Which of the following is false with respect to pulse position modulation?(a) Can be transmitted in broadband(b) Modulates a high frequency carrier(c) Pulse is narrow(d) Pulse width changes in accordance with the amplitude of modulating signalThe question was asked during a job interview.Enquiry is from Pulse Modulation topic in section Digital Communication Techniques of Avionics

Which of the following is false with respect to pulse position modulat

1.	Which of the following is false with respect to pulse position modulation?(a) Can be transmitted in broadband(b) Modulates a high frequency carrier(c) Pulse is narrow(d) Pulse width changes in accordance with the amplitude of modulating signalThe question was asked during a job interview.Enquiry is from Pulse Modulation topic in section Digital Communication Techniques of Avionics
Answer» Right CHOICE is (d) PULSE width changes in ACCORDANCE with the amplitude of modulating signal For EXPLANATION: In PPM, the pulses change position according to the amplitude of the analog signal. The pulses are very narrow. These pulse signals MAY be transmitted in a baseband form, but in most applications, they modulate a high-frequency radio carrier.

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