Electronics (Mike Jaroch)
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A-SCOPEA radar display on which slant range is shown as the distance along a horizontal trace [18]. | |
ABSORPTION(1) Dissipation of radio or sound waves as they interact with matter. (2) The absorbing of light waves without reflection or refraction [10]. | |
ABSORPTION WAVEMETERAn instrument used to measure audio frequencies [16]. | |
ACCELERATING ANODEAn electrode charged several thousand volts positive and used to accelerate electrons toward the front of a cathode-ray tube [6]. | |
ACCELERATION SERVOSYSTEMA servosystem that controls the acceleration (rate of change in velocity) of a load [15]. | |
ACCELEROMETERA device that measures the acceleration to which it is subjected and develops a signal proportional to it [15]. | |
ACCEPTOR IMPURITY An impurity which, when added to a semiconductor, accepts one electron from a neighboring atom and creates a hole in the lattice structure of the crystal. Also called TRIVALENT IMPURITY [7]. | |
ACORN TUBEA very small tube with closely spaced electrodes and no base. The tube is connected to its circuits by short wire pins that are sealed in a glass or ceramic envelope. The acorn tube is used in low-power uhf circuits [6]. | |
ACOUSTICSThe science of sound [10]. | |
ACQUISITIONOperational phase of a fire-control or track radar during which the radar system searches a small volume of space in a prearranged pattern [18]. | |