Barrie Gilbert

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Barrie Gilbert

Barrie Gilbert (b. 5 June 1937 in Bournemouth, England – d. 30 January 2020 in Beaverton, OR) (→ WikiData) was an analog design engineer well known for his invention of numerous analog circuit concepts, including the Gilbert Cell, and the discovery of the Translinear Principle.

During the 1950s he pursued an interest in solid-state devices while at Mullard, working on the development of early transistors, and later, the first-generation planar ICs. After some pioneering development of sampling oscillography he emigrated to the United States in 1964 to pursue this interest at Tektronix, Beaverton, Oregon, where he developed the first electronic readout system and other advances in instrumentation.

He returned to England in 1970, where he was Group Leader at Plessey Research Laboratories, managing a team developing a holographic memory, OCR systems and integrated circuits (ICs) for communications applications. From 1972-1977 he consulted for Analog Devices Inc., Beaverton, OR, designing several ICs embodying novel nonlinear concepts.

He returned to the USA and Tektronix in 1977 to pursue HF ICs and process development. In 1979, Analog Devices allowed Gilbert to create the first remote design center for the Company, in Oregon, to persuade him to rejoin the company as their first Fellow.

Key Publications

Tektronix Products

Products by Barrie Gilbert

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Components by Barrie Gilbert

Model Class Description Designers Used in
155-0014-01 Monolithic integrated circuit A/D converter Barrie Gilbert 7000 series readout system 7J20 P7001
155-0015-01 Monolithic integrated circuit analog data switch Barrie Gilbert 7000 series readout system
155-0017-00 Monolithic integrated circuit 5 MHz decade counter Barrie Gilbert 7000 series readout system
155-0023-00 Monolithic integrated circuit character generator (0 1 2 3 4 5 6 7 8 9) Barrie Gilbert 7000 series readout system
155-0024-00 Monolithic integrated circuit character generator (↓ < I / + - + C Δ >) Barrie Gilbert 7000 series readout system
155-0025-00 Monolithic integrated circuit character generator (m μ n p X K M G T R) Barrie Gilbert 7000 series readout system
155-0026-00 Monolithic integrated circuit character generator (S V A W H d B c Ω E) Barrie Gilbert 7000 series readout system
155-0027-00 Monolithic integrated circuit character generator (U N L Z Y P F J Q D) Barrie Gilbert 7000 series readout system
155-0038-01 Monolithic integrated circuit 5-bit current source D/A converter Barrie Gilbert 7A42 7D13 7D14 7M13

Patents by Barrie Gilbert

Page Office Number Title Inventors Company Filing date Grant date
Patent US 3539831A US 3539831A Switching circuit including plural ranks of differential circuits Barrie Gilbert Tektronix Inc 1967-06-15 1970-11-10
Patent US 3524998A US 3524998A Resistive conversion device Barrie Gilbert Tektronix Inc 1968-01-26 1970-08-18
Patent US 3594766A US 3594766A Analog to digital converter including comparator circuits with internal logic Barrie Gilbert Tektronix Inc 1969-01-24 1971-07-20
Patent US 3651510A US 3651510A Character generator apparatus Barrie Gilbert Tektronix Inc 1969-07-28 1972-03-21
Patent US 3689752A US 3689752A Four-quadrant multiplier circuit Barrie Gilbert Tektronix Inc 1970-04-13 1972-09-05
Patent US 3697785A US 3697785A Solid state scanning device Barrie Gilbert Tektronix Inc 1971-02-08 1972-10-10
Patent US 3823386A US 3823386A Current steering network Barrie Gilbert Tektronix Inc 1971-06-10 1974-07-09
Patent US 3708691A US 3708691A Large scale integrated circuit of reduced area including counter Barrie Gilbert Tektronix Inc 1972-01-21 1973-01-02
Patent US 3931583A US 3931583A Wideband differential amplifier Barrie Gilbert Tektronix Inc 1975-01-13 1976-01-06
Patent US 4075574A US 4075574A Wideband differential amplifier Barrie Gilbert Tektronix Inc 1976-07-15 1978-02-21
Patent US 4156283A US 4156283A Multiplier circuit Barrie Gilbert Tektronix Inc 1977-10-03 1979-05-22

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