Publications

A collection of papers:

Files in pdf format or external links.

A. C. M. de Queiroz and L. P. Cal�ba, Physically symmetrical and antimetrical ladder filters with finite transmission zeros, 30th. MWSCAS, Syracuse, USA, August 1987.
A. C. M. de Queiroz, L. P. Cal�ba, and E. Sanchez-Sinencio, Signal flow graph OTA-C integrated filters, 1988 IEEE ISCAS, Espoo, Finland, pp. 2165-2168, June 1988.
A. C. M. de Queiroz and L. P. Cal�ba, Some practical problems in OTA-C filters related with parasitic capacitances, 1990 IEEE ISCAS, New Orleans, USA, pp. 2279-2282, May 1990.
A. C. M. de Queiroz and L. P. Cal�ba, Optimal filter overdesign, 36th MWSCAS, Detroit, USA, pp. 1388-1391, August 1993.
J. Schechtman, A. C. M. de Queiroz, and L. P. Cal�ba A high performance balanced MOS transconductor, 36th MWSCAS, Detroit, USA, pp. 1378-1381, August 1993.
J. Schechtman, A. C. M. de Queiroz, and L. P. Cal�ba, Switched-current filters using component simulation, 1994 IEEE ISCAS, London, U. K., pp. 569-572, May 1994.
A. C. M. de Queiroz and P. M. Pinheiro, Switched-current ladder band-pass filters, 1994 IEEE ISCAS, London, U. K., pp. 309-312, May 1994.
J. Schechtman, A. C. M. de Queiroz, and L. P. Cal�ba, A practical implementation scheme for component simulation SI filters, 38th MWSCAS, Rio de Janeiro, Brazil, pp. 174-177, August 1995.
A. C. M. de Queiroz and L. P. Cal�ba, Reactive loop elimination and the use of special approximations in the design of OTA-C filters, 38th MWSCAS, Rio de Janeiro, Brazil, pp. 1341-1344, August 1995.
A. C. M. de Queiroz, Compact nodal analysis with controlled sources modeled by ideal operational amplifiers, 38th MWSCAS, Rio de Janeiro, Brazil, pp. 1205-1208, August 1995.
A. C. M. de Queiroz and L. P. Cal�ba, Statistical prediction of errors in the localization of poles and zeros by sensitivity analysis, 1996 IEEE ISCAS, Atlanta, USA, pp. IV/608-IV/611, May 1996.
A. C. M. de Queiroz and R. R. Martins, Experimental bipolar realization of a switched-current filter, 39th MWSCAS, Ames, Iowa, USA, pp. 907-910, August 1996.
A. C. M. de Queiroz and J. Schechtman, Elimination of nonlinear clock feedthrough in component-simulation switched-current circuits, by , 1998 IEEE ISCAS, Monterey, USA, Vol. I, pp. 325-328, May 1998.
A. C. M. de Queiroz and J. Schechtman, Sensitivity and error reduction by component swapping in switched-current filters, 1999 IEEE ISCAS, Orlando, USA, Vol. 2, pp. 480-483, May 1999.
A. C. M. de Queiroz, Synthesis of multiple resonance networks, 2000 IEEE ISCAS, Geneva, Switzerland, Vol. V, pp. 413-416, May 2000.
A. C. M. de Queiroz, Considerations about frequency spectrum and signal feedthrough in the design of switched-current filters, 6th SMACD, Lisbon, Portugal, pp. 163-166, October 2000.
A. C. M. de Queiroz, Unbalanced lattice switched-current filters, 2001 IEEE ISCAS, Sydney, Australia, Vol I, pp. 1-4, May 2001.
A. S. de la Vega, A. C. M. de Queiroz, and P. S. R. Diniz, Adaptive filter implementation using switched-current technique, 2001 IEEE ISCAS, Sydney, Australia, Vol I, pp. 17-20, May 2001.
A. C. M. de Queiroz, A simple design technique for multiple resonance networks, ICECS 2001, Malta, Vol I, pp. 169-172, September 2001.
A. C. M. de Queiroz, Generalized multiple resonance networks, 2002 IEEE ISCAS, Scottsdale, USA, Vol. III, pp. 519-522, May 2002.
A. C. M. de Queiroz Capacitively coupled multiple resonance networks, 2003 IEEE ISCAS, Bangkok, Thailand, Vol. I, pp. 181-184, May 2003.
A. C. M. de Queiroz, C�lculo de indut�ncias e indut�ncias m�tuas pelo m�todo de Maxwell, Semana da Eletr�nica 2003, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil, September 2003.
A. C. M. de Queiroz, Automatic adjustment of the output impedance of a balanced transconductor using a charged capacitor, 46th MWSCAS, Cairo, Egypt, Vol. I, pp. 21-24, December 2003.
A. C. M. de Queiroz, Band-pass multiple resonance networks, 47th MWSCAS, Hiroshima, Japan, July 2004, Vol. III, pp. 275-278.
A. C. M. de Queiroz, Multiple resonance networks with incomplete energy transfer and operating with zero-state response, 2005 IEEE ISCAS, Kobe, Japan, Vol. I, pp. 236-239, May 2005.
A. C. M. de Queiroz, Component simulation switched-current filters using backward Euler transformation, 49th MWSCAS, San Juan, Puerto Rico, pp. 245-248, August 2006.
