ECE Board Exam March 1996
What is the purpose of a beat frequency oscillator (BFO)?
A. Aid in the reception of weak voice-modulated signals
B. Generates a signal, whose frequency is the same as that of the intermediate frequency
C. Generates a 1kHz note for Morse code reception
D. Generates an output, whose frequency differs from that of the intermediate frequency
by 1 kHz
What is the purpose of a beat frequency oscillator (BFO)?
A. Aid in the reception of weak voice-modulated signals
B. Generates a signal, whose frequency is the same as that of the intermediate frequency
C. Generates a 1kHz note for Morse code reception
D. Generates an output, whose frequency differs from that of the intermediate frequency
by 1 kHz