ASOC MCQ: If a super hetero dyne radio receiver is tuned to 1255 KHz & the IF frequency is 455KHz, then the frequency of the local oscillator of the receiver is | DXR ASOC Exam Practice Portal

Question #3Radio Theory and Communication Principles

If a super hetero dyne radio receiver is tuned to 1255 KHz & the IF frequency is 455KHz, then the frequency of the local oscillator of the receiver is

1255 KHz
800 KHz
1710 KHz ✓ Correct answer
455 KHz

Explanation: For a conventional high-side oscillator, LO = 1255 + 455 = 1710 kHz.

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