A. C. M. de Queiroz, Doublers of Electricity, Physics Education, 42, March 2007, pp. 156-162. Note.
A. C. M. de Queiroz, The triple resonance network with sinusoidal excitation, ICECS 2007, Marrakech, Morocco, pp. 1143-1146, December 2007. Note.
A. C. M. de Queiroz, Wideband asymmetrical bandpass LC-ladder matching networks for low-noise amplifiers, ICECS 2008, St. Julians, Malta, pp. 974-977, September 2008.
A. C. M. de Queiroz, Balanced transconductor-C ladder filters with improved linearity, 52nd MWSCAS, Canc�n, Mexico, pp. 41-44, August 2009.
A. C. M. de Queiroz, Electrostatic vibrational energy harvesting using a variation of Bennet�s doubler, 53th MWSCAS, Seattle, USA, pp. 404-407, August 2010.
A. C. M. de Queiroz, Live demonstration: Electronic doubler of electricity, 2011 IEEE ISCAS, Rio de Janeiro, Brazil, p. 1991, May 2011.
A. C. M. de Queiroz and M. Domingues, Electrostatic energy harvesting using doublers of electricity, 54th MWSCAS, Seoul, South Korea, pp. 1-4, August 2011.
A. C. M. de Queiroz and M. Domingues, The doubler of electricity used as battery charger, IEEE Transactions on Circuits and Systems II, Vol. 58, 12, pp. 797-801, December 2011.
A. C. M. de Queiroz and I. O. Gameleiro, Low-distortion balanced transconductor-C ladder filters without common-mode feedback, 55th MWSCAS, Boise, EUA, pp. 97-100, August 2012.
A. C. M. de Queiroz, The electrostatic machines in the UFRJ Polytechnic School museum, XXXI Symposium of the Scientific Instrument Commission, Rio de Janeiro, Brazil, October 2012.
A. C. M. de Queiroz, Electrostatic generators for vibrational energy harvesting, LASCAS 2013, Cusco, Peru, pp. 1-4, February 2013.
M. Domingues and A. C. M. de Queiroz, Ultra-low-power control systems for electrostatic energy harvesters, ISCAS 2013, Beijing, China, pp. 2960-2963, May 2013.
A. C. M. de Queiroz and M. Domingues, Analysis of the doubler of electricity considering a resistive load, 56th MWSCAS, Columbus, Ohio, USA, pp. 45-48, August 2013.
A. C. M. de Queiroz, Electrostatic energy harvesting without active control circuits, LASCAS 2014, Santiago, Chile, February 2014.
A. C. M. de Queiroz and M. S. de Souza, Batteryless electrostatic energy harvester and control system, ISCAS 2014, Melbourne, Australia, pp. 1977-1980, June 2014.
A. C. M. de Queiroz and L. C. M de Oliveira Filho, Simulation of MEMS energy harvesting generators based on Bennet�s doubler, LASCAS 2015, Montevideo, Uruguay, pp. 1-4, February 2015.
A. C. M. de Queiroz, Analysis of the operation of a regenerative electrostatic energy harvester, ISCAS 2015, Lisboa, Portugal, May 2015.
A. C. M. de Queiroz, Electrostatic energy harvesting using capacitive generators without control circuits, Analog Integrated Circuits and Signal Processing, June 2015.
A. C. M. de Queiroz and L. C. M. de Oliveira Filho, Energy harvesting with 3D-printed electrostatic generators, LASCAS 2016, Florian�polis, Brazil, pp. 127-130, February 2016.
A. C. M. de Queiroz, Energy harvesting using symmetrical electrostatic generators, ISCAS 2016, Montreal, Canad�, pp. 650-653, May 2016.
A. C. M. de Queiroz, Biased capacitive divider electrostatic generators for energy harvesting, LASCAS 2017, San Carlos de Bariloche, Argentina, pp. 29-32, February 2017.
A. C. M. de Queiroz and L. C. M. de Oliveira Filho, Live demonstration: Unipolar symmetrical variable-capacitance generators for energy harvesting, ISCAS 2017, Baltimore, USA, p. 1739, May 2017.
A. C. M. de Queiroz and L. C. M. de Oliveira Filho, Unipolar symmetrical variable-capacitance generators for energy harvesting, 60th MWSCAS, Boston, USA, August 2017.
A. C. M. de Queiroz, Steady state analysis of electronic electrostatic generators, 2018 IEEE International Symposium on Circuits and Systems, Florence, Italy, pp. 1-5,May 2018.
A. C. M. de Queiroz and N. Telles de Menezes, Energy harvesting with pairs of variable capacitors without control systems, Analog Integrated Circuits and Signal Processing, June 2018. Direct link.
A. C. M. de Queiroz, Analysis of electronic electrostatic generators, IEEE Transactions on Circuits and Systems II, August 2018. Preprint.
A. C. M. de Queiroz, Voltage measurement with pith balls, European Journal of Physics, November 2018. Preprint.
A. C. M. de Queiroz, Variations of the doubler of electricity, Physics Education, Vol. 54, No. 3, p. 035019, April 2019.

