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The modern analog computer is based on an electronic circuit known as an operational amplifier. Early operational amplifiers ("op amps" for short) used vacuum tubes, since that was the only available technology.
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www.play-hookey.com/analog/
www.play-hookey.com/analog/
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An online museum of analog computers and their history. ... Welcome to the Analog Computer Museum and History Center ... What is an analog computer?
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dcoward.best.vwh.net/analog/
dcoward.best.vwh.net/analog/
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On this basis, it has generally been believed that an analog computer has no advantages. Not only will it suffer from problems of noise and unpredictability, conventional wisdom holds, but the "infinite precision" that it might theoretically offer is already effectively available to digital computers.
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www.eetimes.com/story/OEG19981103S0017
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ELEC301 Project: Building an Analog Computer ... In order to model the forced, damped oscillation of a mass attached to a spring, we constructed an analog computer using summers and integrators. Using the differential equation:
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www.owlnet.rice.edu/~elec301/Projects99/anlgcomp/
www.owlnet.rice.edu/~elec301/Projects99/anlgcomp/
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Home of the Systems Biology Workbench, a modular framework for Systems Biology. ... There are two distinct families of computing device available to us today, the all pervasive digital computer and almost forgotten analog computer. These two types of computer operate on quite different principles.
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sbw.kgi.edu/articles/analogcomputers.htm
sbw.kgi.edu/articles/analogcomputers.htm
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[Eric Archer] constructed an analog computer to model the physics of a bouncing ball. The core is a TL074 opamp that does all the integral math. He had no trouble finding descriptions of analog computers, but how to set the initial conditions was rarely covered.
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hackaday.com/2009/01/07/bouncing-ball-analog-computer/
hackaday.com/2009/01/07/bouncing-ball-analog-computer/
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Analog computers are irresistibly technical. Take the recently discontinued Comdyna GP-6, for instance. Its front panel is strewn with a baffling array of summer integrators, coefficient potentiometers and even a couple of inverters. ... The Comdyna GP-6 Analog Computer [via Matrixsynth]
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www.retrothing.com/2008/10/incomprehensibl.html
www.retrothing.com/2008/10/incomprehensibl.html
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A computer that represents data in terms of physical measures or quantities and proceeds along a continuum constituted by its components. Analog computers are especially suited for the solution of complex non-linear equations and for the simulation of multi-dimensional, parallel and continuous processes.
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pespmc1.vub.ac.be/ASC/ANALOG_COMPU.html
pespmc1.vub.ac.be/ASC/ANALOG_COMPU.html
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A computer that stores data in terms of digits (numbers) and proceeds in discrete steps from one state to the next. The states of a digital computer typically involve binary digits which may take the form of ... In digital computers, even letters, words and whole texts are represented digitally. Unlike analog computers,
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pespmc1.vub.ac.be/ASC/DIGITA_COMPU.html
pespmc1.vub.ac.be/ASC/DIGITA_COMPU.html
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