8000A Datasheet, PDF (9/19 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 X-Band Performance (continued)
Table 11. X-Band Interfacility Link Specifications: 8850A Tx and 8860A Rx
Parameter
Specification
Symbol Min
Typ
Max
Unit
Passband
—
7.25
—
8.40
GHz
Optical Loss Budget
LOPT
—
6
Nominal RF Input at Max Input Gain
RFIN
—
–30
Link Gain (–6 dB with Redundancy Switching)
G
–9
—
—
dB
—
dBm
11
dB
Flatness
Gain Slope
Gain Stability at Constant Temperature
Noise Figure at Max Input Gain
(Add 4 dB with Redundancy Switching)
Spur-Free Dynamic Range*
—
—
∆GT
NF
SDFR
—
±0.25 /48
—
dB/MHz
—
±0.75/500
—
dB/MHz
—
≤0.02
—
dB/MHz
—
±0.15/24
—
dB/hr
—
26
—
dB
—
92
—
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
—
N Jack
—
Optical Fiber
Optical Connector
—
1310 nm, single mode
—
—
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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