HFBR-5803A HP [Agilent(Hewlett-Packard)], HFBR-5803A Datasheet - Page 14

• Manufacturer Part Number: HFBR-5803A
• Description: FDDI 100 Mb/s ATM and Fast Ethernet Transceivers in Low Cost 1 x 9 Package Style
• Manufacturer: HP [Agilent(Hewlett-Packard)]

Receiver Optical and Electrical Characteristics
(HFBR-5803/5803T: T
(HFBR-5803A/HFBR-5803AT: T
Notes:
1. This is the maximum voltage that can be
2. The outputs are terminated with 50 W
3. The power supply current needed to operate
4. This value is measured with the outputs
5. The power dissipation value is the power
6. This value is measured with respect to V
7. The output rise and fall times are measured
8. Duty Cycle Distortion contributed by the
14
Parameter
Input Optical Power Minimum at Window Edge
Input Optical Power Minimum at Eye Center
Input Optical Power Maximum
Operating Wavelength
Duty Cycle Distortion Contributed by the Receiver
Data Dependent Jitter Contributed by the Receiver
Random Jitter Contributed by the Receiver
Signal Detect - Asserted
Signal Detect - Deasserted
Signal Detect - Hysteresis
Signal Detect Assert Time (off to on)
Signal Detect Deassert Time (on to off)
applied across the Differential Transmitter
Data Inputs to prevent damage to the input
ESD protection circuit.
connected to V
the transmitter is provided to differential
ECL circuitry. This circuitry maintains a
nearly constant current flow from the power
supply. Constant current operation helps to
prevent unwanted electrical noise from
being generated and conducted or emitted
to neighboring circuitry.
terminated into 50 W connected to V
and an Input Optical Power level of
-14 dBm average.
dissipated in the receiver itself. Power
dissipation is calculated as the sum of the
products of supply voltage and currents,
minus the sum of the products of the output
voltages and currents.
with the output terminated into 50 W
connected to V
between 20% and 80% levels with the
output connected to V
receiver is measured at the 50% threshold
CC
CC
-2 V.
- 2 V.
CC
A
-2 V through 50 W.
= 0°C to +70°C, V
A
CC
= -10°C to +85°C, V
- 2 V
CC
CC
9. Data Dependent Jitter contributed by
10. Random Jitter contributed by the receiver is
11. These optical power values are measured
= 3.135 V to 3.5 V or 4.75 V to 5.25 V)
using an IDLE Line State, 125 MBd
(62.5 MHz square-wave), input signal. The
input optical power level is -20 dBm
average. See Application Information -
Transceiver Jitter Section for further
information.
the receiver is specified with the FDDI DDJ
test pattern described in the FDDI PMD
Annex A.5. The input optical power level is -
20 dBm average. See Application Informa-
tion - Transceiver Jitter Section for further
information.
specified with an IDLE Line State,
125 MBd (62.5 MHz square-wave), input
signal. The input optical power level is at
maximum “P
Information - Transceiver Jitter Section for
further information.
with the following conditions:
•
•
The Beginning of Life (BOL) to the End of
Life (EOL) optical power degradation is
typically 1.5 dB per the industry
convention for long wavelength LEDs.
The actual degradation observed in
Agilent’s 1300 nm LED products is
< 1 dB, as specified in this data sheet.
Over the specified operating voltage and
temperature ranges.
Symbol
P
P
P
DCD
DDJ
RJ
P
P
P
AS_Max
ANS_Max
l
IN Min.
IN Min.
IN Max.
A
D
A
- P
CC
D
(W)
(C)
= 3.135 V to 3.5 V or 4.75 V to 5.25 V)
IN Min.
(W)”. See Application
Min.
-14
1270
P
-45
1.5
0
0
D
+ 1.5 dB
Typ.
-33.9
-35.2
2
8
12. The Extinction Ratio is a measure of the
13. The transmitter provides compliance with
Max.
-31
-31.8
1380
0.4
1.0
2.14
-33
100
350
•
•
The average power value can be converted
to a peak power value by adding 3 dB.
Higher output optical power transmitters
are available on special request.
modulation depth of the optical signal. The
data “0” output optical power is compared
to the data “1” peak output optical power
and expressed as a percentage. With the
transmitter driven by a HALT Line State
(12.5 MHz square-wave) signal, the average
optical power is measured. The data “1”
peak power is then calculated by adding 3
dB to the measured average optical power.
The data “0” output optical power is found
by measuring the optical power when the
transmitter is driven by a logic “0” input.
The extinction ratio is the ratio of the
optical power at the “0” level compared to
the optical power at the “1” level expressed
as a percentage or in decibels.
the need for Transmit_Disable commands
from the FDDI SMT layer by providing an
Output Optical Power level of < -45 dBm
average in response to a logic “0” input.
This specification applies to either 62.5/125
µm or 50/125 µm fiber cables.
With HALT Line State, (12.5 MHz square-
wave), input signal.
At the end of one meter of noted optical
fiber with cladding modes removed.
Unit
dBm avg.
dBm avg.
dBm avg.
nm
ns p-p
ns p-p
ns p-p
dBm avg.
dBm avg.
dB
µs
µs
Reference
Note 19
Figure 11
Note 20
Figure 11
Note 19
Note 8
Note 9
Note 10
Note 21, 22
Figure 12
Note 23, 24
Figure 12
Figure 12
Note 21, 22
Figure 12
Note 23, 24
Figure 12