This question appears in Mumbai University > Satellite Communication and Network subject

Marks: 5 M

Year: May 2014

Transponder

• The transponder consist of :
• Receiver
• Down convertor
• Input demultiplexer
• Travelling wave tube amplifiers
• Output multiplexer.
• The uplink signals are first filtered by a waveguide bandpass filter with about 600MHz bandwidth and then amplified by a parametric or GaAs FET low noise amplifier with a noise figure of 2 …