Receivers

Question 7 of 22

In a superheterodyne receiver the output from the RF amplifier is at 3.75MHz, and the output from the local oscillator at 4.215MHz. Both signals are fed into a mixer. The output from the mixer could be at

1. 465kHz
2. 3.75MHz
3. 4.215MHz
4. 7.5MHz

1

2

3

4

Back