HFBR-0507 Hewlett-Packard (acquired by Agilent Technologies, Inc.), HFBR-0507 Datasheet - Page 2

• Manufacturer Part Number: HFBR-0507
• Description: 125 Megabaud Versatile Link The Versatile Fiber Optic Connection
• Manufacturer: Hewlett-Packard (acquired by Agilent Technologies, Inc.)

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 Operating Conditions for the Circuits in Figures 1 and 2.
Link Performance:
recommended transmit and receive application circuits.
Notes:
1. If the output of U4C in Figure 1, page 4 is transmitted via coaxial cable, terminate with a 50
2. Run length limited code with maximum run length of 10 s.
3. Minimum link performance is projected based on the worst case specifications of the HFBR-15X7 transmitter, HFBR-25X6 receiver,
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.
6. Optical Power Budget is the difference between the transmitter output power and the receiver sensitivity, measured after
7. The Optical Power Margin is the available OPB after including the effects of attenuation and modal dispersion for the minimum
18
Optical Power Budget, 1 m POF
Optical Power Margin,
Link Distance with
Optical Power Margin,
Link Distance with Extra
Optical Power Budget, 1 m HCS
Optical Power Margin,
Link Distance with HCS Cable
and POF cable, and the typical performance of other components (e.g. logic gates, transistors, resistors, capacitors, quantizer,
HCS cable).
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.
1 meter of fiber. The minimum OPB is based on the limits of optical component performance over temperature, process, and
recommended power supply variation.
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.
Parameter
Ambient Temperature
Supply Voltage
Data Input Voltage – Low
Data Input Voltage – High
Data Output Load
Signaling Rate
Duty Cycle
20 m Standard POF
Standard 1 mm POF
25 m Low Loss POF
Low Loss 1 mm POF
100 m HCS
Parameter
1-125 MBd, BER
OPM
recommended applications
circuits shown in Figure 1. This
circuit has been optimized for 125
MBd operation. The Applications
Engineering Department in the
Hewlett-Packard Optical
OPM
OPM
Symbol
Symbol
OPB
OPB
D.C.
V
V
V
R
T
f
CC
IH
IL
A
S
HCS,100
L
l
l
l
POF,20
POF,25
POF
HCS
10
-9
, under recommended operating conditions with
Min.
100
11
20
25
3
3
7
3
V
V
CC
CC
+4.75
[3]
Min.
45
40
0
-1.89
-1.06
1
Typ.
125
16
27
32
12
6
6
6
[4]
V
V
Max.
CC
CC
+5.25
Max.
125
70
55
60
-1.62
-0.70
Communication Division is
available to assist in optimizing
link performance for higher or
lower speed operation.
Unit Condition
dB
dB
dB
dB
dB
resistor to V
m
m
m
Unit
MBd
%
V
V
V
C
CC
- 2 V.
Reference
Reference
Note 1
Note 2
Note 5,6,7
Note 5,6,7
Note 5,6,7
Note 5,6,7
Note 5,6,7