Radio Receivers - Engineering

Q1:

Most popular IF for receivers tuning to 540 to 1650 kHz is

A 433 kHz

B 455 kHz

C 545 kHz

D 555 kHz

ANS:B - 455 kHz

1650-540=1110 and 1110/2 =555khz.

So, the answer is 555khz.