Formerly the power electronics consulting company of Rudy Severns, Springtime Enterprises now hosts the books and papers authored by Rudy Severns.
Severns, Rudy, Snubber Circuits for Power Electronics, ebook in PDF format, 346 pp., April, 2008
Severns, R. P., and G. Bloom, Modern DC-DC Switchmode Power Conversion Circuits, New York : Van Nostrand Reinhold Co., c 1985. xvii, 342 p. : ill. ; 24 cm. ISBN: 0442213964, LC Control Number: 84-12026, TK7868.P6 S47 1985 (out-of-print)
Severns, R., and J. Armijos, (editors) MOSPOWER Applications, Siliconix Inc., 1984. Siliconix Inc., 2202 Lourelwood Road, Santa Clara, CA 95045, (408) 988-8000. (out-of-print)
[1] Coelle, Severns and Turner, CROSSING HIGH VOLTAGE INTERFACES WITH LARGE BANDWIDTH SIGNALS, IEEE Particle Accelerator Conference Proceedings, Washington DC 1967
[2] Severns, HIGH VOLTAGE SUPPLIES, 24th Power Sources Symposium Proceedings, May 1970, Atlantic City, NJ
[3] Severns, USER PERFORMANCE REQUIREMENTS FOR MINI-COMPUTER POWER SUPPLIES, 1976 WESCON Professional Program, Session 2
[4] Severns and Sommers, DESIGN OF HIGH EFFICIENCY OFF-LINE CONVERTERS ABOVE 100 kHz, Proceedings of PowerCon 5, May 1978, pages G2-1 through G2-7
[5] Severns, HIGH FREQUENCY SWITCHING REGULATOR TECHNIQUES, IEEE Power Electronics Specialists Conference (PESC) record, June 1978
[6] Severns, A NEW IMPROVED AND SIMPLIFIED PROPORTIONAL BASE DRIVE CIRCUIT, Proceedings of PowerCon 6, May 1979, pages B2-1 through B2-11
[7] Severns, A NEW CURRENT FED CONVERTER TOPOLOGY, IEEE PESC record, June 1979, San Diego
[8] Severns, TECHNIQUES FOR DESIGNING NEW TYPES OF SWITCHING REGULATORS, Power conversion International Conference (PCI) record, September 1979, Munich
[9] Severns, THE POWER MOSFET, A BREAKTHROUGH IN POWER DEVICE TECHNOLOGY, Intersil Applications note A033, January 1980
[10] Severns, MOVING FROM 20 kHz TO OVER 200 kHz OPERATIONS PUTS MORE PUNCH IN SWITCHER PERFORMANCE, Electronic Design, Vol. 2, January 18, 1980, pages 74-78
[11] Severns, SWITCHMODE CONVERTERS ABOVE 100 kHz, Intersil applications note A034, February 1980
[12] Severns, SWITCHMODE TOPOLOGIES - MAKE THEM WORK FOR YOU, Intersil applications note A035, February 1980
[13] Severns, COMPONENT SELECTION WEIGHS HEAVILY IN HIGH FREQUENCY SUPPLIES, Electronic Design, Vol. 3, February 1, 1980, pages 85-88
[14] Severns, POWER MOSFETS TAKE AIM AT SWITCHING SUPPLIES, Electronic Products, March 1980, pages 75-78
[15] Severns, CAPACITORS AND INDUCTORS LEAD THE WAY TO COMPACT, HIGH FREQUENCY SWITCHERS, Electronic Design, Vol. 5, March 1, 1980
[16] Severns, HIGH FREQUENCY SWITCHES GET THE NOD WHEN TOP PERFORMANCE COUNTS MOST, Electronic Design, Vol. 7, March 29, 1980
[17] Severns, THE POWER MOSFET AS A RECTIFIER, PCI magazine, March/April 1980, pages 49-50
[18] Severns, USING THE POWER MOSFET AS A SWITCH, Intersil applications note A036, May 1980
[19] Severns, MOSFETS RISE TO NEW LEVELS OF POWER, Electronics, May 22, 1980
