Roy Hayes: Difference between revisions

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'''Roy Hayes''' designed the:
[[File:Roy Hayes.jpg|thumb|200px|right]]
{{Person
|Names=Roy M Hayes
|Birth date=March 19, 1933
|Birth place=Maytown, Kentucky
|Death date=May 30, 2021
|Death place=Portland, Oregon
|Countries=
|Affiliations=Tektronix;
|Wikidata id=
}} designed the:


* [[155-0032-00|155-0032-xx]] amplifier IC
* [[155-0032-00|155-0032-xx]] amplifier IC
* [[7A12]] amplifier plug-in
* [[7A12]] amplifier plug-in
* [[3A3]] amplifier plug-in
* [[3A3]] amplifier plug-in
* [[3A8]]
* [[3A8]] opamp plug-in


Hayes left Tektronix for HP Loveland in Jan 1971.
Hayes left Tektronix for HP Loveland in Jan 1971.


==Patents==
{{Designer|Roy Hayes}}
{{Patents|Roy Hayes}}


* [https://www.google.com/patents/US3323070 US 3323070 A], Variable gain amplifier having constant frequency band pass (filed 1964)
* [https://www.google.com/patents/US3423685 US 3423685 A], Bootstrapped cascode differential amplifier (filed 1964)
* ...




[[Category:Tektronix people]]
[[Category:Tektronix people]]

Latest revision as of 02:58, 29 May 2023

Roy M Hayes (b. March 19, 1933 in Maytown, Kentucky – d. May 30, 2021 in Portland, Oregon) designed the:

Hayes left Tektronix for HP Loveland in Jan 1971.

Products by Roy Hayes

Manufacturer Model Description Designers Introduced
Tektronix 3A3 dual differential amplifier plug-in Roy Hayes 1964
Tektronix 3A8 Operational amplifier plug-in Roy Hayes 1965
Tektronix 7A12 120 MHz dual-channel amplifier Roy Hayes 1969

Components by Roy Hayes

Model Class Description Designers Used in
155-0032-00 Monolithic integrated circuit variable-gain transconductance amplifier (voltage in, current out) Roy Hayes Einar Traa 335 464 465 465B 466 475 475A 475M 634 650 651 652 653 655 656 670 671 7A12 475 FG504 1440 1460 1480 1481 1482 1485
155-0217-00 Monolithic integrated circuit variable-gain transconductance amplifier Roy Hayes Einar Traa 335 475 7D20 FG504

Patents by Roy Hayes

Page Office Number Title Inventors Company Filing date Grant date
Patent US 3323070A US 3323070A Variable gain amplifier having constant frequency band pass Roy Hayes Tektronix Inc 1964-05-12 1967-05-30
Patent US 3423685A US 3423685A Bootstrapped cascode differential amplifier Roy Hayes Tektronix Inc 1964-08-27 1969-01-21
Patent US 3423685A US 3423685A Bootstrapped cascode differential amplifier Roy Hayes Tektronix Inc 1964-08-27 1969-01-21