Thomas Henry

Thomas Henry of Mankato, MN, USA is the respected author of many electro-music designs with works appearing in books and publications such as Electronotes, Polyphony, Radio-Electronics, Nuts & Volts etc.

Biography
He helped form and played guitar with the East Side Pharaohs for around eighteen years. Becoming interested in guitar effects and electronic music synthesizers, in 1981 he took a job as an Audio Specialist at the School of Music, University of Iowa and started building an analog synth. He later finished a MA. in mathematics, and then taught both mathematics and computing at colleges and universities in Minnesota, USA. Together with Jerry Hagen he founded Midwest Analog Products, which he closed in 2005 to teach full-time. He retired in 2013.

Books

 * Build a Better Music Synthesizer, Tab Books, 1987, ISBN 0-8306-0255-0
 * The PICAXE 18M2 Cookbook, Lulu.com
 * An Analog Synthesizer for the 21st Century, Lulu.com, 2012, ASIN B009AOMJSI
 * The Electronic Drum Cookbook, Lulu.com
 * Making Music with the 3080 OTA, Lulu.com
 * Making Music with the 566, Lulu.com
 * Making Music with the NE570 Compander, Lulu.com
 * The Noise Generator Cookbook, Lulu.com
 * The VCO Chip Cookbook, Lulu.com

