Results 11 to 20 of about 641,452 (310)
13.5 μJ, 20 kHz Repetition Rate, Single Frequency Pr3+:YLF Master Oscillator Power Amplifier System
Photonics, 2023 This article describes a master oscillator and power amplifier (MOPA) system with a single longitudinal mode (SLM) and high-repetition-frequency Pr3+:YLF active medium that was end-pumped by two 444 nm laser diodes.
Weicheng Dai +4 more
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Ultrasonic Air Coupled Transducer Output Impedance Measurement Technique
Elektronika ir Elektrotechnika, 2019 Estimation of the output impedance of ultrasonic transducers is required for electrical matching circuits design and for receiving amplifiers noise optimization.
Linas Svilainis +2 more
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Solid state microwave modules designed for millimiter wave electronic equipment and systems
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016 The paper presents scientific, technological and production potential of Research Institute «Orion» in the field of creation of wide range of high performance active and passive solid-state microwave devices, modules and components as well as ...
Н. Ф. Карушкин +2 more
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IEEE Access, 2023 The effect of load-pull on 3rd order intermodulation (IM3) radiation characteristics of a transmitting active phased array is studied and a general model for predicting the spatial distribution of fundamental tones and intermodulation products is ...
Veli-Pekka Kutinlahti +2 more
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Pendulum energy harvester with amplifier
Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2018 This paper presents a new principle of inductive vibration power harvester. Harvester is a pendulum that uses energy capacitor which is the mass. The mass is connected to the pendulum via a gearbox to achieve greater movement of the pendulum that ...
Michal Černý +3 more
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High Efficiency Power Amplifier Based on Envelope Elimination and Restoration Technique [PDF]
, 2010 Due to complex envelope and phase modulation employed in modern transmitters it is necessary to use power amplifiers that have high linearity. Linear power amplifiers (classes A, B and AB) are commonly used, but they suffer from low efficiency especially
Alou Cervera, Pedro +9 more
core +2 more sources
Applied Sciences, 2022 A wide variety of applications require high peak laser intensity in conjunction with a narrow spectral linewidth. Typically, injection-locked amplifiers have been employed for this purpose, where a continuous wave oscillator is amplified in a secondary ...
Volker Sonnenschein, Hideki Tomita
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Constant Temperature Anemometer with Self-Calibration Closed Loop Circuit
Applied Sciences, 2020 In this paper, a Micro-Electro-Mechanical Systems (MEMS) calorimetric sensor with its measurement electronics is designed, fabricated, and tested. The idea is to apply a configurable voltage to the sensitive resistor and measure the current flowing ...
Jamel Nebhen +2 more
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Double-Differential Amplifier for sEMG Measurement by Means of a Current-Mode Approach
IEEE Access, 2022 This work proposes a Double Differential (DD) amplifier topology which exploits the advantages of the current-mode approach. DD amplifiers are useful as front-ends in standalone active electrodes for superficial electromyography (sEMG) wearable ...
Federico N. Guerrero +3 more
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IEEE Open Journal of Circuits and Systems, 2020 This article presents two methods, the block approach indefinite admittance matrix (BA-IAM) and the estimation-by-inspection, to analyse the effects of deterministic noise on single-stage, single-ended amplifiers by extending the indefinite admittance ...
Vijender Kumar Sharma +2 more
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