What is SATCOM?

SATCOM involves a constellation of  satellites consisting of transponders which at the certain distance from the Earth surface receives and transmits the RF Signal to the base station situated on the ground.

SATCOM BandsFreq (GHz)Application
L Band1-2GPS, Satellite mobile phones
S Band2-4IRNSS, Weather RADAR
C Band4-8TV Network
X Band8-12Military, Air Traffic Control, Vehicle speed tracking
Ku Band12-18Direct broadcast satellite services
Ka Band26-40Close range targeting radars on military aircraft.

SATCOM key specs

  • Channel BandWidth.
  • Pout
  • Gain
  • EVM
  • PAE (%)
  • EIRP
  • OIP3
  • Noise Figure

System Architechture

Key blocks in SATCOM system

  • Diplexers
  • Power Amplifier
  • Driver Amplifier
  • LNA
  • Mixer
  • VCO
  • Hybrids
  • Freq Multipliers