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`An American National Standard
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`
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`Acknowledged as An American National Standard
`July 8, 1988
`
`IEEE
`
`Standard Dictionary
`of
`Electrical and
`
`Electronics
`Terms
`
`Fourth Edition
`
`INTEL 1010
`
`Page 1 of 3
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`

`

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`Library of Congress Catalog Number 88-082198
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`ISBN: 1-55937-000-9
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`© Copyright 1988
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`The Institute of Electrical and Electronics Engineers, Inc
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`No part of this publication may be reproduced in any form,
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`in an electronic retrieval system or otherwise,
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`without the prior written permission of the publisher.
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`Page 2 of 3
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`595
`the state of knowledge of the system, and its environ­
`ware. (2) The pr,
`ment. See: system.
`209
`ware.
`i .
`d 111 (t)(data transm ss1on). A contraction of
`1110 e
`modified circuit
`o u at?r, an eqmpment that con-
`M d 1
`MOdulator-DE.
`switchgear). Th
`nects data terminal eqmpment to a communication
`modified in ace
`59
`recovery voltag
`line.
`(l)(supervisory control, data acquisi
`tion, and auto-
`wave obtained 0
`matic control). A MOdulator/D
`EModulator device
`voltage indicate
`binary
`which converts serial
`digital
`data to and from
`ruption with re!
`the signal form appropriate for the respect
`
`ive commu-
`nication channel.
`modified
`570
`impeda
`mode mixer. See: mode scramble
`r.
`pedance
`433
`form o:
`mode of operation (rectifier
`circuit).
`The characteri
`characteristic
`stic
`o
`
`
`pattern of operation determined by the sequence and
`is a circle
`havir
`
`
`duration of commutation and conduction.
`Note: Most
`Note: It may b
`
`
`
`
`thyristor converters and rectifier circuits have several
`which may be identified
`modes of operation,
`by the
`
`
`shape of the current wave. The particular mode ob­
`tained at a given load depends upon the circuit con­
`
`
`
`stants. See: rectification; rectifier circuit element.
`121
`where K
`1, K2
`�
`
`mode of propagation (waveguides). A form of propaga­
`angle by whicl
`
`
`tion of guided waves that is characterized by a particu­
`rent.
`
`lar field pattern in a plane transverse to the direction
`
`modified index
`
`
`
`of propagation, which field pattern is independent of
`In the troposp
`
`
`position along the axis of the waveguide. Note: In the
`a given height
`
`
`case of uniconductor waveguides the field pattern of
`the ratio of thi
`
`
`a particular mode of propagation is also independent
`See: waveguide. 267, 319
`of frequency.
`inher1
`modified
`mode of resonance (waveguide).
`A form of natural
`switchgear).
`
`electromagnetic oscillation in a resonato
`that results frc
`r, character­
`duces the inhe;
`ized by a particular
`267
`field pattern.
`mode of vibration ( vibratory body, such as a piezoelec­
`impedance (cJ
`tric crystal unit). A pattern
`rupting devic(
`of motion of the individu­
`�l particles due to (1) stresses
`and its volu
`to the body: (2)
`applied
`its Properties: and (3) the boundary
`capacitors an
`conditions. Three
`part of a swi t
`
`common modes of vibration are (A) flexural, (B) ex­
`tensional, and (C) shear.
`See: crystal. 328
`modified inhe1
`�ode scrambler (fiber optics). (1)
`A device for ind�c-
`dent recover:
`
`,. .. , " �011,rP.
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`Page 3 of 3
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