Home » Receiver Operation » 17 » d A 7 MHz signal and a 16 MHz oscillator are applied to a mixer stage. The output will contain the input frequencies and:   a.   8 and 9 MHz   b.   7 and 9 MHz   c.   9 and 23 MHz   d.   3.5 and 9 MHz Your answer "d" is not correct. "c" is the right answer. Next