نتایج جستجو برای: inductance
تعداد نتایج: 3329 فیلتر نتایج به سال:
On-chip inductance effects can be used to improve the performance of high-speed integrated circuits. Specifically, inductance improves the signal slew rate (the rise time), virtually eliminates short-circuit power consumption and reduces the area of the active devices and repeaters inserted to optimize the performance of long interconnects. These positive effects suggest the development of desi...
The parasitic inductance of multilayer ceramic capacitors (MLCCs) is becoming more important in the decoupling of high speed digital systems. There exists conflicting data and statements on the parasitic inductance of the MLCC. This work shows the measurement techniques of the inductance parameters, focusing mainly on the fixturing needed to accurately measure the chips. The effects of various ...
In high power converter design, low-inductance busbar connecting DC capacitors and power devices is the main concern to improve the quality of the whole power electronics system. This paper analyzes the impact of layernumber on the stray inductance of busbar taking a subway traction converter as example. The method of partial element equivalent circuit and the Q3D software are used to extract t...
On-chip inductance effects can be used to improve the performance of high speed integrated circuits. Specifically, inductance improves the signal slew rate (the rise time), virtually eliminates short-circuit power consumption, and reduces the area of the active devices and repeaters inserted to optimize the performance of long interconnects. These positive effects suggest the development of des...
Inductance extraction has become an important issue in the design of high speed CMOS circuits. Two characteristics of on-chip inductance are discussed in this paper that can significantly simplify the extraction of on-chip inductance. The first characteristic is that the sensitivity of a signal waveform to errors in the inductance values is low, particularly the propagation delay and the rise t...
-During normal operation of a three-phase AC induction motor, the magnetic flux in a healthy rotor forms a sinusoidal pattern. Typically, in healthy rotors, little residual flux will remain after the motor is de-energized. However, as rotor anomalies such as cracked or broken bars develop, a net residual flux may be established. This additional flux appears as a variation in the residual flux a...
As the operation frequency reaches gigahertz in deep-submicron designs, the effects of inductance on noise and delay can no longer be neglected. Most of the previous works on inductance extraction are fieldsolvers, which are intrinsically more accurate but computationally expensive. Others focus on modeling the inductances of special routing topologies such as the bus structure. Therefore, it i...
The most common assumption for chip-level inductance extraction is to restrict the current return path to the closest power or ground lines. This paper shows that this assumption is not necessarily valid for technologies beyond 0.1μm. The actual inductance can exceed twice the value that is extracted from the model considering only the nearest current return paths. Analytical formulae to predic...
Abstract— The inductive characteristics of several types of gridded power distribution networks are described in this paper. The inductance extraction program FastHenry is used to evaluate the inductive properties of grid structured interconnect. In power distribution grids with alternating power and ground lines, the inductance is shown to vary linearly with grid length and inversely linearly ...
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