搜索结果: 1-15 共查到“电子科学与技术 Current”相关记录41条 . 查询时间(0.505 秒)
Design and Evaluation of an L-Band Current-Mode Class-D Power Amplifier Integrated Circuit
power amplifier mixer integrated circuit model efficiency
2014/12/8
Power amplifiers (PAs) convert energy from DC to high frequencies in all radio and microwave transmitter systems be they wireless base stations, handsets, radars, heaters, and so on. PAs are the domin...
Propagation Prediction Over Random Rough Surface By Zeroth Order Induced Current Density
Zeroth order induced current density Volterra integral equation of the second kind Analytical solution to zeroth order Monte-Carlo simulations Random rough surface mean propagation factor
2014/12/8
Electromagnetic wave propagation over random sea surfaces is a classical problem of interest for the Navy, and significant research has been done over the years. Here we make use of numerical and anal...
Improved algorithm on retrieval ocean surface current based on X-band radar
ocean surface current X-band radar dispersion relationship membership least square method (LSM)
2012/3/22
In order to overcome the traditional current retrieval algorithm’s shortcomings based on X-band radar, such as a large error existing at the low current rate and the unsteady result, an improved algor...
Hydrogenated amorphous silicon thin-film transistor (a-Si:H TFT) pixel electrode circuit with a function of current scaling is proposed for active-matrix organic light-emitting displays (AM-OLEDs). In...
We fabricated and characterized the hydrogenate amorphous-silicon thin-film transistor (a-Si:H TFT) pixelelectrode circuit with the current-scaling function that can be used for active-matrix organic ...
New SRCO with explicit current-mode output using two CCs and grounded capacitors
Analog signal processing current conveyors signal generators
2011/3/22
A new Grounded-Capacitor Single Resistance Controlled Sinusoidal Oscillator (SRCO) with explicit current output using two Current Conveyors (CCs) and five passive elements is presented.
Simulation of storage time versus reverse bias current for p+n and pin diodes
Reverse recovery pin diode semiconductor devices semiconductor devices simulation
2011/3/22
In this study, the reverse-recovery behaviors of pin and p+n diodes were simulated as a function of the reverse current and carrier lifetime. For this purpose, a 1-D simulation program was written to ...
Voltage/Current-Mode Multifunction Filters Using Current-Feedback Amplifiers and Grounded Capacitors
Voltage/Current-Mode Multifunction Filters Current-Feedback Amplifiers Grounded Capacitors
2010/12/3
One configuration for realizing voltage-mode multifunction filters and another configuration for realizing current-mode multifunction filters each using two current-feedback amplifiers (CFAs) are pres...
Current-Mode Third-Order Quadrature Oscillator Using CDTAs
Current-Mode Third-Order Quadrature Oscillator CDTAs
2010/12/3
This paper describes a current-mode third-order quadrature oscillator based on current differencing transconductance amplifiers (CDTAs). Outputs of two current-mode sinusoids with 90° phase difference...
QUASI-EQUILIBRIUM CHANNEL MODEL OF AN ARC OF A CONSTANT CURRENT
low-temperature plasma constant current plasma generators two-temperature model
2009/10/13
The rather simple method of calculation of electronic and gas temperature in the channel of arc of plasma generator is offered. This method enters in frameworks of self-consistent two-temperature chan...
State-Space Synthesis of Current-Mode First-Order Log-Domain Filters
Log-domain filters current-mode circuits state-space synthesis
2009/7/28
This paper proposes current-mode first-order log-domain filters, which are systematically derived using the state-space synthesis procedure. First-order low-pass, high-pass, and all-pass responses are...
New Oscillator Topologies Using Inverting Second-Generation Current Conveyors
Oscillator Topologies Second-Generation Current Conveyors
2009/7/28
In this work, new oscillator topologies based on a recently introduced active element, namely inverting second-generation current conveyor, are presented. This recently introduced unity gain based act...
Imaging Electrical Current Density Using Nuclear Magnetic Resonance
Imaging Electrical Current Density Nuclear Magnetic Resonance
2009/7/27
In this study, images of nonuniform and uniform electric current density in conductor phantoms, which contain magnetic resonance active nuclei, are produced using Magnetic Resonance Imaging (MRI). A s...
Prospect and Current Status of Optical Communication Devices Based on Planar Lightwave Circuits
Wavelength division multiplexing Planar lightwave circuits Arryed waveguide grating
2009/6/9
Current status of optical communication devices based on planar lightwave circuits is described from the technical and marketing points of view. The main market place for optical devices has been shif...
Micropower Fuzzy Linguistic-Hedges Circuit in Current-Mode Approach
Current-mode Linguistic-Hedge Fuzzy Logic low power
2010/2/2
In this paper, based on a novel synthesis, a set of new
simplified circuit design to implement the linguistic-hedge operations
for adjusting the fuzzy membership function set is presented. The
circ...