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參數(shù)資料
| 型號： | HFBR-15X7 Transmitters |
| 英文描述： | 125 Megabaud Versatile Link The Versatile Fiber Optic Connection(125 Megabaud 多鏈接通用光纖接口) |
| 中文描述： | 125兆波特通用連接的多功能光纖連接（125兆波特多鏈接通用光纖接口） |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 286K |
| 代理商： | HFBR-15X7 TRANSMITTERS |
2
HFBR-0507 Series
125 MBd Data Link
Data link operating conditions
and performance are specified for
the HFBR-15X7 transmitter and
HFBR-25X6 receiver in the
recommended applications
circuits shown in Figure 1. This
circuit has been optimized for 125
MBd operation. The Applications
Engineering Department in the
Agilent Optical Communication
Division is available to assist in
optimizing link performance for
higher or lower speed operation.
Recommended Operating Conditions for the Circuits in Figures 1 and 2.
Parameter
Symbol
Ambient Temperature
T
A
Supply Voltage
V
CC
Data Input Voltage – Low
V
IL
Data Input Voltage – High
V
IH
Data Output Load
R
L
Signaling Rate
f
S
Duty Cycle
D.C.
Min.
0
+4.75
V
CC
-1.89
V
CC
-1.06
45
1
40
Max.
70
+5.25
V
CC
-1.62
V
CC
-0.70
55
125
60
Unit
°
C
V
V
V
MBd
%
Reference
Note 1
Note 2
Link Performance:
1-125 MBd, BER
≤
10
-9
, under recommended operating conditions with
recommended transmit and receive application circuits.
Parameter
Symbol
OPB
POF
OPM
POF,20
Min.
[3]
11
3
Typ.
[4]
Max.
16
6
Unit
dB
dB
Condition
Reference
Note 5,6,7
Note 5,6,7
Optical Power Budget, 1 m POF
Optical Power Margin,
20 m Standard POF
Link Distance with
Standard 1 mm POF
Optical Power Margin,
25 m Low Loss POF
Link Distance with Extra
Low Loss 1 mm POF
l
20
27
m
OPM
POF,25
3
6
dB
Note 5,6,7
l
25
32
m
Optical Power Budget, 1 m HCS
Optical Power Margin,
100 m HCS
Link Distance with HCS Cable
OPB
HCS
OPM
HCS,100
7
3
12
6
dB
dB
Note 5,6,7
Note 5,6,7
l
100
125
m
Notes:
1. If the output of U4C in Figure 1, page 4 is transmitted via coaxial cable, terminate with a 50
resistor to V
CC
- 2 V.
2. Run length limited code with maximum run length of 10
μ
s.
3. Minimum link performance is projected based on the worst case specifications of the HFBR-15X7 transmitter, HFBR-25X6 receiver,
and POF cable, and the typical performance of other components (e.g. logic gates, transistors, resistors, capacitors, quantizer,
HCS cable).
4. Typical performance is at 25
°
C, 125 MBd, and is measured with typical values of all circuit components.
5. Standard cable is HFBR-RXXYYY plastic optical fiber , with a maximum attenuation of 0.24 dB/m at 650 nm and NA = 0.5.
Extra low loss cable is HFBR-EXXYYY plastic optical fiber, with a maximum attenuation of 0.19 dB/m at 650 nm and NA = 0.5.
HCS cable is HFBR-H/VXXYYY glass optical fiber, with a maximum attenuation of 10 dB/km at 650 nm and NA = 0.37.
6. Optical Power Budget is the difference between the transmitter output power and the receiver sensitivity, measured after
1 meter of fiber. The minimum OPB is based on the limits of optical component performance over temperature, process, and
recommended power supply variation.
7. The Optical Power Margin is the available OPB after including the effects of attenuation and modal dispersion for the minimum
link distance: OPM = OPB - (attenuation power loss + modal dispersion power penalty). The minimum OPM is the margin
available for longterm LED LOP degradation and additional fixed passive losses (such as in-line connectors) in addition to the
minimum specified distance.
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