=== Papers and articles ===
 * Case Histories: Procedures to Follow When Troubleshooting Effects, Device, Volume 1:4-79, pp. 13, 14, Electronic Music Circuits: The Reprints, Vol 1, pp. 7-8
 * Modifying the EH Electric Mistress, Device, Volume 1:5-79, pp. 1-3, 8, Electronic Music Circuits: The Reprints, Vol 1, pp. 9-12
 * Adding Series-Parallel to the EH Big Muff Pi Deluxe, Device, Volume 1:7-79, pp. 5-7, Electronic Music Circuits: The Reprints, Vol 1, pp. 13-15
 * Modification Tips / New Lamps for Old, Device, Volume 1:8-79, pp. 3, 4, Electronic Music Circuits: The Reprints, Vol 1, pp. 16-17
 * Build this Complementary Output LFO, Polyphony, September/October 1979, pp. 36, 37, electro-music.com wiki, Electronic Music Circuits: The Reprints, Vol 1, pp. 58-59
 * Electronic Music Circuit Design: Second Order Butterworth Filters, Device, Volume 1:10-79, pp. 11-13, Electronic Music Circuits: The Reprints, Vol 1, pp. 18-20
 * Stalking the SAD-1024, Device. Volume 1:12-79, pp. 1, 7, 16, Electronic Music Circuits: The Reprints, Vol 1, pp. 21-23
 * A Balanced Modulator Application of VCA Chips, Electronotes, Volume 12, Number 119, November 1980, p. 3-7, Electronic Music Circuits: The Reprints, Vol 1, pp. 24-28
 * Two Hints on Using the CEM-3340 VCO IC, Electronotes, Volume 13, Number 121, January 1981, pp. 13-16.
 * Making Rack Panels, Electronotes, Volume 13, Number 122, February 1981, pp. 5-9, Electronic Music Circuits: The Reprints, Vol 1, pp. 29-33
 * A Function Generator with 'Quadrature' Triangle Outputs, Electronotes, Volume 13, Number 122, February 1981, pp. 13-20, Electronic Music Circuits: The Reprints, Vol 1, pp. 34-41
 * Rhythm Generation: It's About Time..., Polyphony, March/April 1981, pp. 22-25, 32, Electronic Music Circuits: The Reprints, Vol 1, pp. 60-64
 * Tricks with the SN76477, part one, Polyphony, May/June 1981, pp. 10-12, Electronic Music Circuits: The Reprints, Vol 1, pp. 65-67
 * Tricks with the SN76477, part two, Polyphony, July/August 1981, pp. 16, 17, Electronic Music Circuits: The Reprints, Vol 1, pp. 68-69
 * More on the SN76477 - The Super Controller, Polyphony, September/October 1981, pp. 28-32, Electronic Music Circuits: The Reprints, Vol 1, pp. 70-74, Polyphony, 0702, Sept-Oct 1981
 * VCO Deluxe, Polyphony, November/December 1981, pp. 28, 29, 31, Electronic Music Circuits: The Reprints, Vol 1, pp. 76-78
 * Electronic-Music Generator Retriggers Waveforms, Electronics, November 30, 1981, p. 115, Electronic Music Generator Retriggers Waveforms Thomas Henry, Pro Audio Design Forum
 * VCA's: Think Simple, Polyphony, January/February 1982, pp. 16, 17, 26, Electronic Music Circuits: The Reprints, Vol 1, pp. 80-82
 * Tri-Colored LED Indicates Voltage Peaks, Electronotes, Volume 14, Number 134, February 1982, pp. 17-19, Electronic Music Circuits: The Reprints, Vol 1, pp. 42-44
 * ADSR The Easy Way, Polyphony, March/April 1982, pp. 22, 23, 30, 31, Electronic Music Circuits: The Reprints, Vol 1, pp. 84-88
 * Conductive Foam Forms Reliable Pressure Sensor, Electronics, May 19, 1982, pp. 161, 163.
 * Low-Key Digital Keyboard, Electronotes, Volume 14, Number 138, June 1982, pp. 2-10.
 * The PAL Filter, Polyphony, May/August 1982, pp. 16, 17, 30, Electronic Music Circuits: The Reprints, Vol 1, pp. 88-90
 * The Snare+ Drum Voice, Polyphony, September/October 1982, pp. 28-31, Electronic Music Circuits: The Reprints, Vol 1, pp. 92-95
 * Build the PGS Lowpass Voltage Controlled Filter, Common Mode, January 1983, Number 1, pp. 10-15, Electronic Music Circuits: The Reprints, Vol 1, pp. 1-6
 * Low-Frequency VCO Gives Exponential Response, Electronics, January 13, 1983, pp. 168-169, "Low Frequency VCO Gives Exponential Response," Thomas Henry, Pro Audio Design Forum
 * Patch-Over Scheme for a Small Synthesizer System, Polyphony, February 1983, pp. 26, 27, 46, Electronic Music Circuits: The Reprints, Vol 1, pp. 96-98
 * My Favorite Transistor Circuits, Polyphony, April 1983, pp. 26-28, Electronic Music Circuits: The Reprints, Vol 1, pp. 99-101
 * Music Synthesizer IC's, Radio-Electronics, May 1983, pp. 65-68, 104. Scans at Electronics and Books.com and American Radio History.com
 * A One Chip ADSR, Polyphony, June 1983, pp. 30-32, Electronic Music Circuits: The Reprints, Vol 1, pp. 102-104
 * Double Rectification Refines Envelope Extractor, Electronics, July 28, 1983, p. 131.
 * How to Use Transconductance Operational Amplifiers, Radio-Electronics, July 1983, pp. 55-58.
 * Micro Drums, part one, Polyphony, August 1983, pp. 32-35, Electronic Music Circuits: The Reprints, Vol 1 Polyphony, 0805, August 1983, pp. 106-109
 * Micro Drums, part two, Polyphony, October 1983, pp. 18-21, Electronic Music Circuits: The Reprints, Vol 1, pp. 110-113
 * Modifying the EKx-40 VCO, Polyphony, December 1983, pp. 32-34, Electronic Music Circuits: The Reprints, Vol 1, pp. 114-116
 * Build a Quadrature Function Generator, Polyphony, February 1984, pp. 26, 27, 30, Electronic Music Circuits: The Reprints, Vol 1, pp. 117-119
 * Easy Firing ADSR, Polyphony, April 1984, pp. 14, 15, 18, Electronic Music Circuits: The Reprints, Vol 1, pp. 120-122
 * Build Your Own Digital-to-Analog Converter, Keyboard, Volume 10, Number 6, Issue 98, June 1984, pp. 64-67.
