Satellite communications utilize radio freqencies in the microwave range as the communications medium. Satellites receive signals and relay them to other satellites or to terrestrial (read 'ground') stations.

 

Satellite Basics

The Satellite Radio Freqency (RF) Circuit

  • Uplink / Downlink Chains
  • POWER
  • NOISE
    • Noise Floor
    • Signal To Noise Ratio
  • ATTENUATION
    • Rain Fade
    • Atmospheric Absorbption
  • Solar/Sun Outage
  • Impedance
  • Noise
    • Noise Floor
    • Spectrum Interferance
    • Saturation
  • Gain
  • Gain over Temperature (G/T)
  • Voltage Standing Wave Ratio (VSWR)
  • Free space loss
  • Noise temperature
  • Carrier to Noise
  • Intermodulation
  • SFD
  • Backoff

MODULATION

  • BPSK
  • QPSK
  • 8PSK
  • 16PSK
  • 32PSK

ERROR CORRECTION

CODING

DIGITAL SERVICES

  • Single Channel Per Carrier (SCPC)
  • Multiple Channels Per Carrier (MCPC)
  • Digital Video Broadcast (DVB)

EARTH STATION EQUIPMENT

UPLINK CHAIN

  • Data Source (Router)
  • Modulator
  • Up-Converter
  • Amplifiers
  • Wave Guide
    • Baseball Switch
  • Dish
    • Antenna
    • Feed Horn
    • Mesh vs. Solid

DOWNLINK CHAIN

  • Antenna (Dish)
  • Low Noise Amplifier (LNA)
  • Low Noise Block Downconverter (LNB)
  • Down-Converter
  • Demodulator
  • Data Destination

Bookmark this page and SHARE:  

Search

Support InetDaemon.Com

Get Tutorials in your INBOX!

Free Training