Design Templates for Power Point

					Satellite Link Design

Transmitter Parameters
          Transmitter Maximum Ouput Power
          Transmitter Power Amplifier Backoff


          Transmitter Antenna Specifications


          Edge of Beam Loss (Specify loss at edge of area if
          transmitter is a satellite that covers an area of Earth.
          Set to 1 (or 0 dB) for point-to-point transmission)
          Maximum Transmitter Bandwidth (vallue has no effect on sheet)
          Link Frequency range (value has no effect on sheet)

Transmitted Information Signal
          Signal Bandwidth
          Carrier Signal Frequency
          Carrier Signal Wavelength
          Minimum Permitted C/N ratio at receiver (value has no effect on sheet)

Receiver Parameters


          Receiver Antenna specifications


          Received Noise (at output of antenna)
          RF Stage Noise and Gain

          Mixer Stage Noise and Gain

          IF Stage Noise and Gain

          Receiver System Gain and Noise Temperature


Transmission Path
          Satellite-Earth Station Distance
          Clear Air Atmospheric Loss
          Rain Loss
          Other Losses
          Free Space Path Loss

Carrier Power Results
            Effective Transmitted Power at Edge of Beam (or
            center point for point-to-point transmission)
            Transmitter Antenna Gain
            Receiver Antenna Gain
            Free Space Path Loss
            All Other Losses
            Earth Station Received Carrier Power

Noise Power Results
         Boltzmann's Constant
         Receiver System Noise Temperature
         Noise Bandwidth
         Receiver Noise Power

C/N Ratio
            C/N Ratio at Receiving Antenna Output (or at Receiver IF Stage Output)
                                                        A                          B

                                                       5.00       W              6.99
                                                       0.447      Linear         -3.50
                   Antenna Efficiency (h)              0.600      Linear         -2.22
                   Diameter D (Assuming Circular)      0.378      m
                   Theta 3dB [ = 75 * λ / D ]         17.000      Degrees
                   Gain [ = h ( πD / λ)² ]             115.3      Linear         20.62


                                                       0.501      Linear         -3.000
vallue has no effect on sheet)                                    MHz
                                                                  GHz (MIN)


                                                      38.00       MHz
                   Frequency fc                       3.50        GHz
                   Wavelength λ                      0.0857       m
ceiver (value has no effect on sheet)                1000.00      Linear         30.00



                   Antenna Efficiency (h)              0.50       Linear         -3.01
                   Diameter D (Assuming Circular)      1.20       m
                   Theta 3dB [ = 75 * λ / D ]          5.36       Degrees
                   Gain [ = h ( πD / λ)² ]            967.22      Linear         29.86
                   Received Noise Temp TIN             35.00      K              15.44
                   RF Stage Noise Temp TRF             45.00      K              16.53
                   RF Stage Gain                      100.00      Linear         20.00
                   Mixer Stage Noise Temp TM          100.00      K              20.00
                   Mixer Stage Gain                    0.25       Linear         -6.00
                   IF Stage Noise Temp TIF            400.00      K              26.02
                   IF Stage Gain                       10.00      Linear         10.00
                   Receiver System Noise Temp TS       96.92      K              19.86
                   Receiver System Gain               251.19      Linear          24


                   R                                  40000.00    km
                   LA                                   0.50      Linear          -3.00
                   LR                                   0.02      Linear         -18.00
                   LO                                   0.63      Linear          -2.00
                   LP [ = 1 / (4πR / λ)² ]          2.90782E-20   Linear      -195.3643256
                                       1.119360569   W            0.49
                                           115.3     Linear      20.62
                                           967.2     Linear      29.86
                                        2.908E-20    Linear     -195.36
                                        5.012E-03    Linear      -23.00
                                        1.819E-17    Linear     -167.40


                                        1.380E-23    J/K         -228.6
                                          96.92      K          19.864
                                          38.00      MHz        75.798
                                        5.084E-14    W          -132.94


put (or at Receiver IF Stage Output)   0.000357702 Linear     -34.46478729
                                                     Cost (Million SR) of Component per
            Cost Description                                         Unit

dBW         Million SR per W of actual transmitted
dB          power (Transmitted (W) * Backoff )
dB          Million SR per unit of h
            Million SR per m2 of D2

dB


dB

GHz (Max)


            Million SR per MHz of BW


dB


dB          Million SR per unit of h
                             2     2
            Million SR per m of D

dB
dBK
dBK         Million SR per K lower than 50
dB          Million SR per Unit of Gain
dBK         Million SR per K lower than 350
dB          Million SR per Unit of Gain
dBK         Million SR per K lower than 1000
dB          Million SR per Unit of Gain
dBK
dB




dB
dB
dB
dB
dBW
dB
dB
dB
dB
dB


dBW/K/Hz
dBK
dBHz
dBW


dB         Total Cost of Uplink or Downlink Components
Total Cost (Million SR) for
       Component


          0.00


           0.00




            0




           0.00



            0
            0
            0
            0
            0
            0
0.00
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