[20] Severns, THE EFFECT OF SECONDARY LEAKAGE AND RECTIFIER CONNECTION INDUCTANCE ON THE OUTPUT REGULATION IN SWITCHING REGULATORS, International Power Conversion Society newsletter, Summer 1980
[21] Bloom and Severns, UNUSUAL DC-DC POWER CONVERSION SYSTEMS, 1980 MIDCON professional program
[22] Severns, SWITCHMODE AND RESONANTCONVERTER CIRCUITS, International Rectifier Corp. applications note, March 1981
[23] Severns, SIMPLIFIED HEXFET POWER DISSIPATION AND JUNCTION TEMPERATURE CALCULATION SPEEDS HEAT SINK DESIGN, MOTORCON 1981, May, paper 5A.3
[24] Severns, dV/dt EFFECTS IN MOSFET AND BIPOLAR JUNCTION TRANSISTOR SWITCHES, IEEE PESC record, June 1981, pages 258-264
[25] Severns, SIMPLIFIED HEXFET POWER DISSIPATION CALCULATION, International Rectifier Corp., applications note 942, June 1981
[26] Blanchard and Severns, DESIGNING SWITCHED, MODE POWER CONVERTERS FOR VERY LOW TEMPERATURE OPERATION, PowerCon 10, 1983 section D2
[27] Severns, SAFE OPERATING AREA AND THERMAL DESIGN FOR MOSPOWER TRANSISTORS, Siliconix applications note AN83-10, November 1983
[28] Severns, SWITCHMODE POWER SUPPLY DESIGN USING A PERSONAL COMPUTER, PCI magazine, Nov/Dec 1983, page 39
[29] Bloom and Severns, MODERN DC TO DC SWITCHMODE POWER CONVERTER CIRCUITS, Van Nostrand Rheinhold, 1984
[30] Blanchard and Severns, MOSFETS MOVE IN ON LOW VOLTAGE RECTIFICATION, Siliconix applications note TA84-2, 1984
[31A] Bloom and Severns, THE GENERALIZED USE OF INTEGRATED MAGNETICS AND ZERO-RIPPLE TECHNIQUES IN SWITCHMODE POWER CONVERTERS, IEEE PESC84 proceedings, June 1984, pp. 15-33
[31] Bloom and Severns, MAGNETIC INTEGRATION METHODS FOR TRANSFORMER ISOLATED BUCK AND BOOST DC-DC CONVERTERS, PowerCon 11, 1984
[32] Blanchard and Severns, CONCEPTION D'UNE ALIMENTATION A DE'COUPAGE POUR FONCTIONNEMENT A ULTRA-BASSE TEMPERATURE, Electronique De Puissance-3, France, February 1984, pages 48-55
[33] Severns, dVds/dt TURN-ON IN POWER MOSFETS, Siliconix applications note TA84-4, April 1984
[34] Severns, MOSFETS AND RADIATION ENVIRONMENTS, Siliconix applications note TA84-3, April 1984
[35] Blanchard and Severns, PRACTICAL SYNCHRONOUS RECTIFICATION USING MOSFETS, PowerCon 11, April 1984, withdrawn
[36] Blanchard and Severns, REDRESSEMENT SYNCHRONISE UTILISANT DES MOSFETS, Electronique De Puissance-4, France, April 1984
[37] Severns, PARALLEL OPERATION OF POWER MOSFETS, Siliconix applications note TA84-5, June 1984
[38] Bloom and Severns, THE GENERALIZED USE OF INTEGRATED MAGNETICS AND ZERO RIPPLE TECHNIQUES IN SWITCHMODE POWER CONVERTERS, IEEE PESC record, June 1984
[39] Blanchard and Severns, MOSFETS, SCHOTTKY DIODES VIE FOR LOW VOLTAGE SUPPLY DESIGNS, EDN magazine, June 28, 1984, pages 197-205
[40] Corbett and Severns, POWER ELECTRONICS IN SPACE - A REVIEW AND PROJECTION, IEEE AESS Transactions, July 1984
[41] Severns, ANALYZING THERMAL STABILITY IN MOSPOWER TRANSISTORS, New Electronics magazine, UK, October 30 and November 13, pages 114-121
