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Definition of "Active Satellite" |
Active satellite, It basically does the work of amplifying the microwave signals coming. In active satellites an antenna system, transmitter, power supply and a receiver is used. These satellite are also called as transponders. / In a switch where the contacts remain in one state unless actuated, such as a push-button switch, the contacts can either be normally open until closed by operation of the switch, or normally closed and opened by the switch action. A switch with both types of contact is called a changeover switch. These may be "make-before-break" which momentarily connects both circuits, or may be "break-before-make"which interrupts one circuit before closing the other. |
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