8

Data Sheet, Rev. 0

System 8000 Fiber-Optic Interfacility Links

March 6, 2003

ORTEL a Division of EMCORE

C-Band, Extended C-Band, X-Band, and Ku-Band Interfacility Link Specifications

(continued)

Table 9. Sample Link Analysis: Downlink GT

Parameter

Specifica-

tion

Unit

Frequency

4.0

GHz

Total Power Flux Density

–117.3

Antenna Diameter

18

m

Antenna Efficiency

74

%

Antenna Temperature

65

°K

Feed Loss

0.15

dB

LNA Gain

50

dB

LNA Temperature

35

°K

Cable Loss into IFL

4

dB

Total Power into IFL

–20.5

dBm

Fiber-optic IFL Gain

5.2

dBm

Fiber-optic IFL Noise Figure

26.4

dB

IFL Two-Tone Third IM

–51.4

dBc

Output Loss (Splitter)

12

dB

Downconverter Input Channel

–39.2

dBm

Downconverter Noise Figure

17

dB

System G/T

34.32

dB/

°K

G/T Without Fiber-optic IFL

34.43

dB/

°K

Table 10. Sample Link Analysis: Fiber-Optic IFL

Contribution to Uplink Path EIRP

Parameter

Specifi-

cation

Unit

Frequency

6.0

GHz

Number of Channels

4

—

Channel Noise Bandwidth

32

MHz

IFL RF Input/Channel

–15

dBm

Fiber-optic IFL Gain

3.4

dBm

Fiber-optic IFL Noise Figure

34

dB

IFL Output IP3

13

dBm

Cable Loss

8.0

dB

Antenna Diameter

18

m

Antenna Gain

59.6

dB

EIRP/Channel

88

dBW

Noise EIRP

–1.2

dBW/4 kHz

IM EIRP

5.4

dBW/4 kHz