[1] Georges Gielen, Herman Walscharts, Willy Sansen, "ISAAC: a symbolic simulator for analog integrated circuits," IEEE Journal of Solid-State Circuits, Vol. SC-24, No. 6, pp. 1587-1597, December 1989.

[2] Georges Gielen, Herman Walscharts, Willy Sansen, "Analog circuit design optimization based on symbolic simulation and simulated annealing," IEEE Journal of Solid-State Circuits, Vol. SC-25, No. 3, pp. 707-713, June 1990.

[3] Piet Wambacq, Georges Gielen, Willy Sansen, Francisco Fernandez, "Approximation during expression generation in symbolic analysis of analog ICs," Alta Frequenza. Rivista di elettronica, Vol. 5, No. 6, pp. 48-55, November-December 1993.

[4] Georges Gielen, Piet Wambacq, Willy Sansen, "Symbolic analysis methods and applications for analog circuits: a tutorial overview," Proceedings of the IEEE, Vol. 82, No. 2, pp. 287-304, February 1994.

[5] Piet Wambacq, Francisco Fernandez, Georges Gielen, Willy Sansen, Angel Rodriguez-Vazquez, "Algorithm for efficient symbolic analysis of large analogue circuits," IEEE Electronics Letters, Vol. 30, No. 14, pp. 1108-1109, juli 1994.

[6] Piet Wambacq, Francisco Fernandez, Georges Gielen, Willy Sansen, Angel Rodriguez-Vazquez, "Efficient symbolic computation of approximated small-signal characteristics of analog integrated circuits," IEEE Journal of Solid-State Circuits, Vol SC-30, No. 3, pp. 327-330, March 1995.

[7] Koen Lampaert, Georges Gielen, Willy Sansen, "A performance-driven placement tool for analog integrated circuits," IEEE Journal of Solid-State Circuits, Vol. 30, No. 7, pp. 773-780, July 1995.

[8] Georges Gielen, Geert Debyser, Koen Lampaert, Francky Leyn, Koen Swings, Geert Van der Plas, Willy Sansen, Domine Leenaerts, Petar Veselinovic, Wim van Bokhoven, "An analog module generator for mixed analog/digital ASIC design," International Journal of Circuit Theory and Applications, Vol. 23, pp. 269-283, July-August 1995.

[9] Georges Gielen, Zhihua Wang, Willy Sansen, "Optimal fault detection for analogue circuits under manufacturing tolerances," IEE Electronics Letters, Vol. 32, No.1, pp. 33-34, January 4, 1996.

[10] Georges Gielen, José Franca, "CAD tools for data converter design: an overview," IEEE Transactions on Circuits and Systems, part II - Analog and Digital Signal Processing, Vol. 43, No. 2, pp. 77-89, February 1996.

[11] Stéphane Donnay, Georges Gielen, Willy Sansen, Wim Kruiskamp, Domine Leenaerts, Steven Buytaert, Katrien Marent, Marc Buckens, Carl Das, "Using top-down CAD toolds for mixed analog/digital ASICs: a practical design case," Kluwer international journal on Analog Integrated Circuits and Signal Processing, Vol. 10, No. 1/2, pp. 101-117, June-July 1996.

[13] Stéphane Donnay, Georges Gielen, Willy Sansen, "High-level power minimization of analog sensor interface architectures," Integrated Computer-Aided Engineering Journal, accepted, in print.

[14] Georges Gielen, "A computer-aided design environment for analog and mixed-signal integrated circuits for telecommunications and other micro-electronics applications," Proceedings of the Belgian Koninklijke Academie voor Wetenschappen, Letteren en Schone Kunsten en Wetenschappen, accepted, in print.

[15] Georges Gielen, "Progress and potential of symbolic techniques in analog design automation," Springer-Verlag, accepted, in print.

[16] Piet Wambacq, Petr Dobrovolny, Georges Gielen, Willy Sansen, "Symbolic analysis of large analog circuits using a sensitivity-driven enumeration of common spanning trees," IEEE Transactions on Circuits and Systems, accepted, in print.

[17] Piet Wambacq, Georges Gielen, Willy Sansen, "Symbolic network analysis methods for practical analog integrated circuits: a survey," IEEE Transactions on Circuits and Systems, accepted, in print.

[1] Willy Sansen, Georges Gielen, Herman Walscharts, "A symbolic simulator for analog circuits," proceedings IEEE International Symposium on Solid-State Circuits (ISSCC), pp. 204-205, 1989.

