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A

ARMATURE LOSSES

Copper losses, eddy current losses, and hysteresis losses that act to decrease the efficiency of armatures [5].


ARMATURE REACTION

The effect in a dc generator of current in the armature creating a magnetic
field that distorts the main field and causes a shift in the neutral plane [5].


ARRAY OF ARRAYS

ARRAY OF ARRAYS—Same as COMBINATION ARRAY [10].

ARTIFICIAL TRANSMISSION LINE

An LC network that is designed to simulate characteristics of a
transmission line [18].


ASBESTOS

A noncombustible, nonconductive, fiber-like mineral used as an insulating material [4].

ASBESTOSIS

Fibrosis of the lungs caused by inhalation of asbestos fibers [4].

ASSEMBLY

A number of parts or subassemblies, or any combination thereof, joined together to perform a specific function [17].


ASTABLE MULTIVIBRATOR

A multivibrator that has no stable state. Also called free-running
because it alternates between two different output voltage levels during the time it is on. The frequency is determined by the RC time constant of the coupling circuit [9].


ASWTDS

An abbreviation for the antisubmarine warfare tactical data system [17].

ASYMMETRICAL MULTIVIBRATOR

A multivibrator that generates rectangular waves [18].


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