Home » Receiver Operation Receiver Operation: (3 questions) Sensitivity, selectivity, receiver noise. Operation of superhet, RF amplifier, IF amplifier, mixer, frequency translation, images, product detector, BFO, AGC, audio amplifier, single and double conversion. Start 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30