Einar Traa

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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.

Publications

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

Patents by Einar Traa

Page Office Number Title Inventors Company Filing date Grant date
Patent US 3982115A US 3982115A Electronically programmable function generator Einar Traa Tektronix Inc 1975-01-31 1976-09-21
Patent US 4267516A US 4267516A Common-emitter fT doubler amplifier employing a feed forward amplifier to reduce non-linearities and thermal distortion Einar Traa Tektronix Inc 1979-08-03 1981-05-12
Patent US 4714872A US 4714872A Voltage reference for transistor constant-current source Einar Traa Tektronix Inc 1986-07-10 1987-12-22
Patent US 4733218A US 4733218A Combined digital-to-analog converter and latch memory circuit Einar Traa Tektronix Inc 1986-07-18 1988-03-22
Patent US 4712087A US 4712087A Analog-to-digital converter error correction circuit Einar Traa Tektronix Inc 1987-02-09 1987-12-08
Patent US 4774498A US 4774498A Analog-to-digital converter with error checking and correction circuits Einar Traa Tektronix Inc 1987-03-09 1988-09-27
Patent US 4794275A US 4794275A Multiple phase clock generator Einar Traa Tektronix Inc 1987-09-17 1988-12-27
Patent US 4797586A US 4797586A Controllable delay circuit Einar Traa Tektronix Inc 1987-11-25 1989-01-10
Patent US 4866314A US 4866314A Programmable high-speed digital delay circuit Einar Traa Tektronix Inc 1988-09-20 1989-09-12
Patent US 6222660 US 6222660 Adaptive power supply for avalanche photodiode Einar Traa Tektronix Inc 1998-06-09 2001-04-24
  • Patent US 4267516A "Common-emitter fT doubler amplifier ..." describes Traa's "Traashcomp" amplifier design − see John Addis, Good Engineering and Fast Vertical Amplifiers, in Jim Williams (Ed.), Analog Circuit Design: Art, Science and Personalities (1991), p.117