254-1963 IEEE Standard Definitions of Parametric Device Terms

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Organization: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 15 November 1963
Status: inactive
Page(s): 1 - 6
ISBN (Online): 978-1-5044-0226-2
DOI: 10.1109/IEEESTD.1963.7385409

Abstracts

Regular

While the term parametric amplifier implies a device which operates by virtue of the variation of some parameter, resistive or reactive, current usage applies it to circuits in which only a reactance is varied. When applied to electron beam devices and devices employing distributed nonlinear media, the variable parameter is equivalent to a reactance in the sense that it is associated with energy storage rather than eiiergy dissipative properties of the beam or medium. The qualifier, reactance, is more frequently applied to circuits in which the variable element is an easily identified lumped reactance. The qualifier, parametric, is more frequently applied to electron beam and distributed parameter devices, but can include the variable reactance devices as well. Thus in any of the following definitions, reactance may be used in place of parametric. These definitions are intended to exclude devices which operate by virtue of variable resistance or negative resistance.

Standard

Definitions of Parametric Device Terms

Document History

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October 10, 2008 - Society of Motion Picture and Television Engineers

1.1 This standard specifies the position and dimensions of machine-readable identification numbers. These numbers are intended to be a machine-readable version of the latent image key number. This standard also specifies the encoding format to be used for these machine-readable numbers, as well as t...

254-1963 - IEEE Standard Definitions of Parametric Device Terms
November 15, 1963 - IEEE - Institute of Electrical and Electronics Engineers, Inc.

While the term parametric amplifier implies a device which operates by virtue of the variation of some parameter, resistive or reactive, current usage applies it to circuits in which only a reactance is varied. When applied to electron beam devices and devices employing distributed nonlinear media, ...

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