Which of the following statements are correct related to satellite communications.
1) In a typical earth station transmitter, IF modulator converts the input baseband signals to either an FM, a PSK, or a QAM modulated IF signal.
2) A typical satellite transponder consists of input and output BPF, a LNA, a frequency translator and a high level power amplifier.
If a transmitter produces 50 watts of power. If 50 watts is applied to a unity gain antenna with 900 MHz carrier frequency find the received power in dBm at free space distance of 100 m from antenna.
A satellite is rotating in a circular orbit at a height of 322 km. The orbital period of this satellite is
Step tracking is used for which type of communication
Each earth station’s transmission is encoded with a unique binary word called