Electronics (Mike Jaroch)
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SINGLE, STATIONARY-LOBE SCANNING SYSTEMAntenna (with a single, stationary beam) that is rotated to obtain 360-degree coverage [18]. |
SINGLE-ENDED MIXERSee UNBALANCED CRYSTAL MIXER [18]. | |
SINKSee OUTPUT END [10]. | |
SKIP DISTANCEThe distance from a transmitter to the point where the sky wave is first returned to earth [10]. | |
SKIP ZONEA zone of silence between the point where the ground wave becomes too weak for reception and the sky wave is first returned to earth [10]. | |
SKY WAVESRadio waves reflected back to earth from the ionosphere [10]. | |
SLANT RANGESee RANGE [18]. | |
SLIPThe difference between rotor speed and synchronous speed in an ac induction motor [5]. | |
SLIP RINGSContacts that are mounted on the shaft of a motor or generator to which the rotor windings are connected and against which the brushes ride [5]. Devices for making electric connections between stationary and rotating contacts. | |
SLOPE DETECTORA tank circuit tuned to a frequency, either slightly above or below an FM carrier frequency, that is used to detect intelligence [12]. | |