The planar distributed function generator

The planar distributed function generator

The planar distributed function generator (PDFG) is a new type of analog computing element based on monolithic integral circuit techniques. It can be designed by a computer to provide a variety of functions -- logarithmic, sinusoidal, square-law, air-date, ballistic, etc. As a basic nonlinear elemen...

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Bibliographic Details
Published in:1966 International Electron Devices Meeting p. 138
Main Author: Post, P.B.
Format: Conference Proceeding
Language:English
Published: IRE 1966
Subjects:
Analog computers
Circuits
Dielectric thin films
Differential amplifiers
Diodes
Resistors
Shape
Signal generators
Space heating
Thin film transistors
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Summary:The planar distributed function generator (PDFG) is a new type of analog computing element based on monolithic integral circuit techniques. It can be designed by a computer to provide a variety of functions -- logarithmic, sinusoidal, square-law, air-date, ballistic, etc. As a basic nonlinear element in analog systems, the device can replace diode-resistor networks, shaped potentiometers, resolvers, cams, and other bulky or expensive components.
DOI:10.1109/IEDM.1966.187765