Other documents:

Mutual inductance and inductance calculations by Maxwell's method, by A. C. M. de Queiroz.
Capacitance calculations, by A. C. M. de Queiroz.
Switched-current circuits, synthesis and analysis techniques, by A. C. M. de Queiroz.
The capacitance of a wire, by A. C. M. de Queiroz
Wireless energy transfer, by A. C. M de Queiroz

Some references mentioned in the papers:

Multiple resonance networks:

P. Drude, �Uber induktive Erregung zweier elektrischer Schwingungskreise mit Anwendung auf Perioden und Dampfungsmessung, Tesla transformatoren und drahtlose Telegraphie,� Annalen der Physik, pp. 512-561, vol. 13, 1904. Partial translation. Another translation.
F. M. Bieniosek, �Triple resonance pulse transformer circuit,� Review of Scientific Instruments 61 (6) p. 1717, June 1990.
F. M. Bieniosek, �Triple resonance high voltage pulse transformer circuit,� Proc. 6th IEEE Pulsed Power Conference, p. 700, 1987.

Bennet's doubler and similar devices:

A. Bennet, �An Account of a Doubler of Electricity,� Philosophical Transactions, XLVII, pp. 288-296, May 1787.
W. Wilson, �Description of a compound electrical instrument for condensing and doubling: with experiments,� Journal of Natural Philosophy, Chemistry and the Arts, Vol. IX, pp. 19-24, September 1804. Local copy.
L. J. Giacoletto and I. Wolff, �Electrostatic generator,� U. S. patent 2567373, 11 September 1951.
C. D. Curtis, �High voltage electric generator,� U. S. patent 3175104, 23 March 1965.
C. D. Curtis, "Output power from a self-excited electrostatic generator," Symposium on Electrostatic Energy Conversion, 1963.

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Last update: 2 June 2020.

Developed and Maintained by Antonio Carlos M. de Queiroz

Lamento informar que o Prof. Antonio Carlos Moreir�o de Queiroz faleceu h� algum tempo.
Sei que esta p�gina � visitada constantemente. Assim, gostaria de saber se temos algum visitante (interessado) que seja da UFRJ. Se for, por favor, envie um e-mail para [email protected].
Comento que � impressionante ver o que Moreir�o foi capaz de fazer. Ele n�o s� projetou os circuitos, mas tamb�m fez todo o trabalho de marceneiro (melhor que muitos que j� vi e eram profissionais).
Segundo Moreir�o contou em uma palestra, ele s� levou choque uma vez. Sem querer encostou o dedo m�dio em um capacitor com alta tens�o que se descarregou atrav�s do dedo. A corrente ao passar por uma das articula��es a danificou e do�a sempre que dobrava esse dedo. Mas, segundo ele, j� tinha acostumado.
E. Watanabe (ELEPOT)