Research Output

2010

Integrated demultiplexer and photodetector for short range transmission in the visible range

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : physica status solidi (c). 8, 3, p. 919-923

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

MicroECG: An Integrated Platform for the Cardiac Arrythmia Detection and Characterization

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFIP Advances in Information and Communication Technology. Vol. 314. p. 367-373

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Monolithic a-SiC:H Stack Architectures as Tunable Optical Filters for Spectral Analysis

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, -. p. 1246-B07-08

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

MOSFET-Only Mixer/IIR Filter with Gain using Parametric Amplification

Oliveira, L. A. B. G. D., Goes, J. C. D. P. & DEE Group Author, 1 Jan 2010, -. p. 1927-1930

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
3 Citations (Scopus)

MOSFET-only Wideband LNA

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2010, In : International Journal of Microelectronics and Computer Science. 1, 3, p. 241-248

Research output: Contribution to journalArticle

13 Citations (Scopus)

MOSFET-Only Wideband LNA with Noise Cancelling and Gain Optimization

Oliveira, L. A. B. G. D., Goes, J. C. D. P. & DEE Group Author, 1 Jan 2010, -. p. 306-311

Research output: Chapter in Book/Report/Conference proceedingConference contribution

13 Citations (Scopus)

Nanocrystalline p-layer for a-Si:H p–i–n solar cells and photodiodes

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : Solar Energy Materials and Solar Cells. 94, 11, p. 1860-1863

Research output: Contribution to journalArticle

Open Access
19 Citations (Scopus)

Optical demultiplexer based on an a-SiC:H voltage controlled device

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : physica status solidi (c). 7, 3-4, p. 1188–1191

Research output: Contribution to journalArticle

Open Access
19 Citations (Scopus)

Optical processing devices based on a-SiC:H multilayer architectures

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : physica status solidi (c). 7, 3-4, p. 1184-1187

Research output: Contribution to journalArticle

Open Access
8 Citations (Scopus)

Optoelectronic properties of a-Si1-xCx:H films grown in hydrogen diluted silane-methane plasma

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : physica status solidi (c). 7, NA, p. 782-785

Research output: Contribution to journalArticle

Open Access

Phototransistor with nanocrystalline Si/amorphous Si bilayer channel

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : Applied Physics Letters. 96, 17, p. 173507-173507-3

Research output: Contribution to journalArticle

Open Access
12 Citations (Scopus)

Purely-digital versus mixed-signal self-calibration techniques in high-resolution pipeline ADCs

Goes, J. C. D. P., Paulino, N. F. S. V. & DEE Group Author, 1 Jan 2010, -. p. 1-8

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Railscan: A Tool for the Detection and Quantification of Rail Corrugation

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2010, IFIP Advances in Information and Communication Technology. Vol. 314. p. 401-408

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
6 Citations (Scopus)

Reviewing Photo-sensing Devices Using a-Sic Based Materials

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, MRS Proceedings. p. 1245-A08-02

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Thermal Assisted Junctions as FPGA Memory Elements

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2010, In : International Journal of Microelectronics and Computer Science. 1, 1, p. 69-75

Research output: Contribution to journalArticle

Two-Stage Fully-Differential Inverter-based Self-Biased CMOS Amplifier with High Efficiency

Santos-tavares, R. M. L., Goes, J. C. D. P. & DEE Group Author, 1 Jan 2010, EEE International Symposium on Circuits and Systems. p. 2828-2831

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
20 Citations (Scopus)

Wavelength Selective a-SiC:H p-i-n/p-i-n Heterostructure for Fluorescent Proteins Detection

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2010, In : Sensor Letters. 8, 3, p. 413-418

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)
2009

ADISI- An efficient tool for the automatic design of integrated spiral inductors

Neves, M. F. D. S. V., Coito, F. J. A. V. D., Fino, M. H. S. & DEE Group Author, 1 Jan 2009, -. p. 799-802

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
8 Citations (Scopus)

a-Si:H p–i–n structures with extreme i-layer thickness

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : THIN SOLID FILMS. 517, 23, p. 6426-6429

Research output: Contribution to journalArticle

Open Access

Blue-enhanced thin-film photodiode for dual-screen x-ray imaging

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : Applied Physics Letters. 95, 26, p. 263505

Research output: Contribution to journalArticle

Open Access
6 Citations (Scopus)

Combined LNA and Mixer Circuits for 2.4 GHz ISM Band

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, -. p. 425-428

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
8 Citations (Scopus)

Design of a low-power, open loop, multiply-by-two amplifier with gain-accuracy improved by local-feedback

Goes, J. C. D. P., Paulino, N. F. S. V. & DEE Group Author, 1 Jan 2009, -. p. 248-251

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Electronic Detection and Quantification of ions in solution using an a-Si:H Field-effect Device

