Home » Receiver Operation » 26 » a A superhet receiver, with a 500 kHz IF, is receiving a signal at 21.0 MHz. A strong unwanted signal at 22 MHz is interfering. The cause is: a. b. the 22 MHz signal is out-of-band c. 22 MHz is the image frequency d. insufficient RF gain Your answer "a" is not correct. "c" is the right answer. Next |