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Voltage and frequency

Sinusoidal Frequency Doublers Circuit With Low Voltage + 1.5 Volt CMOS Inverter

Sinusoidal Frequency Doublers Circuit With Low Voltage + 1.5 Volt CMOS Inverter

... From the function of three circuits, when we put gathers, so the new circuit is the completely sinusoidal frequency doublers circuit with low voltage + 1.5 volt, it has high precision, low error, used few ...

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High-voltage high-frequency converter for resistive load with unpredictable variation : Conversor de alta tensão e alta frequência para carga resistiva com variação imprevisível

High-voltage high-frequency converter for resistive load with unpredictable variation : Conversor de alta tensão e alta frequência para carga resistiva com variação imprevisível

... inductance and without the respective resistive losses is presented in ...high frequency range, with the second- ary in a short-circuit ...high, and the capacitive reactance was “removed” by the ...

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Influence of supply voltage frequency of induction coil on inoculation efficiency of pure aluminium structure

Influence of supply voltage frequency of induction coil on inoculation efficiency of pure aluminium structure

... of frequency of supply voltage feeding induction coil, which generates electromagnetic ...of frequency of supply voltage f 50 Hz does not guarantee favourable transformation of pure aluminium ...

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Overvoltage protection for high frequency high voltage power transformers

Overvoltage protection for high frequency high voltage power transformers

... primary voltage has harmonics, transformer resonances may be excited, causing high primary currents and secondary voltage stress, compromising the device ...secondary voltage peak can reach ...

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Real-Time Dynamic Voltage and Frequency Scaling no sistema EPOS

Real-Time Dynamic Voltage and Frequency Scaling no sistema EPOS

... Como estudo de caso, duas heur´ısticas RT-DVFS foram selecionadas para a implementac¸˜ao utilizando-se o suporte criado: Static Voltage Scaling e Cycle-conserving [Pillai e Shin 2001], a[r] ...

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GAPOD and GA DC-voltage regulator based UPFC supplementary cont roller for damping low frequency oscillations in Multi-machine power  systems

GAPOD and GA DC-voltage regulator based UPFC supplementary cont roller for damping low frequency oscillations in Multi-machine power systems

... systems, and to keep power flow over designated routes, significantly increase the utilization of existing (and new) transmission assets, and play a major role in facilitating contractual power flow ...

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Compensation of the double-line frequency voltage ripple on single-phase two-stage photovoltaic microinverter

Compensation of the double-line frequency voltage ripple on single-phase two-stage photovoltaic microinverter

... This chapter presented the design, modeling and control of the Buck-type Power Decoupling Cell in order to be connected to the dc bus voltage of the developed PV Microinverter to improve[r] ...

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Voltage and reactive power control in autonomous microgrids

Voltage and reactive power control in autonomous microgrids

... loads and storage devices connected to it while being sup- ported by a communication infrastructure that enables ap- propriate management and ...normal and emergency mode [1]. In nor- mal mode both ...

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Thermoacoustic And Thermoreflectance Imaging Of Biased Integrated Circuits: Voltage And Temperature Maps

Thermoacoustic And Thermoreflectance Imaging Of Biased Integrated Circuits: Voltage And Temperature Maps

... applied voltage (Joule ...track and in the close proximity to ...track and by the silicon substrate in the vicinity of the track, gives rise to the production of local non-modulated heat and ...

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Crystal oscillator for low-voltage applications

Crystal oscillator for low-voltage applications

... much voltage and current can be applied to the crystal ...its frequency stability, or it might even break, because of the piezoelectric characteristic ...the voltage or current through the ...

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The Brazilian time and frequency atomic standards program

The Brazilian time and frequency atomic standards program

... using frequency and ...field, voltage, ...length and is now defined as the length of the path traveled by light in vacuum during the time interval of 1/299 792 458 of a second, ...bar, ...

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Voltage Mode-to-Current Mode Transformation

Voltage Mode-to-Current Mode Transformation

... function and without requiring any additional components has been ...CC, and CFA. Since voltage and current transfer functions (assuming the same active devices) are the same, the ...

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Enhanced and disruptive radio-frequency receivers

Enhanced and disruptive radio-frequency receivers

... [6], voltage- controlled oscillators (VCO) [7, 8] or PWM ...sampling frequency. A VCO-based ADC can be seen as pulse frequency modulation (PFM) achieved using the VCO as input for the analog signal ...

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Low Voltage Analog Circuit Design Based on the  Flipped Voltage Follower

Low Voltage Analog Circuit Design Based on the Flipped Voltage Follower

... phones and hand held multimedia terminals. Low voltage analog circuit design differs considerably from those of high voltage analog circuit ...“flipped voltage follower” for low ...

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Fast and slow voltage modulation of apical Cl

Fast and slow voltage modulation of apical Cl

... apical voltage induced an important conductance inhibition which took a few seconds to fully develop and was instantaneously released by pulse inversion to nega- tive voltage, indicating a ...

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Voltage Swells Improvement in Low Voltage Network Using Dynamic Voltage Restorer

Voltage Swells Improvement in Low Voltage Network Using Dynamic Voltage Restorer

... V and the turn ratio of the series transformer is ...switching frequency of the inverter is 5 kHz. The filtering capacitor and inductor are 50uF and ...low voltage prototype DVR was fed ...

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Rebalancing frequency and the welfare cost of inflation

Rebalancing frequency and the welfare cost of inflation

... Cooley and Hansen (1991), Guidotti and Vegh (1993), Correia and Teles (1996), and da Costa and Werning ...King, and Wolman (2003) consider sticky prices and other ...

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Channel and frequency offset estimation schemes for multicarrier systems

Channel and frequency offset estimation schemes for multicarrier systems

... 70’s and the development of efficient digital signal processing techniques, like digital speech coders, channel coders for error protection and encryption algorithms for improved security and ...

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Daily meal frequency and associated variables in children and adolescents

Daily meal frequency and associated variables in children and adolescents

... The results suggest that efforts to increase the number of meals among children should prioritize families with lower income, as it is well established that food habits are sub- ject to the purchasing power of ...

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Dream recall frequency and content in healthy women

Dream recall frequency and content in healthy women

... behavior and life styles in adolescence: gender differences Tania Gaspar, PhD2,3;Teresa Paiva, PhD1,2; Margarida Gaspar de Matos, PhD2,4 1 CENC- Sleep Medicine Center, Lisbon, Portugal 2 ISAMB/ University of ...

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