Lavareda, G. A. R., Carvalho, C. A. N. D., DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, -. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Experimental Comparison of Phase Noise in Cross-Coupled RC- and LC-Oscillators

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, In : International Journal of Circuit Theory and Applications. 38, 7, p. 681-688

Research output: Contribution to journalArticle

Open Access
19 Citations (Scopus)

FILTERS: Fractional vs Integer order

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2009, -. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fine Tuning of the Spectral Sensitivity in a-SiC:H Stacked p-i'i-n Graded Cells

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, -. p. 1153-A19-02

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Improved clock-phase generator based on self-biased CMOS logic for time-interleaved SC circuits

Gomes, L. F. D. S., Goes, J. C. D. P. & DEE Group Author, 1 Jan 2009, -. p. 763-766

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
2 Citations (Scopus)

Large area double p–i–n heterostructure for signal multiplexing and demultiplexing in the visible range

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : THIN SOLID FILMS. 517, 23, p. 6435-6439

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

LNA, Oscillator, and Mixer, Co-Design for Compact RF-CMOS ISM Receivers

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, -. p. 291-295

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

LNA, Oscillator and Mixer Co-Design for Compact RF-CMOS ISM Receivers

Oliveira, L. A. B. G. D., Oliveira, J. P. A. D. & DEE Group Author, 1 Jan 2009, MIXED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS. p. 291-295

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

LNA, Oscillator and Mixer Co-Design Strategy Approach for RF-CMOS

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, In : Electronics and Telecommunications Quartely. 55, 4, p. 37-51

Research output: Contribution to journalArticle

Modeling a-SiC:H Tandem Pinpin and Pinip Photodiodes for Color Sensor Application

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : Journal Of Nanoscience And Nanotechnology. 9, 7, p. 4028-4033

Research output: Contribution to journalArticle

Open Access
1 Citation (Scopus)

New stacked photodevices for signal multiplexing and demultiplexing applications in the visible spectrum

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, -. p. 869-874

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Noise Performance of Transimpedance Amplifiers for Radiation Detectors

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, -. p. -

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical multiplexer for short range communications

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : Physica E: Low-dimensional Systems and Nanostructures. 41, 6, p. 1082-1085

Research output: Contribution to journalArticle

Open Access
18 Citations (Scopus)

Optimization of p-type Nanocrystalline Silicon Thin Films for Solar Cells and Photodiodes

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, Materials Research Society Symposium. p. 1153-A06-02

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
1 Citation (Scopus)

Optimization of the a-SiC p-layer in a-Si:H-based n-i-p Photodiodes

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, -. p. 1245-A18-01

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

Photocurrent and Spectral Response Analysis of a-SiC:H Pinip and Pinpin Photodiodes

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : Journal Of Nanoscience And Nanotechnology. 9, 7, p. 4254-4258

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)
Open Access
21 Citations (Scopus)

Run-Time Reconfigurable Array using Magnetic RAM

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, -. p. 74-81

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
3 Citations (Scopus)

Stability of indium-oxide thin-film transistors by reactive ion beam assisted deposition

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, In : THIN SOLID FILMS. 517, 23, p. 6341-6344

Research output: Contribution to journalArticle

Open Access
11 Citations (Scopus)

Stacked pin devices for imaging applications

DEE Group Author & Vieira, M. M. D. A. C., 1 Jan 2009, -. p. 1-4

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access

The Empirical Mode Decomposition an Useful Tool for Signal Analysis

Batista, A. M. G., Ortigueira, M. D. & DEE Group Author, 1 Jan 2009, New Signal Processing Research. Nova Science Publishers, Inc., p. 455-475

Research output: Chapter in Book/Report/Conference proceedingChapter

Thermal Assisted Switching Magnetic Tunnel Junctions as FPGA Memory Elements

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, -. p. 332-336

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Using discrete-variable optimization for CMOS spiral inductor design

Coito, F. J. A. V. D., Pereira, P. M. R., Fino, M. H. S. & DEE Group Author, 1 Jan 2009, -. p. 324-327

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
9 Citations (Scopus)

Wide tuning range quadrature VCO using coupled multivibrators

Oliveira, L. A. B. G. D. & DEE Group Author, 1 Jan 2009, -. p. 341-344

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2008

On the HHT, its problems, and some solutions

Rato, R. T., Ortigueira, M. D. & Batista, A. M. G., Aug 2008, In : Mechanical Systems and Signal Processing. 22, 6, p. 1374-1394 21 p.

Research output: Contribution to journalArticle

219 Citations (Scopus)
2007

Design of Improved Rail-to-Rail Low-Distortion and Low-Stress Switches in Advanced CMOS Technologies

Goes, J. C. D. P., Paulino, N. F. S. V. & DEE Group Author, 1 Jan 2007, IEEE International Conference on Electronics, Circuits and Systems. p. 218-221

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
2005
Open Access
2 Citations (Scopus)