[2] Willy Sansen, Frank Op't Eynde, Georges Gielen, "An opamp as a tool for testing," proceedings International Conference on Microelectronic Test Structures (ICMTS), pp. 239-242, 1989.

[3] Herman Walscharts, Georges Gielen, Willy Sansen, "Symbolic simulation of analog circuits in s- and z-domain," proceedings IEEE International Symposium on Circuits and Systems (ISCAS), pp. 814-817, 1989.

[4] Georges Gielen, Herman Walscharts, Willy Sansen, "Analog circuit design optimization based on symbolic simulation and simulated annealing," proceedings IEEE European Symposium on Solid-State Circuits (ESSCIRC), pp. 252-255, 1989.

[5] Georges Gielen, Herman Walscharts, Willy Sansen, "Symbolic calculation of the linear characteristics of analog integrated circuits," proceedings BIRA course on "Technical applications of automatic formula manipulation" (Leuven, Belgium), 1989.

[6] Georges Gielen, Koen Swings, Willy Sansen, "An intelligent design system for analogue integrated circuits," proceedings European Design Automation Conference (EDAC), pp. 169-173, 1990.

[7] Piet Wambacq, Georges Gielen, Willy Sansen, "Symbolic simulation of harmonic distortion in analog integrated circuits with weak nonlinearities," proceedings IEEE International Symposium on Circuits and Systems (ISCAS), pp. 536-539, 1990.

[8] Koen Swings, Georges Gielen, Willy Sansen, "An intelligent analog IC design system based on manipulation of design equations," proceedings IEEE Custom Integrated Circuits Conference (CICC), pp. 8.6.1-8.6.4, 1990.

[9] Georges Gielen, "Symbolic simulation and analytic modeling of analogue integrated circuits," proceedings of the International Summer Course on Systematic Analogue Design (Leuven, Belgium), June 1990.

[10] Piet Wambacq, Georges Gielen, Willy Sansen, "Symbolic analysis of analogue integrated circuits," part of the tutorial on "Design tools for analogue design" at the European Design Automation Conference (EDAC), 1991.

[11] Piet Wambacq, Georges Gielen, Willy Sansen, "Interactive symbolic distortion analysis of analogue integrated circuits," proceedings European Design Automation Conference (EDAC), pp. 484-488, 1991.

[12] Piet Wambacq, Jan Vanthienen, Georges Gielen, Willy Sansen, "A design tool for weakly nonlinear analog circuits with multiple inputs (mixers, multipliers)," proceedings Custom Integrated Circuits Conference (CICC), pp. 5.1.1-5.1.4, 1991.

[13] Georges Gielen, Piet Wambacq, Willy Sansen, "Symbolic approximation strategies and the symbolic analysis of large and nonlinear circuits," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 806-809, 1991.

[14] Georges Gielen, Piet Wambacq, Willy Sansen, "Symbolic analysis in analogue design - Overview," proceedings first International Workshop on Symbolic Methods and Applications to Circuit Design (SMACD), October 1991.

[15] Piet Wambacq, Georges Gielen, Willy Sansen, "ISAAC: a symbolic analysis program for linear and weakly nonlinear analogue integrated circuits," proceedings first International Workshop on Symbolic Methods and Applications to Circuit Design (SMACD), October 1991.

[16] Ed Liu, Alberto Sangiovanni-Vincentelli, Georges Gielen, Paul Gray, "A behavioral representation for Nyquist rate A/D converters," proceedings International Conference on Computer-Aided Design (ICCAD), November 1991.

[17] Georges Gielen, Ed Liu, Alberto Sangiovanni-Vincentelli, Paul Gray, "Analog behavioral models for simulation and synthesis of mixed-signal systems," proceedings European Design Automation Conference (EDAC), pp. 464-468, 1992.

[18] Georges Gielen, Willy Sansen, "Open analog synthesis system based on declarative models," proceedings first workshop on Advances in Analog Circuit Design (AACD), pp. 397-418, April 1992.

[19] Georges Gielen, "Symbolic analysis methods and applications - An overview," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 1141-1144, 1992.

[20] Piet Wambacq, Georges Gielen, Willy Sansen, "A cancellation-free algorithm for the symbolic simulation of large analog circuits," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 1157-1160, 1992.

[21] Georges Gielen, José Franca, "Computer-aided design tools for data converters - An overview," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 2140-2143, 1992.

[22] Ed Liu, Georges Gielen, Henry Chang, Alberto Sangiovanni-Vincentelli, Paul Gray, "Behavioral modeling and simulation of data converters," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 2144-2147, 1992.

