15-03-2012, 05:02 PM
SPECIFICATIONS
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Link Budget Calculations
Gain of parabolic Antenna
G = eta(10.472 f D)2
G = 33.06 dB
Transmitting Power = 100W = 40dBW
Cable losses = 2 dB.
EIRP =G + PS – (Cable loss)
=33.06 – 2 -10 log(100) = 51 dBW
Antenna Specs.
Frequency Range – 2 to 2.5Ghz
Diameter(D) – 2.7m
Gain = 33.06dB @ 2.25Ghz
Beam Width = 3.45o @ 2.25Ghz
Focal length(f) = 1.35m
f/D = 0.5
Depth(d) = 0.3375m
LNA specs.
Frequency Range – 2 to 2.5GHz
Gain ≈ 25dB
Noise figure ≤ 1.5dB
High input IP3
1dB Compression ≥ 5dBm
Supply Voltage 5V
Current 50mA
SSPA specs.
Operating Frequency – 2.0 to 2.5GHz
P1dB compression point ≈ 60dBm
Gain =50dB
Harmonics <-60dBc
Spourious < -60dBc
Noise figure = 15 to 20db
Power Output=100W
