Publications

Books and Manuals

G.M. Wierzba, Sspice User Manual, East Lansing, MI: Michigan State University Instructional Media Center, 1991.

G.M. Wierzba, RC-Active Filter Design Handbook: Chapter 2 - Approximation, F. W. Stephenson, Volume Editor, John Wiley & Sons Inc., New York, pp. 19-43, 1985.

Journals

A.D. Downey and G.M. Wierzba, "Class-G/FB Audio Amplifier," IEEE Transactions on Consumer Electronics, Vol. CE-53, pp 1537-1545, November 2007.

G.M. Wierzba and Y. Kang, "Application Briefs: Analog Macromodel Creation for Spice Simulation," Electronic Design: Special Analog Issue, pp. 75-76, Nov. 18, 1996.

S-M. Chang and G.M. Wierzba, "Circuit Level Decomposition of Networks with Nullor for Symbolic Analysis," IEEE Transactions on Circuits and Systems, Vol. CAS-41, pp 699-711, November 1994.

J.A. Svoboda and G.M. Wierzba, "Using PSpice to Determine the Relative Stability of RC Active Filters," International Journal of Electronics, Vol. 74, pp. 593-604, April 1993.

G.M. Wierzba, "Op-amp relocation: A topological active network synthesis," IEEE Transactions on Circuits and Systems, Vol. CAS-33, pp. 469-475, May 1986.

E.D. Erb and G.M. Wierzba, "Expression for the output resistance of switched R-2R ladder network," IEEE Transactions on Circuits and Systems, Vol. CAS-30, pp. 167-169, March 1983.

P.R. Bryson and G.M. Wierzba, "Theory and application of semi-indefinite networks," IEE Proceedings, Vol. 129, Part G, pp. 285-290, December 1982.

G.M. Wierzba and D.P. Brown, "Linearly variable networks, II. Synthesis," Journal of the Franklin Inst., Vol. 309, pp. 439-456, June 1980.

G.M. Wierzba and D.P. Brown, "Linearly variable networks: I. Analysis" Journal of the Franklin Inst., Vol. 309, pp. 227-239, April 1980.

Technical Reports

G.M. Wierzba, "Current Regulator," Lumen LLC, Lansing, MI, October 2002.

G.M. Wierzba, "PSpice Macromodel for Very Long Unshielded Twisted-Pair Cables, " Amati Communications Corporation, San Jose, CA, June 1998.

G.M. Wierzba, "J1850 Bus Transceiver IC Evaluation and Verification," Chrysler Corporation, Auburn Hills, MI, July 1995.

G.M. Wierzba, " LTC485 Transceiver and Cable Macromodel," Honeywell Inc, Arlington Heights Il, August 1993.

K.V. Noren, G.M. Wierzba and C.W. Raney, "Development of a Temperature Dependent Macromodel for the SG137 Adjustable Voltage Regulator," SAND93-7032 Sandia National Labs, Albuquerque, NM, April 1993.

K.V. Noren, G.M. Wierzba and C.W. Raney, "Development of a Temperature Dependent Macromodel for the SG7915 Voltage Regulator," SAND93-7030 Sandia National Labs, Albuquerque, NM, March 1993.

K.V. Noren, G.M. Wierzba and C.W. Raney, "Development of a Temperature Dependent SPICE Macromodel for the Programmable CA3085 Voltage Regulator," SAND93-7023 Sandia National Labs, Albuquerque, NM, February 1993.

K.V. Noren, G.M. Wierzba and C.W. Raney, "Development of a Temperature Dependent SG78XX SPICE Voltage Regulator Macromodel," SAND93-7020 Sandia National Labs, Albuquerque, NM, February 1993.

K.V. Noren, G.M. Wierzba and C.W. Raney, "Development of a Temperature Dependent UA723 SPICE Voltage Regulator Macromodel," SAND93-7006 Sandia National Labs, Albuquerque, NM, February 1993.

G.M. Wierzba and C.W Raney, "Development of a SPICE Voltage Regulator Macromodel," Sandia National Labs Report SAND90-7108, Albuquerque, NM, Dec. 1990.

G.M. Wierzba, "Research Initiation: Synthesis of Temperature Compensated and Temperature Sensing Networks," National Science Foundation, Washington DC, December 1983.

Conferences

G.M. Wierzba, "Analysis and Design Algorithms for a Getreu Comparator Macromodel," Invited Paper, Proc. of the 36th Midwest Symposium on Circuits and Systems, Detroit MI, pp. 1358-1361, August 1993.

G.M. Wierzba, "A Programmable Boyle Op-Amp Macromodel," Invited Paper, Proc. of the 35th Midwest Symposium on Circuits and Systems, Washington DC, pp. 1564-1567, August 1992.