[23] Piet Wambacq, Georges Gielen, Willy Sansen, "An efficient and cancellation-free algorithm for the generation of simplified symbolic formulas," proceedings second International Workshop on Symbolic Methods and Applications in Circuit Design (SMACD), October 1992.

[24] Hans De Doncker, Stéphane Donnay, Koen Lampaert, Frank Proesmans, Koen Swings, Geert Van der Plas, Georges Gielen, Willy Sansen, Domine Leenaerts, Petar Veselinovic, Steven Buytaert, Marc Buckens, Katrien Marent, Carl Das, "Analog module generator for space applications," proceedings ProRISC Workshop on Circuits, Systems and Signal Processing, pp. 141-146, March 1993.

[25] Stéphane Donnay, Koen Swings, Georges Gielen, Willy Sansen, Wim Kruiskamp, Domine Leenaerts, Steven Buytaert, Marc Buckens, Katrien Marent, Carl Das, "Mixed analog/digital silicon compiler for space applications," proceedings ProRISC Workshop on Circuits, Systems and Signal Processing, pp. 197-202, March 1993.

[26] Georges Gielen, Willy Sansen, "Modeling of the power-supply interactions of CMOS operational amplifiers using symbolic computation," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 1381-1384, 1993.

[27] Stéphane Donnay, Koen Swings, Georges Gielen, Willy Sansen, Wim Kruiskamp, Domine Leenaerts, "A methodology for analog design automation in mixed-signal ASICs," proceedings European Design and Test Conference (EDAC), pp. 530-534, 1994.

[28] Frank Proesmans, Georges Gielen, Willy Sansen, Petar Veselinovic, Domine Leenaerts, Wim van Bokhoven, "A method for topology selection within an automated analog synthesis system," proceedings ProRISC Workshop on Circuits, Systems and Signal Processing, pp. 199-206, March 1994.

[29] Stéphane Donnay, Koen Swings, Georges Gielen, Willy Sansen, "A methodology for analog high-level synthesis," proceedings Custom Integrated Circuits Conference (CICC), pp. 373-376, 1994.

[30] Piet Wambacq, Francisco Fernandez, Georges Gielen, Willy Sansen, Angel Rodriguez-Vazquez, "Efficient symbolic computation of approximated small-signal characteristics," proceedings Custom Integrated Circuits Conference (CICC), pp. 461-464, 1994.

[31] Francisco Fernandez, Piet Wambacq, Georges Gielen, Angel Rodriguez-Vazquez, Willy Sansen, "Symbolic analysis of large analog integrated circuits by approximation during expression generation," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 1.25-1.28, 1994.

[32] Zhihua Wang, Georges Gielen, Willy Sansen, "A novel method for the fault detection of analog integrated circuits," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 1.347-1.350, 1994.

[33] Georges Gielen, Piet Wambacq, Willy Sansen, "Is there a future for symbolic analysis?," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 1.453, 1994.

[34] Koen Lampaert, Georges Gielen, Willy Sansen, "Performance-driven placement of analog circuits," proceedings European Solid-State Circuits Conference (ESSCIRC), pp. 156-159, 1994.

[35] Geert Van der Plas, Georges Gielen, Willy Sansen, "Modeling and representation of the integrated circuit design process," proceedings 8th European Knowledge Acquisition Workshop (EKAW), September 1994.

[36] Georges Gielen, Geert Debyser, "Application of symbolic equations in analog circuit optimization," proceedings third International Workshop on Symbolic Methods and Applications to Circuit Design (SMACD), October 1994.

[37] Piet Wambacq, Francisco Fernandez, Georges Gielen, Willy Sansen, Angel Rodriguez-Vazquez, "Symbolic network analysis of large analogue integrated circuits," proceedings third International Workshop on Symbolic Methods and Applications to Circuit Design (SMACD), October 1994.

[38] Georges Gielen, Zhihua Wang, Willy Sansen, "Fault detection and input stimulus determination for the testing of analog integrated circuits based on power-supply current monitoring," proceedings International Conference on Computer-Aided Design (ICCAD), pp. 495-498, November 1994.

[39] Zhihua Wang, Georges Gielen, Willy Sansen, "Testing of analog integrated circuits based on power-supply current monitoring and discrimination analysis," proceedings Asian Test Symposium (ATS), November 1994.

