8000A Datasheet, PDF (11/19 Pages) Emcore Corporation – System 8000 Fiber-Optic Interfacility Links

Data Sheet, Rev. 0
March 6, 2003
System 8000 Fiber-Optic Interfacility Links
C-Band, Extended C-Band, X-Band, and Ku-Band Interfacility Link Specifications
(continued)
Typical Ku-Band Performance (continued)
Table 14. Ku-Band Interfacility Link Specifications: Uplink Path, 8910A Tx/ 8920A Rx;
Downlink Path, 8910B Tx/ 8920B Rx
Parameter
Specification
Symbol Min
Typ
Max
Unit
Passband:
Uplink,8910A Tx/8920A Rx
Downlink,8910B Tx/8920B Rx
Downlink,8910B-E01 Tx/8920B-E01 Rx
—
14.0
—
10.95
—
10.7
—
14.5
12.75
12.75
GHz
GHz
GHz
Optical Loss Budget
Nominal RF Input at Max Input Gain:
8910A Tx/8920A Rx
8910B Tx/8920B Rx
LOPT
—
6
RFIN
—
–30
—
–30
—
dB
—
dBm
—
dBm
Link Gain (–6 dB with Redundancy Switching):
8910A Tx/8920A Rx
8910B Tx/8920B Rx
G
–9
—
–16
—
11
dB
11
dB
Flatness
Gain Slope
Gain Stability at Constant Temperature
Noise Figure at Max Input Gain
(Add 4 dB with Redundancy Switching):
8910A Tx/8920A Rx
8910B Tx/8920B Rx
—
—
±0.2/48
—
dB/MHz
—
±0.7/500
—
dB/MHz
—
—
0.02
—
dB/MHz
∆GT
—
±0.15/24
—
dB/hr
NF
—
25
—
25
—
dB
—
dB
Spur-Free Dynamic Range:*
8910A Tx/8920A Rx
8910B Tx/8920B Rx
SDFR
—
94
—
94
—
dB/Hz^2/3
—
dB/Hz^2/3
Group Delay:
Peak-to-Peak
Linear
Parabolic
Input/Output Impedance
Input/Output VSWR
—
—
0.5
—
ns
—
0.02
—
ns/MHz
—
0.01
—
ns/MHz²
Z
—
50
—
Ω
—
—
1.35:1
—
—
RF Connector
Optical Fiber
—
SMA
—
—
1310 nm, Single Mode
—
Optical Connector
—
FC/APC (Tight-fit Keying),
—
Return Loss > 60
dB
Absolute Maximum RF Input (Max Input Gain)
RFIN MAX
—
—
–15
dBm
* Spur-free dynamic range (SFDR) = 2/3(IP3 – NF + 173.8) dB/Hz^2/3; IP3 = input third-order intercept, NF = noise figure. SFDR is the range
where the carrier is above the noise and the third IM is below the noise, C/I = 2x(IP3 – PIN), where PIN = input RF/carrier for two carriers.
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