Multiple choice

In AM receivers, the intermediate frequency is

  1. 165 KHz

  2. 455 KHz

  3. 5 MHz

  4. 10 MHz

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The standard intermediate frequency (IF) for AM broadcast receivers is 455 KHz, which allows for optimal selectivity and gain in the IF amplifier stages. This frequency was chosen as a compromise between image rejection and selectivity requirements.