[42] Severns, AVOIDING SPURIOUS MOSFET TURN-ON, Electronic Engineering magazine, UK, November 1984, pages 51-57
[43] Severns (editor), MOSPOWER APPLICATIONS HANDBOOK, Siliconix Inc., 1984
[44] Severns, AVOIDING dV/dt TURN-ON IN POWER MOSFETS, Electronic Products magazine, January 15, 1985, pages 89-94
[45] Severns, REVERSE RECOVERY AND MODE 3 dV/dt TURN-ON IN MOSFETS, Electro '85 technical paper, April 1985
[46] Severns, PARALLEL OPERATION OF MOSFETS IN DC-DC CONVERTERS, Power Technics magazine, June 1985, pages 16-20
[47] Blanchard and Severns, THE USE OF MOSFETS IN HIGH DOSE RATE ENVIRONMENTS, IEEE Applied Power Electronics Conference (APEC) proceeding, April 1986, pages 8-12
[48] Cogan, Fortier and Severns, A HIGH EFFICIENCY MOSFET USED AS A CONTROL ELEMENT IN AN 800 V SWITCH, IEEE APEC proceedings, April 1986, pages 35-40
[49] Severns, IMPROVING AND SIMPLIFYING HF DC CURRENT SENSORS, IEEE APEC proceedings, April 1986, pages 180-183
[50] Blanchard, Cogan, Fortier and Severns, SPECIAL FEATURES OF POWER MOSFETS IN HIGH FREQUENCY SWITCHING CIRCUITS, High Frequency Power Converter Conference (HFPC) proceedings, May 1986, pages 133-148
[51] Severns, NEW TOPOLOGIES FOR DC-AC POLYPHASE PWM INVERTERS, Power Electronics Conference (PEC) proceedings, February 1988
[52] Severns, SUPERCONDUCTIVITY AND LOW TEMPERATURE POWER CONVERTERS, Power Technics magazine, April 1988, pages 32-34
[53] Severns, GENERALIZED TOPOLOGIES FOR CONVERTERS WITH REACTIVE ENERGY STORAGE, IEEE IAS conference record, October 1989, pages 1145-1151
[54] Severns, TOPOLOGIES FOR THREE ELEMENT RESONANT CONVERTERS, IEEE APEC conference record, 1990
[55] Severns, HIGH FREQUENCY CONVERTERS WITH NON PULSATING INPUT AND OUTPUT CURRENTS, HFPC '90 conference record, 1990
[56] Severns, HF CORE LOSSES FOR NON-SINUSOIDAL WAVEFORMS, HFPC '91 conference record, Toronto, 1991
[57] Severns, A SIMPLE, GENERAL METHOD FOR CALCULATING HF WINDING LOSSES FOR ARBITRARY CURRENT WAVEFORMS, HFPC '91, Toronto, 1991
[58] Severns, TOPOLOGIES FOR THREE ELEMENT RESONANT CONVERTERS, IEEE Transactions on Power Electronics, Vol. 7, Number 1, January 1992, pp. 89-98
[59] Severns, ADDITIONAL LOSSES IN HIGH FREQUENCY MAGNETICS DUE TO NON IDEAL FIELD DISTRIBUTIONS, IEEE APEC'92, February 1992, Boston
[60] Batarseh and Severns, RESONANT CONVERTER TOPOLOGIES WITH THREE AND FOUR ENERGY STORAGE ELEMENTS, High Frequency Power Conversion conference, May 1992
[61] Severns and Wittlinger, HIGH FREQUENCY POWER CONVERTERS, Harris Semiconductor applications note AN9208
[62] Severns, R., FINITE ELEMENT ANALYSIS IMPROVES ACCURACY OF HIGH FREQUENCY POWER CONVERTER MAGNETICS CALCULATIONS, PCIM magazine, April 1993, pp. 27-29
[63] Severns, R., SOFTWARE CALCULATES HIGH-FREQUENCY WINDING LOSSES, EDN magazine, April 15, 1993, pp. 304-306
[64] Severns, R., FINITE ELEMENT ANALYSIS IN POWER CONVERTER DESIGN, IEEE APEC'94 conference record, February 1994, pp. 3-9
