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Books > Professional & Technical > Technology: general issues > Technical design
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Sensor Circuits and Switching for Stringed Instruments - Humbucking Pairs, Triples, Quads and Beyond (Hardcover, 1st ed. 2020)
Loot Price: R1,556
Discovery Miles 15 560
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Sensor Circuits and Switching for Stringed Instruments - Humbucking Pairs, Triples, Quads and Beyond (Hardcover, 1st ed. 2020)
Expected to ship within 10 - 15 working days
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This book presents new methods of circuit design for guitar
electronics, based directly upon U.S. Non-Provisional Patent
Applications. By systematic construction of unique series-parallel
circuit topologies, the author shows how many series-parallel
circuits are possible, including non-matched single-coil pickups,
humbucking pickups, and humbucking combinations of matched
single-coil pickups. This allows designers to avoid unnecessary and
confusing duplicate circuits in pickup switching systems. It shows
how electromechanical switches cannot produce the maximum number of
tones for more than 2 or 3 pickups. Thus the author discloses an
efficient micro-controller and cross-point switch architecture to
replace mechanical switches, and allow access to the maximum number
of tones. The discussion continues, developing humbucking circuits
for odd numbers of matched single-coil pickups, extendable to any
odd or even number, greater than 1, using a simplified switching
system with very simple rules. It abandons some tones in favor of
producing all-humbucking and unique tones, no matter what the
switching choice. The author discloses both mechanical and digital
switching versions. Then, based on using humbucking basis vectors,
the author discloses variable-gain circuits that duplicate all
possible switched humbucking tone circuits, and produces all the
continuous tone gradations in between. The presentation includes
analog and digitally controlled systems. The object of all the
disclosures: give the guitarist or pianist a system which allows
going from bright to warm tones and back, without ever needing to
know which pickups are used in what combination.
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