Einar Traa

Einar Oddbjorn Traa was born in Aal, Norway, on March 23, 1943.

He received BSc. and MSc. degrees from Oregon State University, Corvallis, in 1966 and 1968, respectively.

Traa 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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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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