This appendix contains articles written by Sonnet authors or articles which directly impacted the analysis theory used by Sonnet. An extensive list of articles in which Sonnet was used as the analysis tool is available on Sonnet’s web site at www.sonnetsoftware.com. Search for “References.”

- Allen F. Horn, John W. Reynolds, Patricia A. LaFrance, James C. Rautio, "Effect of conductor profile on the insertion loss, phase constant, and dispersion in thin high frequency transmission lines," DesignCon Best Paper Award, February 2010.
- James C. Rautio, "In Search of Maxwell," Microwave Journal, Vol. 49, No. 7, July 2006, pp. 76-88.
- Heng-Tung Hsu, James C. Rautio, and San-Wen Chang, "Novel Planar Wideband Omni-directional Quasi Log-Periodic Antenna," Asia-Pacific Microwave Conference 2005, Suzhou, China, December 4-7, 2005.
- James C. Rautio and Vladimir I. Okhmatovski, "Unification of Double-Delay and SOC Electromagnetic Deembedding," IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 9, September 2005, pp 2892 - 2898.
- James C. Rautio, "Applied numerical electromagnetic analysis for planar high-frequency circuits," Encyclopedia of RF and Microwave Design, Wiley, New York, Vol. 1, 2005, pp. 397-413.
- James C. Rautio, "Deembedding the Effect of a Local Ground Plane in Electromagnetic Analysis," IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 2, February 2005, pp. 770 - 776.
- James C. Rautio, "Comments on "On Deembedding of Port Discontinuities in Full-Wave CAD Models of Multiport Circuits"," IEEE Transactions on Microwave Theory and Techniques - Letters, Vol. 52, No. 10, October 2004, pp. 2448 - 2449.
- James C. Rautio, "A Space-Mapped Model of Thick, Tightly Coupled Conductors for Planar Electromagnetic Analysis," IEEE Microwave Magazine, Vol. 5, No. 3, September 2004, pp. 62 - 72.James C. Rautio, “Accurate and Efficient Analysis of Large Spiral Inductors with Thick Metal and Narrow Gaps Using Space Mapping,” IEEE MTT-S International Microwave Symposium, Workshop Notes & Short Courses - WFD-7, 6-11 June 2004.
- James C. Rautio, “In Defense of Uselessness,” IEEE Microwave Magazine, Vol. 5, No. 1, March 2004, pp. 100 - 102.
- James C. Rautio, “A Conformal Mesh for Efficient Planar Electromagnetic Analysis,” IEEE Transactions on Microwave Theory and Techniques, Vol. 52, No. 1, January 2004, pp. 257 - 264.
- David I. Sanderson, James C. Rautio, Robert A. Groves, and Sanjay Raman, “Accurate Modeling of Monolithic Inductors Using Conformal Meshing for Reduced Computation,” Microwave Magazine, Vol. 4, No. 4 December 2003, pp. 87 - 96.
- James C. Rautio, “Testing Limits of Algorithms Associated with High Frequency Planar Electromagnetic Analysis,” European Microwave Conference Digest, Munich, October 2003, pp. 463 - 466.
- Rautio, James C., “Generating Spectrally Rich Data Sets Using Adaptive Band Synthesis Interpolation,” Workshop WFA, IEEE MTT Symposium Digest, Philadelphia, June 8 - 13, 2003.
- James C. Rautio, “Conformal Subsections for Accurate EM Analysis,” Microwave Journal, Vol. 46, No. 6, June 2003, pp. 116 - 120.
- James C. Rautio and Veysel Demir, “Microstrip Conductor Loss Models for Electromagnetic Analysis,” IEEE Transactions on Microwave Theory and Techniques, Vol. 51, No. 3, March 2003, pp. 915 - 921.
- James C. Rautio, “Electromagnetic Analysis Speeds RFID Design,” Microwaves & RF, Vol. 42, No. 2, February 2003, pp. 55 - 62.
