نتایج جستجو برای: input impedance

تعداد نتایج: 253958  

2012
Benjamin H. Waters Alanson P. Sample Joshua R. Smith

For high quality factor magnetically coupled resonator wireless power systems, constant wireless power transfer efficiency can be achieved over a greater range and higher efficiency than an inductively coupled system. However, as the distance varies between two near-field resonators, the input and output impedances to the resonators change. Therefore, in order to achieve constant efficiency, th...

2008
Yo-An Lim Jong-Phil Kim Joo Hong Yoon Jeha Ryu

An analog input shaper is proposed for a haptic control system to improve stability when interacting with virtual environments. High frequency inputs to a haptic device, which usually occur in collision with virtual objects with high stiffness, can induce limit cycle oscillations and instabilities. In order to reduce these high frequency inputs to haptic devices, an analog input shaper is added...

Journal: :The Journal of the Acoustical Society of America 1980

2006
Joe C. P. Liu Chi K. Tse Franki N. K. Poon Bryan M. H. Pong Y. M. Lai

A general impedance synthesizer using a minimum number of switching converters is studied in this paper. We begin with showing that any impedance can be synthesized by a circuit consisting of only two simple power converters, one storage element (e.g., capacitor), and one dissipative element (e.g., resistor) or power source. The implementation of such a circuit for synthesizing any desired impe...

Journal: :Journal of Research of the National Bureau of Standards, Section D: Radio Propagation 1962

Journal: :IEEE Transactions on Nuclear Science 1981

2008
Jiun-Wei Horng

A new high input impedance voltage-mode universal biquadratic filter with three input terminals and five output terminals is presented. The proposed circuit uses three plus-type differential difference current conveyors, two grounded resistors and two grounded capacitors. The proposed circuit can realize all the standard filter functions: lowpass, bandpass, highpass, notch and allpass, without ...

Journal: :international journal of smart electrical engineering 0
hamid niyazi department of electrical engineering, yazd branch, islamic azad university, fakhralsadat rastegari department of electrical engineering, yazd branch, islamic azad university majid pourahmadi department of electrical engineering, yazd branch, islamic azad university

a novel low noise trans-impedance amplifier is proposed using low cost 0.18 µm cmos technology. a resistive-capacitive feedback is used to extend the bandwidth of the amplifier. as the structure is inductor less, it is suitable for low cost integrated optical interconnects. in this paper improved particle swarm optimization have applied to determine optimal trans-resistance and noise of propose...

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