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Neets Master Glossary - 14192_45
Neets Master Glossary - 14192_47

Neets Module 20-Master Glossary
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1-36 INSTANTANEOUS AMPLITUDE—The amplitude at any given point along a sine wave at a specific instant in time [12]. INSTANTANEOUS AUTOMATIC GAIN CONTROL (IAGC)—A circuit that can vary the gain of the radar receiver with each input pulse to maintain a nearly constant output peak amplitude [18]. INSTANTANEOUS VALUE—The magnitude at any particular instant when a value is continually varying with respect to time [2]. INSULATION—A material used to prevent the leakage of electricity from a conductor and to provide mechanical spacing or support as protection against accidental contact with the conductor [1] [4]. INSULATION RESISTANCE—The resistance offered by an insulating material to current leakage [4]. INSULATOR—(1) Material of such low conductivity that the flow of current through it can usually be neglected. (2) A device having high electrical resistance; used for supporting or separating conductors so as to prevent undesired flow of current from the conductors to other objects [1]. INTEGRATED CIRCUIT (IC)—(1) A circuit in which many elements are fabricated and interconnected by a single process (into a single chip), as opposed to a "nonintegrated" circuit in which the transistors, diodes, resistors, and other components are fabricated separately and then assembled [7]. (2) Elements inseparably associated and formed on or within a single substrate [14]. INTELLIGENCE—In communications any signal that conveys information (voice, teletypewriter, facsimile) [17]. INTENSITY (OF SOUND)—The measurement of the amplitude of sound energy. Generally synonymous with loudness [10]. INTERACTION SPACE—The region in an electron tube where the electrons interact with an alternating electromagnetic field [11]. INTERCEPT—The point where two lines drawn on a graph cross each other [10]. INTERELECTRODE CAPACITANCE—The capacitance between the electrodes of an electron tube [6] [11]. INTERFERENCE—Any disturbance that produces an undesirable response or degrades a signal [10]. INTERMEDIATE FREQUENCY (IF)—A lower frequency to which an RF echo is converted for ease of amplification [18]. INTERMEDIATE-LEVEL MAINTENANCE (SM&R Code I)—Direct support and technical assistance to user organizations. Tenders and shore-based repair facilities [14]. INTERMEDIATE POWER AMPLIFIER—The amplifier between the oscillator and final power amplifier [12]. INTERPOLES—Small auxiliary poles, placed between main field poles, whose magnetic field opposes the armature field and cancels armature reaction. Interpoles accomplish the same thing as compensating windings [5]. INTERSECTION LAW—In Boolean algebra, the law which states that if one input to an AND gate is already TRUE, then the output will depend upon the state of the other inputs only [13].






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