- James C. Rautio, “EM Approach Sets New Speed Records,” Microwaves & RF, Vol. 41, No. 5, May 2002, pp. 81 - 96.
- James C. Rautio, Shawn Carpenter, et. al., “CAD/EDA virtual panel discussion,” Microwave Engineering, May 2002, pp. 15 - 25.
- Shawn Carpenter, “Analysis and Optimization of a Compact CPW Filter Using Planar EM Software,” MIcrowave Product Digest, October 2001, pp. 10-14, 28, 50.
- James C. Rautio, “Making Practical High Frequency Electromagnetic Simulators-- Past, Present, and Future,” IEICE Transactions on Electronics, Vol. E84-c, No. 7, July 2001, pp. 855-860.
- J. C. Rautio, “An Investigation of Microstrip Conductor Loss,” IEEE Microwave Magazine, Volume 1, Number 4, December 2000, pp. 60-67.
- Shawn Carpenter, “Break and Interpolate Technique: A Strategy for Fast EM Simulation of Planar Filters,” Microwave Project Digest, October 2000, pp. 18 - 27, 56 - 58.
- James C. Rautio, “The Impact on Education of Widely Available Commercial 3-D Planar Electromagnetic Software,” Computer Applications in Engineering Education, Vol. 8, No. 2, September 2000, pp. 51 - 60.
- G. L. Matthaei, J. C. Rautio, and B. A. Willemsen, “Concerning the influence of housing dimensions on the response and design of microstrip filters with parallel-line couplings,” IEEE MTT Transactions, Vol. 48, August 2000, pp. 1361 –1368.
- James C. Rautio, “Tips and Tricks for Using Sonnet Lite - Free EM software will radically change the way you do high frequency design,” Microwave Product Digest, November 1999, pp. 30 - 34, 67 - 70.
- James C. Rautio, “An Investigation of Microstrip Conductor Loss,” IEEE MTT Magazine, December 2000, pp. 60-67. This article is available in the Support Section of the Sonnet website, www.sonnetsoftware.com.
- Shawn Carpenter, “Break and Interpolate Technique: A Strategy for Fast EM Simulation of Planar Filters,” Microwave Project Digest, October 2000, pp. 18 - 27, 56 - 58.
- James C. Rautio, “The Impact on Education of Widely Available Commercial 3-D Planar Electromagnetic Software,” Computer Applications in Engineering Education, Vol. 8, No. 2, September 2000, pp. 51 - 60.
- James C. Rautio, “Free EM Software Analyzes Spiral Inductor on Silicon,” Microwaves & RF, September 1999, pp. 165 - 172.
- Takashi MIURA, Hideki NAKANO, Kohji KOSHIJI and Eimei SHU, “Reduction of time required for electromagnetic analysis by dividing circuit,” Faculty of Science and Technology, Science University of Tokyo, Japan Institute of Electronics Packaging, pp.79-80, Mar. 1999. (Article in Japanese)
- James C. Rautio, “Tips and Tricks for Using Sonnet Lite - Free EM software will radically change the way you do high frequency design,” Microwave Product Digest, November 1999, pp. 30 - 34, 67 - 70.
- James C. Rautio, “EM Simulation,” 1999 IEEE MTT-S International Microwave Symposium, Microwave and Millimeter-Wave Design Tool Applications Workshop, Anaheim, CA, June 13, 1999.
- James C. Rautio, “Application of Electromagnetic Analysis Software to 3-D Planar High Frequency Design”, International Multilayer Circuits Symposium (IMCS), March 1999, pp. B2-1 - B2-17.
- Shigeki Nakamura, “Top Interview: Electromagnetic Analysis is not Difficult - Big Rush to Install PC Version,” Electronic Products Digest, Vol. 16, No. 1, January 1999, page 48. (Japanese Article)
- James C. Rautio, “Comments on ‘Revisiting Characteristic Impedance and Its Definition of Microstrip Line with a Self-Calibrated 3-D MoM Scheme,’” IEEE Transactions on Microwave Theory and Techniques, Vol. 47, No. 1, January 1999, pp. 115 - 117.
