Einar Traa
Einar Oddbjorn Traa (b. March 23, 1943. in Aal, Norway – ?) received BSc. and MSc. degrees from Oregon State University, Corvallis, in 1966 and 1968, respectively. He joined Tektronix in 1967.
Products
- 155-0091-00 (M095A) channel switch / HF amplifier
- 155-0168-00 (H126) hybrid amplifier using M102
- 203-0089-90 (M089) vertical output amplifier
- 203-0102-90 (M102) vertical output amplifier
- M176
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Products by Einar Traa
Components by Einar Traa
| 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 |
| 155-0091-00 | Monolithic integrated circuit | channel switch / HF amplifier | Einar Traa • Jim Woo | 475 • 475A • 475M |
| 155-0168-00 | Hybrid integrated circuit | amplifier | Einar Traa | 475A |
| 155-0217-00 | Monolithic integrated circuit | variable-gain transconductance amplifier | Roy Hayes • Einar Traa | 335 • 475 • 7D20 • FG504 |
| 203-0089-90 | Monolithic integrated circuit | vertical output amplifier | Jim Cavoretto • Einar Traa | 155-0077-00 • 155-0115-00 |
| 203-0102-90 | Monolithic integrated circuit | vertical output amplifier | Einar Traa | 155-0168-00 |
| M176 | Monolithic integrated circuit | dual-channel vertical preamp | Einar Traa |
Publications
- An Integrated Analog Multiplier Circuit. Master Thesis, Oregon State University, 1968
- An Integrated Function Generator with Two-Dimensional Electronic Programming Capability. IEEE JSSC Vol. SC-10, No.6, Dec 1975]
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Patents
- US Patent 4,267,516 Common-emitter fT doubler amplifier employing a feed forward amplifier to reduce non-linearities and thermal distortion aka "Traashcomp" − see John Addis, Good Engineering and Fast Vertical Amplifiers, in Jim Williams (Ed.), Analog Circuit Design: Art, Science and Personalities (1991), p.117
- US Patent 4,712,087 Analog-to-digital converter error correction circuit
- US Patent 4,714,872 Voltage reference for transistor constant-current source
- US Patent 4,733,218 Combined digital-to-analog converter and latch memory circuit
- US Patent 4,774,498 Analog-to-digital converter with error checking and correction circuits
- US Patent 4,794,275 Multiple phase clock generator
- US Patent 4,797,586 Controllable delay circuit
- US Patent 4,866,314 Programmable high-speed digital delay circuit
- US Patent 6,222,660 Adaptive power supply for avalanche photodiode
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