[40] Francisco Fernández, Piet Wambacq, Georges Gielen, Willy Sansen, Angel Rodríguez-Vázquez, "Un algoritmo para el análisis simbólico de circuitos integrados analógicos de gran tamaño," proceedings IX Congreso de Diseño de Circuitos Integrados (Las Palmas de Gran Canaria, Spain), pp. 83-88, November 1994.

[41] Willy Sansen, Georges Gielen, Geert Van der Plas, Koen Swings, Stéphane Donnay, Koen Lampaert, "Analog module generation for mixed A/D ASIC design," proceedings International Conference on Electronics, Circuits and Systems (ICECS), December 1994.

[42] Petar Veselinovic, D. Leenaerts, W. van Bokhoven, F. Leyn, F. Proesmans, G. Gielen, W. Sansen, "A flexible topology selection program as part of an analog synthesis system," proceedings European Design and Test Conference (ED&TC), pp. 119-123, 1995.

[43] Koen Lampaert, Georges Gielen, Willy Sansen, "Direct performance-driven placement of mismatch-sensitive analog circuits," proceedings European Design and Test Conference (ED&TC), pp. 597, 1995.

[44] Georges Gielen, "Introduction to analog and mixed-signal CAD," proceedings of the 2nd International Summer Course on Systematic Analog Design (Leuven, Belgium), May-June 1995.

[45] Georges Gielen, "Analog power-supply current monitoring," proceedings of the 2nd International Summer Course on Systematic Analog Design (Leuven, Belgium), May-June 1995.

[46] Koen Lampaert, Georges Gielen, Willy Sansen, "Direct performance-driven placement of mismatch-sensitive analog circuits," proceedings Design Automation Conference (DAC), pp. 445-449, June 1995.

[47] Georges Gielen, Geert Debyser, Piet Wambacq, Koen Swings, Willy Sansen, "Use of symbolic analysis in analog circuit synthesis," proceedings International Symposium on Circuits and Systems (ISCAS), pp. 2205-2208, May 1995.

[48] Georges Gielen, Geert Debyser, Stéphane Donnay, Koen Lampaert, Francky Leyn, Koen Swings, Geert Van der Plas, Piet Wambacq, Willy Sansen, "Comparison of analog synthesis using symbolic equations and simulation," proceedings European Conference on Circuit Theory and Design (ECCTD), pp. 79-82, August 1995.

[49] Jan Crols, Stéphane Donnay, Michiel Steyaert, Georges Gielen, "A high-level design and optimization tool for analog RF receiver front-ends," proceedings International Conference on Computer-Aided Design (ICCAD), pp. 550-553, November 1995.

[50] Georges Gielen, Stéphane Donnay, Jan Crols, Michiel Steyaert, "ORCA: a high-level architectural exploration and optimization tool for analog RF receiver front-ends," proceedings EDA-Träff '96, April 1996.

[51] Koen Lampaert, Georges Gielen, Willy Sansen, "Analog routing for manufacturability," proceedings Custom Integrated Circuits Conference (CICC), pp. 175-178, May 1996.

[52] Piet Wambacq, Georges Gielen, Willy Sansen, "A new reliable approximation method for expanded symbolic network functions," proceedings International Symposium on Circuits and Systems (ISCAS), Vol. IV, pp. 584-587, May 1996.

[53] Piet Wambacq, Francisco Fernández, Georges Gielen, Willy Sansen, Angel Rodríguez-Vázquez, "A family of matroid intersection algorithms for the computation of approximated symbolic network functions," proceedings International Symposium on Circuits and Systems (ISCAS), Vol. IV, pp. 806-809, May 1996.

[54] L. Richard Carley, Georges Gielen, Rob Rutenbar, Willy Sansen, "Synthesis tools for mixed-signal ICs: progress on frontend and backend strategies," proceedings Design Automation Conference (DAC), pp. 298-303, June 1996.

[55] Koen Lampaert, Georges Gielen, Willy Sansen, "Thermally constrained placement of analog and smart power integrated circuits," proceedings European Solid-State Circuits Conference (ESSCIRC), pp. 160-163, September 1996.

[56] Petr Dobrovolny, Piet Wambacq, Georges Gielen, Willy Sansen, "Algorithms for symbolic circuit analysis based on matroid intersection theory," proceedings International Conference on Communications, Signals and Systems (CSS), pp. 399-402, September 1996.

[57] Georges Gielen, "Progress and potential of symbolic techniques in analog design automation," proceedings Analog'96 "Entwicklung von Analogschaltungen miet CAE-Methoden", pp. 3, October 1996.