- James C. Rautio and George Matthaei, “Tracking Error Sources in HTS Filter Simulations,” Microwaves and RF, Vol. 37, No. 13, December 1998, pp. 119 - 130.
- J.C. Rautio, “-Electromagnetic Analysis for Microwave Applications,” Computational Electromagnetics and Its Applications, Vol. 5, Boston: Kluwer Academic Publishers, 1997, pp. 80-96.
- Yasumasa Noguchi, Shin-ichi Nakao, Hideaki Fujimoto and Nobuo Okamoto, “Characteristics of Shielded Coplanar Waveguides on Multilayer Substrates,” Electronic Information and Communications University Meeting, Electronics Society Conference, June 29, 1998. (Japanese Article)
- Erik H. Lenzing and James C. Rautio, “A Model for Discretization Error in Electromagnetic Analysis of Capacitors,” IEEE Transactions on Microwave Theory and Techniques, Vol. 46, No. 2, February 1998, pp. 162-166.
- J. C. Rautio, “Retracing Key Moments In the Life of Maxwell,” Microwaves & RF,” Vol. 36, No. 11, November 1997, pp. 35-51.
- J. C. Rautio, “Electromagnetic Analysis for Microwave Applications,” NASA CEM (Computational Electromagnetics) Workshop, Newport News, VA, May 1996.
- J. C. Rautio, “Seven Years Later,” Applied Microwave and Wireless, November/December 1996, pp. 99-100.
- J. C. Rautio, “Questionable Reviews,” The Institute (IEEE newspaper), Jan. 1996, pg. 11.
- J. C. Rautio, “An Investigation of an Error Cancellation Mechanism with Respect to Subsectional Electromagnetic Analysis Validation,” International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering, Vol. 6, No. 6, November 1996, pp. 430-435.
- J. C. Rautio, “The Microwave Point of View on Software Validation,” IEEE Antennas and Propagation Magazine, Vol. 38, No. 2, April 1996, pp. 68-71.
- J. C. Rautio and Hiroaki Kogure, “EMI Applications Of The Electromagnetic Analysis By The Method Of Moments-Electromagnetic Analysis Applied To Analog And Digital PCB Design,” JPCA Show 96 Text: Today and Tomorrow of EMI Design, pp. 11-19.
- J. C. Rautio, “EM-Analysis Error Impacts Microwave Designs,” Microwaves and RF, September 1996, pp. 134-144.
- James R. Willhite, “Turning Clean Theory into Reality,” Wireless Design and Development, March 1996, Vol. 4, No. 3, pp. 19-20.
- J. C. Rautio, “Response #2. Comments on Zeland's Standard Stripline Benchmark Results - MIC Simulation Column,” International Journal of Microwave and Millimeter- Wave Computer-Aided Engineering, Vol. 5, No. 6, November 1995, pp. 415-417.
- J. C. Rautio, “EMI Analysis from a Wireless Telecommunication and RF Perspective,” Proceedings of the 1995 Nepcon West Conference, Anaheim, CA, USA, pp. 749-755.
- J. C. Rautio and Hiroaki Kogure, “An Overview of the Sonnet Electromagnetic Analysis,” Proceedings of the 1994 IEICE Fall Conference, Tokyo, pp. 325-326.
- J. C. Rautio, “An Ultra-High Precision Benchmark For Validation Of Planar Electromagnetic Analyses,” IEEE Tran. Microwave Theory Tech., Vol. 42, No. 11, Nov. 1994, pp. 2046-2050.
- J. C. Rautio, “A Precise Benchmark for Numerical Validation,” IEEE International Microwave Symposium, Workshop WSMK Digest, Atlanta, June 1993.
- “Comparison of Strategies for Analysis of Diagonal Structures,” Sonnet Application Note 51-02.
