Roy Hayes
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Roy M Hayes (b. March 19, 1933 in Maytown, Kentucky – d. May 30, 2021 in Portland, Oregon) designed the:
- 155-0032-xx amplifier IC
- 7A12 amplifier plug-in
- 3A3 amplifier plug-in
- 3A8 opamp plug-in
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 |