Which one of the following provides constant bandwidth and proportional bandwidth channels in a radio telemetry system?
A. FM /FM system
B. PCM /FM system
C. Spread Spectrum system
D. AM /FM system
Answer:A
Which one of the following provides constant bandwidth and proportional bandwidth channels in a radio telemetry system?
A. FM /FM system B. PCM /FM system C. Spread Spectrum system D. AM /FM system