K.V. Noren and G.M. Wierzba, "A SPICE Macromodel for a CA3085 Adjustable Voltage Regulator," Invited Paper, Proc. of the 35th Midwest Symposium on Circuits and Systems, Washington DC, pp. 1552-1555, August 1992.

J.A Svoboda and G.M. Wierzba, "Using PSpice to Determine the Relative Stability of RC Active Filters," Invited paper, Proc. of the 35th Midwest Symposium on Circuits and Systems, Washington DC, pp. 1102-1105, August 1992.

S-M. Chang J.F. MacKay and G.M. Wierzba, "Matrix Reduction and Numerical Approximation During Computation Techniques for Symbolic Analog Circuit Analysis," Invited Paper, IEEE International Symposium on Circuits and Systems, San Diego CA, pp. 1153-1156, May 1992.

G.M. Wierzba and K.V. Noren, "A SPICE Macromodel for an Adjustable Positive Voltage Regulator," Invited Paper, Proc. of the 34th Midwest Symposium on Circuits and Systems, Monterey CA, pp. 610-614, May 1991.

S-M. Chang and G.M. Wierzba, "Symbolic Sensitivity Analysis Using Sspice," Invited Paper, 34th Midwest Symposium on Circuits and Systems, Monterey CA, pp. 1043-1046, May 1991.

A. Srivastava and G.M. Wierzba, "Symbolic Approximation of Analog Circuits Using Sspice," Invited Paper, 33rd Midwest Symposium on Circuits and Systems, Calgary Canada, pp. 603-607, August 1990.

G.M. Wierzba, V. Joshi, A. Srivastava, K.V. Noren and J.A. Svoboda, "Sspice -Symbolic SPICE for Linear Active Circuits," Invited Paper, Proc. of the 32nd Midwest Symposium on Circuits and Systems, Urbana IL, pp. 1197-1201, August 1989.

K.V. Noren, G.M. Wierzba, V. Joshi and J.A. Svoboda, "A comparison of relocated 4-op-amp KHN filters," Invited Paper, Proc. of the 31st Midwest Symposium on Circuits and Systems, St. Louis MO, pp. 685-688, August 1988.

J.A. Svoboda, J. Acka and G.M. Wierzba "Determining the stable circuits generated by op-amp relocation," Invited Paper, Proc. of the 30th Midwest Symposium on Circuits and Systems, Morgantown VA, pp. 627-630, August 1987.

S. Esmelioglu and G.M. Wierzba, "Improvements on the KHN filter," Proc. of the 29th Midwest Symposium on Circuits and Systems, Lincoln NE, pp 372-375, August 1986.

G.M. Wierzba and J.A. Svoboda, "An op-amp relocated bandpass filter with zero center frequency sensitivity to gain-bandwidth-product," Invited Paper, Proc. of the 29th Midwest Symposium on Circuits and Systems, Lincoln NE, pp. 28-32, August 1986.

J.A Svoboda, G.M. Wierzba and T. Reynolds, "Op-amp relocation: The complementary transformation and stability," Invited paper, Proc. of the 29th Midwest Symposium on Circuits and Systems, Lincoln NE, pp 33-36, August 1986.

G.M. Wierzba and J.A. Svoboda, "A comparison of circuits generated by op-amp relocation," Invited paper, Proc. of the 28th Midwest Symposium on Circuits and Systems, Louisville KY, pp. 800-804, August 1985.

G.M. Wierzba and S. Esmelioglu, "Techniques for designing enhanced-gain-bandwidth-product circuits" Invited paper, Proc. of the 26th Midwest Symposium on Circuits and Systems, Puebla Mexico, August 1983.

G.M. Wierzba and B.W. Knotts, "Synthesis of temperature variable transfer functions," Proc. of the IEEE International Symposium on Circuits and Systems, Newport Beach CA, pp. 1344-1347, May 1983.

S.Esmelioglu and G.M. Wierzba, "Operational amplifier feedback analysis using beta networks," Proc. of the 25th Midwest Symposium on Circuits and Systems, Houghton MI, pp. 489-493, August 1982.

G.M. Wierzba and B.W. Knotts, "Synthesis of temperature variable capacitors," Proc. of the IEEE International Symposium on Circuits and Systems, Rome Italy, pp. 194-197, May, 1982.

G.M. Wierzba and S.C. Stewart, "The theory and application of op-amp relocation, " Proc. of the 14th Southeastern Symposium on System Theory, Blacksburg VA, pp. 97-100, April 1982.

G.M. Wierzba and J.E. Nunez, "Techniques for temperature compensation using standard integrated circuit temperature converters, " Proc. of the 24th Midwest Symposium on Circuits and Systems, Albuquerque NM, pp. 564-568, June 1981.

G.M. Wierzba and J.E. Nunez, "Synthesis of temperature variable resistive networks using standard integrated circuits," Proc. of the 23rd Midwest Symposium on Circuits and Systems, Toledo OH, pp. 387-391, August 1980.