參數(shù)資料
型號(hào)： HFBR-1115T
英文描述： Fiber Optic Transmitter Data Links for 125 MBd(應(yīng)用于125 MBd的光纖傳送數(shù)據(jù)鏈路)
中文描述： 光纖發(fā)射數(shù)據(jù)鏈接125 MBd的（應(yīng)用于125 MBd的的光纖傳送數(shù)據(jù)鏈路）
文件頁(yè)數(shù)： 12/12頁(yè)
文件大小： 223K
代理商： HFBR-1115T
50 kHz. This sequence causes a
near worst-case condition for inter-
symbol interference.
Receiver data window time-width is
2.13 ns or greater and centered at
mid-symbol. This worst-case
window time-width is the minimum
allowed eye-opening presented to
the FDDI PHY PM_Data indication
input (PHY input) per the example
in FDDI PMD Annex E. This
minimum window time-width of
2.13 ns is based upon the worst-
case FDDI PMD Active Input
Interface optical conditions for
peak-to-peak DCD (1.0 ns), DDJ
(1.2 ns) and RJ(0.76 ns) presented
to the receiver.
To test a receiver with the worst-case
FDDI PMD Active Input jitter
condition requires exacting control
over DCD, DDJ, and RJ jitter
components that is difficult to
implement with production test
equipment. The receiver can be
equivalently tested to the worst-case
FDDI PMD input jitter conditions and
meet the minimum output data
window time-width of 2.13 ns. This is
accomplished by using a nearly ideal
input optical signal (no DCD,
insignificant DDJ and RJ) and
measuring for a wider window time-
width of 4.6 ns. This is possible due
to the cumulative effect of jitter
components through their
superposition (DCD and DDJ are
directly additive and RJ components
are rms additive). Specifically, when
a nearly ideal input optical test signal
is used and the maximum receiver
peak-to-peak jitter contributions of
DCD (0.4 ns), DDJ (1.0 ns), and RJ
(2.14 ns) exist, the minimum window
time-width becomes 8.0 ns - 0.4 ns -
1.0 ns - 2.14 ns = 4.46 ns, or
conservatively 4.6 ns. This wider
window time-width of 4.6 ns
guarantees the FDDI PMD Annex E
minimum window time-width of 2.13
ns under worst-case input jitter
conditions to the Hewlett-Packard
receiver.
22. All conditions of Note 21 apply
except that the measurement is made
at the center of the symbol with no
window time-width.
23. This value is measured during the
transition from low to high levels of
input optical power.
24. The Signal Detect output shall be
asserted, logic-high (V
OH
), within
100
μ
s after a step increase of the
Input Optical Power. The step will be
from a low Input Optical Power,
≤
-45 dBm, into the range between
greater than P
A
, and -14 dBm. The
BER of the receiver output will be
10
-2
or better during the time,
LS_Max (15
μ
s) after Signal Detect
has been asserted. See Figure 12 for
more information.
25. This value is measured during the
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
-2
or better,
whichever power is higher.
26. Signal Detect output shall be
deasserted, logic-low (V
OL
), within
350
μ
s after a step decrease in the
Input Optical power from a level
which is the lower of -31 dBm or P
D
+ 4 dB (P
D
is the power level at
which Signal Detect was de-asserted),
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
-2
or better for a
period of 12
μ
s or until signal detect
is de-asserted. The input data stream
is the Quiet Line State. Also, Signal
Detect will be de-asserted within a
maximum of 350
μ
s after the BER of
the receiver output degrades above
10
-2
for an input optical data stream
that decays with a negative ramp
function instead of a step function.
See Figure 12 for more information.
www.semiconductor.agilent.com
Data subject to change.
Copyright 1999 Agilent Technologies, Inc.
5965-3481E (11/99)
相關(guān)PDF資料
PDF描述
HFBR-1116T Fiber Optic Transmitter Data Links for 155 MBd(應(yīng)用于155 MBd的光纖傳送數(shù)據(jù)鏈路)
HFBR-1119T Fiber Optic Transmitter Data Links for 266 MBd(應(yīng)用于266 MBd的光纖傳送數(shù)據(jù)鏈路)
HFBR-1312T 1300 nm Fiber Optic Transmitter and Receiver
HFBR-1402 Fiber-Optic Transmitter(光纖傳送器)
HFBR-2402 Fiber-Optic Receivers(光纖接收器)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HFBR-1115TZ 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1300nm 125M 16pin DI P ST Tx Pbfree RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長(zhǎng):850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-1115TZ 制造商:Avago Technologies 功能描述:FIBRE OPTICS TRANSCEIVER MODULE LEADED
HFBR-1116T 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1300nm 155MBd 16-pin DIP ST Tx RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長(zhǎng):850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-1116TZ 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1300nm 155M 16pin DI P ST Tx Pbfree RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長(zhǎng):850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-1119/T 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FIBER OPTIC TRANSMITTER
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