Publication

PCB Design and Fabrication for NEMS Applications

2015
Student Projects

Abstract

In this project, a resonator was theoretically defined and modelled in an effort to choose appropriate impedance matching between the resonator and outside electronics. Quite Universal Circuit Simulation (QUCS) was used to model the S-parameter of potential electronic circuits. Two types of impedance were tested: LC and transformer. Based on the commercial availability of the components and the S-parameter results, a 3 transformer matching design was chosen. The schematic library and the PCB library of all the components were made on Altium and a first design of the PCB is presented.

Official source

https://infoscience.epfl.ch/entities/publication/84227bef-0ff8-4fe3-8439-60c5256279bc

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2015
Student Projects

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/84227bef-0ff8-4fe3-8439-60c5256279bc

About this result

Related concepts (32)

Input impedance

The input impedance of an electrical network is the measure of the opposition to current (impedance), both static (resistance) and dynamic (reactance), into a load network that is external to the electrical source network. The input admittance (the reciprocal of impedance) is a measure of the load network's propensity to draw current. The source network is the portion of the network that transmits power, and the load network is the portion of the network that consumes power.

Impedance matching

In electronics, impedance matching is the practice of designing or adjusting the input impedance or output impedance of an electrical device for a desired value. Often, the desired value is selected to maximize power transfer or minimize signal reflection. For example, impedance matching typically is used to improve power transfer from a radio transmitter via the interconnecting transmission line to the antenna. Signals on a transmission line will be transmitted without reflections if the transmission line is terminated with a matching impedance.

Electrical impedance

In electrical engineering, impedance is the opposition to alternating current presented by the combined effect of resistance and reactance in a circuit. Quantitatively, the impedance of a two-terminal circuit element is the ratio of the complex representation of the sinusoidal voltage between its terminals, to the complex representation of the current flowing through it. In general, it depends upon the frequency of the sinusoidal voltage.

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PCB Design and Fabrication for NEMS Applications

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