- J. C. Rautio, “MIC Simulation Column - A Standard Stripline Benchmark,” International Journal of Microwave & Millimeter-Wave Computer-Aided Engineering, Vol. 4, No. 2, April 1994, pp. 209-212.
- J. C. Rautio, “Response #3. Standard Stripline Benchmark - MIC Simulation Column,” International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering, Vol. 5, No. 5, September 1995, pp. 365-367.
- J. C. Rautio, “Some Comments on Approximating Radiation,” International Journal of Microwave and Millimeter-Wave Computer-Aided Engineering, Vol. 4, No. 2, 1994, pp. 454-457.
- J. C. Rautio, “Synthesis of Lumped Models from N-Port Scattering Parameter Data,” IEEE Tran. Microwave Theory Tech., Vol. 42, No. 3, March 1994, pp. 535-537.
- J. C. Rautio, “Educational Use of a Microwave Electromagnetic Analysis of 3-D Planar Structures,” Computer Applications in Engineering Education, Vol. 1, No. 3, 1993, pp. 243-254.
- J. C. Rautio, “Characterization of Electromagnetic Software,” 42nd ARFTG Conference Digest, San Jose, CA, Dec. 1993, pp. 81-86.
- J. C. Rautio, “Some Comments on Electromagnetic De-Embedding and Microstrip Characteristic Impedance” International Journal of Microwave & Millimeter-Wave Computer-Aided Engineering, Vol. 3, No. 2, April 1993, pp. 151-153.
- J. C. Rautio, “Some Comments on Electromagnetic Dimensionality,” IEEE MTT-S Newsletter, Winter 1992, pg. 23.
- J. C. Rautio, “Sonnet Software Reveals Tangential Fields,” EEsof Wavelengths, Vol. 9, No. 1, March 1993, pg. 12.
- J. C. Rautio, “Sonnet Introduces Antenna Pattern Visualization in New Release,” EEsof Wavelengths, Vol. 9, No. 2, June 1993, pg. 21.
- J. C. Rautio, “EEsof Joins Forces With Sonnet Software,” EEsof Wavelengths, Vol. 8, No. 3, Sept. 1992, pg. 14.
- J. C. Rautio, “Electromagnetic Design of Passive Structures - Emerging Technology in Microwave CAD,” IEEE MTT-S Newsletter, Fall 1990, pp. 21-22.
- J. C. Rautio, “Electromagnetic Microwave Design,” RF/Microwave Applications Conference, Santa Clara, CA, March 1992, pp. 105-109.
- J. C. Rautio, “Experimental Validation of Microwave Software,” IEEE International Microwave Symposium, Panel Session PSB Digest, Albuquerque, June 1992.
- J. C. Rautio, “Current Developments in 3-D Planar Microwave Electromagnetics,” Microwave Hybrid Circuits Conference, Oct. 1991, Arizona.
- J. C. Rautio, “Current Developments in 3-D Planar Microwave Electromagnetics,” Microwave Hybrid Circuits Conference, Oct. 1992, Arizona.
- J. C. Rautio, “Current Developments in 3-D Planar Microwave Electromagnetics,” Microwave Hybrid Circuits Conference, Oct. 1993, Arizona.
- J. C. Rautio, “Current Developments in 3-D Planar Microwave Electromagnetics,” Microwave Hybrid Circuits Conference, Oct. 1994, Arizona.
- J. C. Rautio, “Experimental Validation of Electromagnetic Software,” International Journal of Microwave & Millimeter-Wave Computer-Aided Engineering, Vol. 1, No. 4, Oct. 1991, pp. 379-385.
- J. C. Rautio, “Electromagnetic Microwave Analysis,” IEEE International Microwave Symposium, Workshop WSA Digest, Albuquerque, June 1992.
- J. C. Rautio, “EM Visualization Assists Designers,” Microwaves and RF, Nov. 1991, pp. 102-106.
