Deane Jensen
Born1942
Annapolis, Maryland
Died1989 (aged 46–47)
Hollywood, California
NationalityAmerican
Occupation(s)Inventor, audio engineer, businessman
Known forJensen Transformers, 990 Operational Amplifier

Deane Jensen was the founder of Jensen Transformers, Inc, and the inventor of the 990 Operational Amplifier. He also developed the COMTRAN circuit analysis software.[1]

Early life

Jensen grew up in Princeton, New Jersey. His father, Arthur S. Jensen, was a physicist who earned his PhD at the University of Pennsylvania in 1941. He went to Penn as well, majoring in physics and electrical engineering. In 1961, he was chief studio engineer for the student-run radio station, WXPN-FM.[2]

990 Op Amp

Jensen developed a low-noise, high-performance operational amplifier called the 990 in the late 1970s and was awarded a patent for it September 1, 1981 [3] Following the granting of the patent, Jensen published the circuit so that it could be the basis of further, public development.[4] The circuit has gone on to be popular with both professional equipment manufacturers as well as Hobbyists. It is also pin-compatible with the API 2520, contributing to its popularity. In 2018, the 990 op amp was inducted into the NAMM Hall of Fame.[5][6]

References

  1. ↑ "Jensen COMTRAN (1989)" (PDF). Technicalaudio.com. Technical Audio. Retrieved January 29, 2019.
  2. ↑ "History". Jensen Transformers. Retrieved 17 March 2019.
  3. ↑ US Granted 4,287,479, Jensen, Deane, "Operational amplifier circuit", published 1981-09-01, issued 1981-09-01, assigned to Jensen, Deane
  4. ↑ "Thread: In Memoriam (1989)" (PDF). aes.org. Audio Engineering Society. December 1989. Retrieved January 29, 2019.
  5. ↑ "Deane Jensen Designed 990 Discrete Op-Amp Inducted to The NAMM Hall of Fame (2018)". Audioexpress.com. Audio Xpress. Retrieved January 29, 2019.
  6. ↑ "Eight Groundbreaking Products to be Inducted to NAMM TECnology Hall of Fame (2018)". namm.org. National Association of Music Manufacturers. Retrieved January 29, 2019.
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