Electronics (Mike Jaroch)
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REACTANCE-TUBE MODULATORAn FM modulator that uses a reactance tube in parallel with the oscillator tank circuit [12]. | ||
RECEIVER SENSITIVITY(1) The degree to which a receiver can usefully detect a weak signal. (2) The lower limit of useful signal input to the receiver [18]. | ||
RECEIVER TRANSFER SWITCHBOARDEquipment used to transfer receiver audio outputs to remote control station audio circuits [17]. | ||
RECEIVING ANTENNAThe device used to pick up the RF signal from space [10]. | ||
RECEIVING ENDSee OUTPUT END [10]. | ||
RECEPTIONThe instant when an electromagnetic wave passes through a receiver antenna and induces a voltage in that antenna [17]. | ||
RECIPROCAL(OF A QUANTITY)—The value obtained by dividing the number 1 by that quantity [1]. | ||
RECIPROCITYThe property of interchangeability of the same antenna for transmitting and receiving [10] [11]. | ||
RECOVERY TIMEIn a radar, the time interval between the end of the transmitted pulse and the time when echo signals are no longer attenuated by the tr gap [18]. | ||