8000A Datasheet, PDF (8/19 Pages) Emcore Corporation – System 8000 Fiber-Optic Interfacility Links

System 8000 Fiber-Optic Interfacility Links
Data Sheet, Rev. 0
March 6, 2003
C-Band, Extended C-Band, X-Band, and Ku-Band Interfacility Link Specifications
(continued)
Typical C-Band Performance (continued)
Table 9. Sample Link Analysis: Downlink GT
Parameter
Frequency
Total Power Flux Density
Antenna Diameter
Antenna Efficiency
Antenna Temperature
Feed Loss
LNA Gain
LNA Temperature
Cable Loss into IFL
Total Power into IFL
Fiber-optic IFL Gain
Fiber-optic IFL Noise Figure
IFL Two-Tone Third IM
Output Loss (Splitter)
Downconverter Input Channel
Downconverter Noise Figure
System G/T
G/T Without Fiber-optic IFL
Specifica- Unit
tion
4.0
–117.3
18
GHz
dBW/m²
m
74
65
0.15
50
35
4
–20.5
5.2
26.4
%
°K
dB
dB
°K
dB
dBm
dBm
dB
–51.4
dBc
12
–39.2
17
34.32
34.43
dB
dBm
dB
dB/°K
dB/°K
Table 10. Sample Link Analysis: Fiber-Optic IFL
Contribution to Uplink Path EIRP
Parameter
Frequency
Number of Channels
Channel Noise Bandwidth
IFL RF Input/Channel
Fiber-optic IFL Gain
Fiber-optic IFL Noise Figure
IFL Output IP3
Cable Loss
Antenna Diameter
Antenna Gain
EIRP/Channel
Noise EIRP
IM EIRP
Specifi-
cation
6.0
4
32
–15
3.4
34
13
8.0
18
59.6
88
–1.2
5.4
Unit
GHz
—
MHz
dBm
dBm
dB
dBm
dB
m
dB
dBW
dBW/4 kHz
dBW/4 kHz
8
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