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Realization of logic integrated circuits in VeSTIC process - design, fabrication, and characterization

Domański Krzysztof, Głuszko Grzegorz, Sierakowski Andrzej, Tomaszewski Daniel, Szmigiel Dariusz

International Journal of Microelectronics and Computer Science

2018

Vol. 9, nr 3

123--132

A design and manufacturing of test structures for characterization of logic integrated circuits in a VeSTIC process developed in ITE, are described. Two variants of the VeSTIC processs have been described. A role and sources of the process variability have been discussed. The VeSFET I-V characteristics, the logic cell static characteristics, and waveforms of the 53-stage ring oscillator are presented. Basic parameters of the VeSFETs have been determined. The role of the process variability and of the parasitic elements introduced by the conservative circuit design, e.g. wide conductive lines connecting the devices in the circuits, have been discussed. Based on the inverter layout and on the process specification, the parasitic elements of the inverter equivalent circuit have been extracted. The inverter propagation times, the ring oscillator frequency, and their dependence on the supply bias have been determined.

Design and characteristics of dual-band antenna with parasitic elements for Wi-Fi applications

Garbaruk M., Mieczyńska M.

Przegląd Elektrotechniczny

2017

R. 93, nr 12

6--9

The paper presents results of a computer design and simulation of a dual-band antenna for Wi-Fi applications. The antenna design algorithm is described. Two parasitic elements have been appended to obtain the dual-band performance. Frequency characteristics of the antenna impedance, voltage SWR and radiation patterns are shown.

W artykule zostały przedstawione wyniki komputerowego projektowania i symulacji dwupasmowej anteny do zastosowania w systemie Wi-Fi. W celu uzyskania pracy anteny w obu pasmach systemu Wi-Fi w konstrukcji anteny zostały zastosowane dwa elementy pasożytnicze. W pracy pokazano charakterystyki częstotliwościowe impedancji anteny, WFS oraz charakterystyki promieniowania.