1) Explain the modulation index and amplitude modulation.
2) Explain the benefits of the super-heterodyne receiver over the TRF receiver.
3) Write down the differences between the narrowband FM and the wideband FM.
4) Explain what is the bandwidth needed for an FM wave where the modulating Frequency signal is kHz and the maximum frequency deviation is 12kHz?
5) Specify the sampling theorem for low pass signal.
6) Sketch the wave form for the binary data sequence 101100 modulated under
a)FSK
b) PSK.
7) Explain what are the geostationary satellites?
8) Explain what is meant by the skew ray?
9) Explain what is meant by the Hand off?
10) Explain the applications of the satellite system?