[65] Severns, R., N6LF, AN IMPROVED DOUBLE EXTENDED ZEPP, American Radio Relay League (ARRL), Antenna Compendium, Vol. 4, 1995, pp. 78-80
[66] Severns, R., N6LF, A WIDEBAND 80-METER DIPOLE, QST magazine (ARRL), July 1995, pp. 27-29
[67] Severns, Yeow, Woody, Hall and Hayes, AN ULTRA-COMPACT TRANSFORMER FOR A 100 W TO 120kW INDUCTIVE COUPLER FOR ELECTRIC VEHICLE BATTERY CHARGING, IEEE APEC 96 proceedings, March 1996
[68] Severns, R., N6LF, USING THE HALF-SQUARE ANTENNA FOR LOW BAND DXING, ARRL Antenna Compendium, Vol. 5, 1996
[69] Severns, R., N6LF, BROADBANDING THE HALF-SQUARE ANTENNA FOR 80 M DXING, ARRL Antenna Compendium, Vol. 5, 1996
[70] Severns, R., CIRCUIT REINVENTION IN POWER ELECTRONICS AND IDENTIFICATION OF PRIOR WORK, IEEE APEC conf. record, February 1997, pp. 3-9
[71] Sandler, Steven M., SMPS SIMULATION WITH SPICE 3, McGraw-Hill, New York, 1997, R. Severns, contributing author for magnetics modeling chapter
[72] Straw, Dean, THE ARRL ANTENNA BOOK, 18th edition, American Radio Relay League, May 1997, R. Severns contributing editor chapters 4, 6 and 16
[73] Severns, R., THE LAZY-H VERTICAL, Communications Quarterly, Spring 1997, pp.31-40
[74] Severns, R., ADVANTAGES OF AN ALTERNATIVE VIEWPOINT WHEN DESIGNING HF VERTICAL FOR 80 AND 160 M, Applied Computational Electromagnetics Society proceedings of the annual meeting, March 1998
[75] Severns, R., ANOTHER WAY TO LOOK AT VERTICAL ANTENNAS, ARRL QEX magazine March/April 1999, pp. 3-8
[76] Severns, R., MONSTER QUADS, ARRL Antenna Compendium 6, 1999, pp. 113-118
[77] Severns, R., SHORT RADIALS FOR GROUND-PLANE ANTENNAS, ARRL Antenna Compendium 6, 1999, pp. 212-215
[78] Severns, R., VERTICALS, GROUND SYSTEMS AND SOME HISTORY, QST magazine, ARRL, July 2000, pp. 38-44
[79] Severns, R., THE HISTORY OF THE FORWARD CONVERTER, Switching Power Magazine, July 2000, Volume 1, issue 1, pp. 20-22
[80] Severns, R., N6LF, ANTENNAS WITH GAIN AND BANDWIDTH FOR 80 AND 160 m, National Contest Journal, Vol. 28, No. 5, ARRL, Sept/Oct 2000, pp. 14-16
[81] Severns, R., CONDUCTORS FOR HF ANTENNAS, QEX magazine, ARRL, Nov/Dec 2000, pp. 20-29
[82] Severns, R., CIRCUIT REINVENTION IN POWER ELECTRONICS AND IDENTIFICATION OF PRIOR WORK, IEEE transactions on Power Electronics, Vol. 16, No. 1, January 2001, pp. 1-7
[83] Severns, R., HISTORY OF SOFT SWITCHING, Switching Power Magazine, January 2001, Vol. 2, No. 1, pp. 18-20
[84] Severns, R., HISTORY OF SOFT SWITCHING, part II, Switching Power Magazine, Fall 2001, Vol. 2, No. 4, pp. 12-15
[85] Severns, R., RESISTANCE OF FOIL CONDUCTORS FOR ANTENNAS, QEX magazine, May/June 2002, Tech Notes, pp. 55-56
[86] Severns, R., N6LF, SINGLE SUPPORT GAIN ANTENNAS FOR 80 AND 160 METERS, National Contest Journal (NCJ), ARRL, Vol. 31, No. 2, Mar/Apr 2003, pp. 12-17
[87] Severns, R., GETTING THE MOST FROM HALF-WAVE SLOPER ARRAYS, QEX magazine, Jan/Feb 2004, pp. 32-41
Contact Information: nospamrseverns@kagi.com (Remove nospam from front of email.)