Electronics (Mike Jaroch)
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SERIES-PARALLEL CIRCUITA circuit that consists of both series and parallel networks [1] [9]. | ||
SERIES-POSITIVE LIMITERA diode connected in series with the output, in which the output is taken across a resistor. It eliminates the positive alternation of the input wave [9]. | ||
SERIES-WOUND MOTORS AND GENERATORSMachines in which the armature and field windings are connected in series with each other [5]. | ||
SERVOAMPLIFIEREither ac or dc amplifiers used in servosystems to build up signal strength. These amplifiers usually have relatively flat gain versus frequency response, minimum phase shift, low output impedance, and low noise level [15]. | ||
SERVOMOTORAn ac or dc motor used in servosystems to move a load to a desired position or at a desired speed. The ac motor is usually used to drive light loads at a constant speed, while the dc motor is used to drive heavy loads at varying speeds [15]. | ||
SERVOSYSTEMAn automatic feedback control system that compares a required condition (desired value, position, and so forth) with an actual condition and uses the difference to drive a control device to achieve the required condition [15]. | ||
SETA unit or units and the assemblies, subassemblies, and parts connected or associated together to perform a specific function [17]. | ||
SEXADECIMALSame as HEXADECIMAL [13]. | ||
SHADOWA dead spot (minimum radiation) caused by the physical obstruction of transmitted waves by a feed horn [18]. | ||