 * Build a Synthesizer Delay Line, Polyphony, June 1984, pp. 30-35, Electronic Music Circuits: The Reprints, Vol 1, pp. 124-129
 * Meet the SN94281, Electronotes, Volume 14, Number 147-150, Special Issue B, pp. 1, 2, 12, 32-34, Electronic Music Circuits: The Reprints, Vol 1, pp. 45-49
 * Build a Precision Controller Clock, Electronotes, May/June 1984, Special Issue E, pp. 11-17, Electronic Music Circuits: The Reprints, Vol 1, pp. 50-57, 300 DPI version correct for layout etching, Electronotes
 * The Hi-Hat and Percusive Voice, Polyphony, August 1984, pp. 16-21, Electronic Music Circuits: The Reprints, Vol 1, pp. 130-135
 * Synthesizer Phase Shifter, Polyphony, October 1984, pp. 14-17, Electronic Music Circuits: The Reprints, Vol 1, pp. 136-139
 * Build an Electric Drum Pad, Polyphony, December 1984, pp. 20-23, Electronic Music Circuits: The Reprints, Vol 1, pp. 140-143, Polyphony - Vol. 10, Iss. 1 - December 1984
 * Build a Voltage-Controlled State Variable Filter, Polyphony, April 1985, pp. 8-11, 13, Electronic Music Circuits: The Reprints, Vol 1, pp. 144-148 Polyphony - Vol. 10, Iss. 2 - April 1985
 * Superseque: A Full Featured Analog Sequencer, Electronic Musician, June 1985, pp. 26-30, 46, Electronic Music Circuits: The Reprints, Vol 1, pp. 149-154
 * Do-It-Yourself Rack Enclosures, Electronic Musician, September 1985, pp. 39-41, Electronic Music Circuits: The Reprints, Vol 1, pp. 155-157
 * Fun with UARTs, Electronic Musician, January 1986, pp. 42, 43, 45, 46.
 * The RS-232 Drummer, Electronic Musician, February 1986, pp. 38-40, 42.
 * Build a High Frequency VCO, Electronic Musician, March 1986, pp. 52-55.
 * SONIC: Synthesizer-Organ Novel Interface Circuit, Electronic Musician, May 1986, pp. 52-55.
 * Panel Fillers, Electronic Musician, June 1986, pp. 70, 71.
 * The Mini-Controller, Part 1, Electronic Musician, October 1986, pp. 66-69.
 * The Mini-Controller, Part 2, Electronic Musician, March 1987, pp. 79-81.
 * Build a Bipolar Power Supply, Electronic Musician, November 1987, pp. 94-98.
 * LED Bar Graph Peak Detector, Electronic Musician, April 1988, pp. 80, 82-83.
 * The Smooth Phaser, Electronic Musician, June 1988, pp. 78, 80-83.
 * The One Chip 'MIDI Computer: Meet the 68705, Electronic Musician, April, 1989, pp. 72-75.
 * MIDI-to-Trigger Converter, Electronic Musician, June 1989, pp. 58, 60, 62-70.
 * The Connection: a 4-Voice MIDI-to-Analog Synthesizer Interface, Electronic Musician, July 1989, pp. 84, 86-90, 92-96, 98-101.
 * Two-Chip Project: The 'Noisebuster' for Sequencer Metronomes, Electronic Musician, November 1989, pp. 68, 69.
 * Build the Studio Amplifier for Guitar, Electronic Musician, December 1989, pp. 88, 90-96.
 * How to Make Your Projects Look Great, Electronic Musician, July 1990, pp. 20-22, 25, 26.
 * Build the ADV-Snare: An Analog Drum Voice for Percussive Musical Effects with Jack Orman, Nuts & Volts, July 1996, pp. 71-75.
 * Build the ADV-Bass, (with Jack Orman), Nuts & Volts, November 1996, pp. 56 - 59.
 * A Do-It-Yourself Sound Blaster 16 to MIDI Interface, Nuts & Volts, April 1997, pp. 41 - 43.
 * Build the MOD BOX with Jack Orman, Electronics Now, May 1997. pp. 45 - 49, 60, Electronics Now, May 1997. pp. 45 - 49, 60 and corrections at Electronics Now, July 1997. p. 7
 * Add MIDI to Your Electronic Drums!, Nuts & Volts, October 1997, pp. 62 - 67.
 * Build Your Own MIDI-to-Synthesizer Interface, Nuts & Volts, December 1997, pp. 52 - 56, Nuts & Volts, December 1997, pp. 52 - 56
 * Power Supplies for Electronic Music, Nuts & Volts, January 1998, pp. 7 - 11.
 * Secrets of Making Attractive Rack Panels, Nuts & Volts, December 1998, pp. 72 - 75.
 * Audio Design with Op-Amps, Nuts & Volts, October 1999, pp. 29 -33.
 * Build a Tunable Noise Generator, Nuts & Volts, November 1999, pp. 25 - 27.
 * Clangora Percussion Synth, Nuts & Volts, November 2003, pp. 44-51.
 * Analog Music Synthesizers, Nuts & Volts, January 2006, pp. 57-63 Nuts & Volts, January 2006, pp. 57-63
 * Streamline Your Home Studio with a Sound Card Switcher, Nuts & Volts, July 2012, pp. 42-45, Nuts & Volts, July 2012, pp. 42-45
 * Build a MIDI-to-Logic Controller the Easy Way!, Nuts & Volts, October 2012, pp. 32-38, Nuts & Volts, October 2012, pp. 32-38
 * The Sirius Metronome for the Serious Musician by Thomas Henry, Nuts & Volts, January 2013, pp. 32 - 39 Nuts & Volts magazine, January 2013, pp. 32 - 39
 * Hotrod Your Electric Guitar with Active Tone Controls, Nuts & Volts, October 2014, pp. 29-33.
 * A MIDI Controlled Analog Synthesizer on a Shoestring, Nuts & Volts, April 2016, pp. 32-36.

Online
At Thomas Henry projects, birthofasynth.com:
 * 8038 Audio generator
 * Bass ++ drum voice
 * Mega percussive synthesizer
 * Quadrature function generator
 * SN-voice
 * UD-1 drum voice
 * VCA-1
 * VCF-1
 * VCO-1
 * VCO maximus
 * X-4046 VCO
 * XR VCO

Video

 * Building a Synthesizer, 2009

Projects

 * Electronic Music Circuits: The Reprints, Vol 1
 * Controller LFO, Aug 2012, electro-music.com forum
 * The VCO-555, Aug 2012, electro-music.com forum

Blogs

 * Spurts of Ink, memoirs
 * A Commonplace Book, current doings
 * PIC Projects in Pascal, electronic projects