Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 18 (Q.No. 35)

Communication Systems

35.

Pressing a key on telephone set generates two frequencies. The basis for selection of these frequencies is

the harmonics of one frequency should not be mistaken for the other frequency

the audio input to the handset transmitter should not be mistaken for a key pressing

both (a) and (b)

neither (a) nor (b)

Answer: Option

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