AM and FM Receivers » Exercise - 13. High intermediate frequency in a superheat receiver : (a) improves selectivity (b) Increases tracking problems (c) Reduces adjacent channel rejection (d) All of the above
AM and FM Receivers » Exercise - 12. Which of the following receiver does not have amplitude limiter stage? (a) AM (b) FM (c) Both AM and FM (d) None of these
AM and FM Receivers » Exercise - 1 1. In AM receiver the oscillator frequency is - (a) Always equal to signal frequency (b) Always equal to 455 kHz (c) Always higher than signal frequency (d) Always lower than signal frequency
AM and FM Receivers » Exercise - 1 12. Which of the following should be used to prevent overloading of the last 1 F amplifier in a receiver ? (a) Double conversion (b) Variable sensitivity (c) Variable selectivity (d) Squelch
AM and FM Receivers » Exercise - 110. Receiver having poor if selectivity will have poor : (a) Sensitivity (b) Blocking (c) Diverse reception (d) All of the above