[58] Piet Wambacq, Georges Gielen, Willy Sansen, "Symbolic network analysis methods for practical analog integrated circuits: a survey," proceedings 4th international workshop on Symbolic Methods and Applications in Circuit Design (SMACD), October 1996.

[59] Piet Wambacq, Petr Dobrovolny, Georges Gielen, Willy Sansen, "Generation of approximate symbolic network functions by sensitivity-driven ranking of matroid intersections," proceedings 4th international workshop on Symbolic Methods and Applications in Circuit Design (SMACD), October 1996.

[60] Geert Debyser, Francky Leyn, Georges Gielen, Maciej Styblinski, "Towards efficient statistical analog IC design using symbolic methods in DONALD/GOSSIP environment," proceedings 4th international workshop on Symbolic Methods and Applications in Circuit Design (SMACD), October 1996.

[61] Francky Leyn, Georges Gielen, Willy Sansen, Peter Jores, "A methodology for derivation of behavioral AC models for analog circuits. ef2ef: An open environment for modeling of analog circuits," proceedings 4th international workshop on Symbolic Methods and Applications in Circuit Design (SMACD), October 1996.

[62] Piet Wambacq, Marina Topa, Georges Gielen, Willy Sansen, E. Simion, "Factorization of approximate symbolic network functions of complex analog integrated building blocks," proceedings 4th international workshop on Symbolic Methods and Applications in Circuit Design (SMACD), October 1996.

[63] Philippe Reynaert, Ludwig Callewaert, Georges Gielen, Geert Debyser, Koen Lampaert, Francky Leyn, Geert Van der Plas, Willy Sansen, Birger Schneider, René Bloch, Dave Orton, Steve Boardman, Jeremy Stent, Jean-François Agaesse, Jörg-Olliver Fischer-Binder, Jukka Riihiaho, Kari Tukkiniemi, "ADMIRE: Advanced Mixed Signal Design Environment," proceedings International Conference on Electronic Circuits and Systems (ICECS), October 1996.

[64] Koen Lampaert, Georges Gielen, Willy Sansen, "Thermally constrained placement of smart-power IC's and multi-chip modules," proceedings Semitherm, January 1997.

[65] Stéphane Donnay, Georges Gielen, Willy Sansen, Wim Kruiskamp, Domine Leenaerts, Wim van Bokhoven, "High-level synthesis of analog sensor interface front-ends," proceedings IEEE/ACM European Design & Test Conference (ED&TC), pp. 56-60, March 1997.

[66] Geert Van der Plas, Jan Vandenbussche, Georges Gielen, Willy Sansen, "EsteMate: a tool for automated power and area estimation in analog top-down design and synthesis," proceedings IEEE Custom Integrated Circuits Conference (CICC), pp. 139-142, May 1997.

[67] Wim Verhaegen, Geert Van der Plas, Georges Gielen, "Automated test pattern generation for analog integrated circuits," proceedings IEEE VLSI Test Symposium (VTS), pp. 296-301, May 1997.

[68] Francky Leyn, Walter Daems, Georges Gielen, Willy Sansen, "Analog circuit sizing with constraint programming modeling and minimax optimization," proceedings IEEE International Symposium on Circuits and Systems (ISCAS), pp. 1500-1503, June 1997.

[69] Georges Gielen, Walter Daems, Wim Verhaegen, Willy Sansen, Domine Leenaerts, Petar Veselinovic, "An error bound method for symbolic network function generation," proceedings European Conference on Circuit Theory and Design, pp., August 1997.

[70] Stéphane Donnay, Georges Gielen, Willy Sansen, "High-level analog/digital partitioning in low-power signal processing applications," proceedings 7th international workshop on Power and Timing Modeling, Optimization and Simulation (PATMOS), pp. 47-56, September 1997.

[71] Bart De Smedt, Georges Gielen, "Accurate simulation of phase noise in oscillators," proceedings European Solid-State Circuits Conference (ESSCIRC), pp. 208-211, September 1997.

[72] Jan Vandenbussche, Philippe Lemmerling, Johan Suykens, Georges Gielen, "Behavioral modeling of analog circuits using neural networks," proceedings IEEE/VIUF international workshop on Behavioral Modeling and Simulation (BMAS'97), pp. 1-8, October 1997.

[73] Francky Leyn, Walter Daems, Georges Gielen, Willy Sansen, "A behavioral signal path modeling methodology for qualitative insight in and efficient sizing of CMOS opamps," proceedings IEEE/ACM Internation Conference on Computer-Aided Design (ICCAD), pp. 374-381, November 1997.