Electronics (Mike Jaroch)
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U |
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UNIT SIZEThe standards adopted to make comparisons between things of like value (for example, the unit size for conductors is the mil-foot) [4]. | |
UNIVERSAL TIME CONSTANT CHARTA chart used to find the time constant of a circuit if the impressed voltage and the values of R and C or R and L are known [2]. | |
UNTUNED LINEAnother name for the flat or nonresonant line [10]. | |
UP LINKThe frequency used to transmit a signal from earth to a satellite [17]. | |
UPPER SIDEBANDAll of the sum frequencies above the carrier [12]. | |
UPPER-FREQUENCY CUTOFFThe highest frequency a circuit can pass [9]. | |
V |
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V ANTENNAA bidirectional antenna, shaped like a V, which is widely used for communications [10]. | |
VACUUM EVAPORATIONProcess of producing thin film components [14]. | |
VALENCEThe measure of the extent to which an atom is able to combine directly with other atoms. It generally depends on the number and arrangement of the electrons in the outermost shell of the atom [1]. | |
VALENCE SHELLThe electrons that form the outermost shell of an atom [1]. | |