publication . Preprint . 2018

Probability distribution function of crossover frequency of operational amplifiers

Mishonov, Todor M.; Marinov, Vladimir G.; Danchev, Victor I.; Petkov, Emil G.; Petkov, Aleksander P.; Dimitrova, Iglika M.; Gourev, Vassil N.; Serafimov, Nikola S.; Stefanov, Aleksander A.; Varonov, Albert M.;
Open Access English
  • Published: 13 Feb 2018
Abstract
For the first time the cumulative distribution function of the crossover frequency of a contemporary operational amplifier ADA4898-2 is experimentally studied. Using a USB Lock-In amplifier, which allows automatic frequency sweep of the current response of a non-inverting amplifier with significant static amplification, we measure the crossover frequency of 200 samples of ADA4898-2 operational amplifiers. This new method gives a significant advantage in accuracy and speed of study of every operational amplifier. The theory we use is based on the universal relation between time dependent output and input voltages. This common relation for all operational amplifie...
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free text keywords: Electrical Engineering and Systems Science - Signal Processing
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Preprint . 2018
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[1] Technical Specification ADA4817: Low Noise, 1 GHz FastFET Op Amps, Rev. D, Figs. 53, 54, Eqs. (4) http://www.analog.com/static/imported-files/data sheets/ADA4817-1 4817-2.pdf.

[2] K. G. McConnell and W. F. Riley, “Tools of tensometry” in A. S. Kobayashi, Handbook on experimental mechanics, (PrenticeHall Inc., Seattle, Washington, 1987), chap. 3, Fig. 3.6b, Eq. (3.12).

[3] H. W. Bode,“Relations between attenuation and phase in feedback amplifier design,” Bell System Technical Journal, 19, 1940, pp. 421- 454, http://cdn14.21dianyuan.com/download.php?id=73990.

[4] W. Jung, “Op Amp History”, http://www.analog.com/media/en/ training-seminars/design-handbooks/Op-Amp-Applications/SectionH. pdf; page H.16.

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