C Band Satellite Transponder Block Diagram

May 2012 dec 2012.

C band satellite transponder block diagram.

An input band limiting device an input band pass filter. The basic block diagram of an vsat earth station transmitter is as shown in fig 2. Explain simplified block diagram of satellite transponder 1 single convention in c band 2 double conversion in ku band. Each transponder is amplified by either a travelling wave tube am plifier twta or a solid state power amplifie r.

The block diagram of transponder we can easily understand the operation of transponder from the block diagram itself. Satellite transponder does this operation. Why do some satellites have two transponders while others have twenty four. It is mainly used in satellite communication to transfer the received signals.

We can easily understand the operation of transponder from the block diagram itself. A block diagram of a transponder. This is for c band satellite band. Duplexer is a two way microwave gate.

As shown in the figure satellite transponder receives signal of say 6175 mhz from the earth it converts the same to 3950 mhz by substracting it using lo of 2225 mhz. A transponder is typically composed of. A communications satellite s transponder is the series of interconnected units that form a communications channel between the receiving and the transmitting antennas. The communication is through a telecommunication link established between the control station on the ground and the satellite.

The block diagram of transponder is shown in below figure. An input low noise amplifier lna designed to. 8 m 10 m. The two way communication is established with the help of transponder a com satellite has multi transponder per satellite has in creased over the year a satellite with 2 transponder can support a signal t v channel or 240 telephone lines a satellite with 48 transponder can accommodate 4000t.

The function of each block is mentioned below. Extended c band communications satellite wi ll be examined briefly here. It receives uplink signal from the satellite. Signals traveling from earth to satellites must travel through the atmosphere.

Usually in geo operate at the c band around 6 ghz. Extended c band is most popular because of less propagation problem. Block diagram of a typical ttc transponder. 1 duplexer is a two way microwave gate.

The function of each block is mentioned below. Maurizio di paolo emilio. The same is explained below with the use of the block diagram. The block diagram of transponder is shown in below figure.

The ttc transponder on the spacecraft plays the role of radio frequency interface with the ground. Rain attenuation and sky noise is low at 4 ghz downlink frequency of c band. Satellite communication system block diagram.