- J. C. Rautio, “Reviewing Available EM Simulation Tools,” Microwaves & RF, June 1991, pp. 16A-20A.
- “Generating Spice Files Using the em Electromagnetic Analysis,” Sonnet Application Note 104a, Dec. 1998.
- J. C. Rautio, “A New Definition of Characteristic Impedance,” MTT International Symposium Digest, June 1991, Boston, pp. 761-764.
- J. C. Rautio, “A De-Embedding Algorithm for Electromagnetics,” International Journal of Microwave & Millimeter-Wave Computer-Aided Engineering, Vol.1, No. 3, July 1991, pp. 282-287.
- J. C. Rautio, “Triangle Cells in an Electromagnetic Analysis of Arbitrary Microstrip Circuits,” MTT International Microwave Symposium Digest, Dallas, June 1990, pp. 701-704.
- J. C. Rautio, “Experimental Validation of Microwave Software,” 35th ARFTG Conference Digest, Dallas, May 1990, pp. 58-68. (Voted best paper at the conference.)
- J. C. Rautio, “Preliminary Results of a Time-Harmonic Electromagnetic Analysis of Shielded Microstrip Circuits,” 27th ARFTG Conference Digest, Dallas, Dec. 1986. (Voted best paper at the conference.)
- J. C. Rautio, “An Experimental Investigation of the Microstrip Step Discontinuity,” IEEE Tran. Microwave Theory Tech., Vol. MTT-37, Nov. 1989, pp. 1816-1818.
- J. C. Rautio, “A Possible Source of Error in On-Wafer Calibration,” 34th ARFTG Conference, Ft. Lauderdale, FL, Dec. 1989, pp. 118-126.
- J. C. Rautio, “Microstrip Program Improves Accuracy of Circuit Models,” Microwaves & RF, Vol. 27, No. 12, pp. 89-96, Nov. 1988.
- J. C. Rautio, “Reflection Coefficient Analysis of the Effect of Ground on Antenna Patterns,” IEEE Antennas and Propagation Society Newsletter, Feb. 87, pp. 5-11.
- J. C. Rautio and R. F. Harrington, “An Electromagnetic Time-Harmonic Analysis of Shielded Microstrip Circuits,” IEEE Trans. Microwave Theory Tech., Vol. MTT-35, pp. 726-730, Aug. 1987.
- J. C. Rautio and R. F. Harrington, “An Efficient Electromagnetic Analysis of Arbitrary Microstrip Circuits,” MTT International Microwave Symposium Digest, Las Vegas, June 1987, pp. 295-298.
- J. C. Rautio and R. F. Harrington, “Results and Experimental Verification of an Electromagnetic Analysis of Microstrip Circuits,” Trans. of The Society for Computer Simulation, Vol. 4, No. 2, pp. 125-156, Apr. 1987.
- J. C. Rautio, “A Time-Harmonic Electromagnetic Analysis of Shielded Microstrip Circuits,” Ph.D. Dissertation, Syracuse University, Syracuse, NY, 1986.
- J. C. Rautio, “Preliminary Results of a Time-Harmonic Electromagnetic Analysis of Shielded Microstrip Circuits,” ARFTG Conference Digest, Baltimore, pp. 121-134, June 1986. (Voted best paper at the conference.)
- J. C. Rautio, “Techniques for Correcting Scattering Parameter Data of an Imperfectly Terminated Multiport When Measured with a Two-Port Network Analyzer,” IEEE Trans. Microwave Theory Tech., Vol. MTT-31, May 1983, pp. 407-412.
- R. Horton, B. Easter, A. Gopinath, "Variation of Microstrip Losses with Thickness of Strip", Electronics Letters, 26th August 1971, Vol. 7, No.17, pp.490-481.
- R. F. Harrington, Time-Harmonic Electromagnetic Fields, New York: McGraw-Hill, 1961, section 8-11, pg. 8.