HFBR-5104 Agilent(Hewlett-Packard), HFBR-5104 Datasheet - Page 22

no-image

HFBR-5104

Manufacturer Part Number
HFBR-5104
Description
FDDI/ 100 Mbps ATM/ and Fast Ethernet Transceivers in Low Cost 1x9 Package Style
Manufacturer
Agilent(Hewlett-Packard)
Datasheet
20a. All the conditions of Note 20 apply
20b. All the conditions of Note 20 apply
21. All conditions of Note 20 apply
21a. All the conditions of Note 21 apply
22. This value is measured during the
23. The Signal Detect output shall be
except that the BER requirement is
tightened to 1 x 10
minimum window time-width test
condition is narrowed from 4.6 ns to
3.7 ns to reflect the lesser amount of
worst case input optical jitter as a
result of shorter optical cable
lengths and lower BER which are
both attributes of the FDDI LCF-
PMD.
except that the BER requirement is
tightened to 1 x 10
minimum window time-width test
condition is adjusted to 4.2 ns to
reflect the HFBR-5104 transmitter
contributed jitter values per the
specification table.
except that the measurement is
made at the center of the symbol
with no window time-width.
accept that the BER requirement is
tightened to 1 x 10
transition from low to high levels of
input optical power.
asserted within 100 s after a step
increase of the Input Optical Power.
The step will be from a low Input
IDLE Line State pattern, 125
MBd (62.5 MHz square-wave),
input signal to simulate any
cross-talk present between the
transmitter and receiver sections
of the transceiver.
-12
-12
-12
.
and the
and the
23a. The Signal Detect output shall be
24. This value is measured during the
25. Signal detect output shall be de-
Optical Power,
range between greater than P
-14 dBm. The BER of the receiver
output will be 10
the time, LS_Max (15 s) after
Signal Detect has been asserted. See
Figure 12 for more information.
asserted within 100 s after a step
increase of the Input Optical Power.
The step will be from a low Input
Optical Power,
range -27 dBm
the receiver output will be 10
better during the time, LS_Max
(15 s) after Signal Detect has been
asserted.
transition from high to low levels of
input optical power. The maximum
value will occur when the input
optical power is either -45 dBm
average or when the input optical
power yields a BER of 10
whichever power is higher.
asserted within 350 s after a step
decrease in the Input Optical Power
from a level which is the lower of;
-31 dBm or P
power level at which signal detect
was deasserted), to a power level of
-45 dBm or less. This step decrease
will have occurred in less than 8 ns.
The receiver output will have a BER
of 10
or until signal detect is deasserted.
The input data stream is the Quiet
Line State. Also, signal detect will
-2
or better for a period of 12 s
D
+ 4 dB (P
-2
-45 dBm, into the
-45 dBm, into the
2 dB. The BER of
or better during
D
-2
is the
or better,
-2
A
, and
or
25a. Signal detect output shall be de-
26. Systematic Jitter (SJ) contributed
27. Random Jitter contributed by the
be deasserted within a maximum of
350 s after the BER of the receiver
output degrades above 10
input optical data stream that
decays with a negative ramp func-
tion instead of a step function. See
Figure 12 for more information.
asserted within 350 s after a step
decrease in the Input Optical Power.
The step decrease signal shall have
an on level of -27 dBm
an off power level of -45 dBm or less.
This step decrease will have
occurred in less than 8 ns. The
receiver outputs within 12 s after
the step decrease in the optical
power will not reproduce with an
accuracy greater than 90% any
spurious signals (e.g. symbols from
adjacent physical link components
or power supply ripple). The input
data stream is the Quiet Line State.
Signal detect will also be deasserted
within a maximum of 350 s after
the BER of the receiver output
degrades above 10
optical data stream that decays with
a negative ramp function with a
response time > 8 ns.
by the 800 nm transmitter is a com-
bination of Duty Cycle Distortion
(DCD) and Data Dependent Jitter
(DDJ).
800 nm transmitter is specified with
an IDLE Line State, 125 MBd (62.5
MHz square-wave), input signal.
-2
for an input
2 dB and
-2
for an
147

Related parts for HFBR-5104