laser was 326 ns, the maximum repetition rate was 24 kHz, and the maximum average energy was 28 μJ.
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7

Sahu, Pankaj, and Rajiv Dey. "Maximum power point tracking using adjustable gain based model reference adaptive control." Journal of Power Electronics 22, no. 1 (2021): 138–50. http://dx.doi.org/10.1007/s43236-021-00336-3.

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8

G. SIVA, KUMAR, and DEVI A. LAKSHMI. "NEURO FUZZY GAIN SCHEDULER FOR MAXIMUM POWER TRACKING OF WIND DRIVEN DFIG." i-manager’s Journal on Electrical Engineering 13, no. 2 (2019): 33. http://dx.doi.org/10.26634/jee.13.2.15790.

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9

Umeda, Hiroyuki, Kenichiro Takahashi, and Yoshiaki Shiraga. "Maximum available power gain of microwave-transistor amplifier under large-signal operation." Electronics and Communications in Japan (Part II: Electronics) 71, no. 2 (1988): 40–52. http://dx.doi.org/10.1002/ecjb.4420710205.

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10

Ramiah, Harikrishnan, U. Eswaran, and J. Kanesan. "A high gain and high linearity class-AB power amplifier for WCDMA applications." Microelectronics International 31, no. 1 (2013): 1–7. http://dx.doi.org/10.1108/mi-09-2012-0069.

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Purpose – The purpose of this paper is to design and realize a high gain power amplifier (PA) with low output back-off power using the InGaP/GaAs HBT process for WCDMA applications from 1.85 to 1.91 GHz. Design/methodology/approach – A three stages cascaded PA is designed which observes a high power gain. A 100 mA of quiescent current helps the PA to operate efficiently. The final stage device dimension has been selected diligently in order to deliver a high output power. The inter-stage match between the driver and main stage has been designed to provide maximum power transfer. The output matching network is constructed to deliver a high linear output power which meets the WCDMA adjacent channel leakage ratio (ACLR) requirement of −33 dBc close to the 1 dB gain compression point. Findings – With the cascaded topology, a maximum 31.3 dB of gain is achieved at 1.9 GHz. S11 of less than −18 dB is achieved across the operating frequency band. The maximum output power is indicated to be 32.7 dBm. An ACLR of −33 dBc is achieved at maximum linear output power of 31 dBm. Practical implications – The designed PA is an excellent candidate to be employed in the WCDMA transmitter chain without the aid of additional driver amplifier and linearization circuits. Originality/value – In this work, a fully integrated GaAs HBT PA has been implemented which is capable to operate linearly close to its 1 dB gain compression point.
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