參數(shù)資料
型號(hào)： HFBR-1119T
英文描述： 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)
中文描述： 光纖發(fā)射數(shù)據(jù)鏈接為266 MBd的（應(yīng)用于266 MBd的的光纖傳送數(shù)據(jù)鏈路）
文件頁(yè)數(shù)： 11/12頁(yè)
文件大小： 206K
代理商： HFBR-1119T
11
Notes:
1. This is the maximum voltage that can
be applied across the Differential
Transmitter Data Inputs to prevent
damage to the input ESD protection
circuit.
2. When component testing these
products, do not short the receiver
Data or Signal Detect outputs directly
to ground to avoid damage to the
part.
3. The outputs are terminated with 50
connected to V
CC
- 2 V.
4. The power supply current needed to
operate 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.
5. These optical power values are
measured as follows:
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 Hewlett-
Packard’s 1300 nm LED products is
< 1dB, as specified in this data
sheet.
Over the specified operating
voltage and temperature ranges.
With 25 MBd (12.5 MHz square-
wave), input signal.
At the end of one meter of noted
optical fiber with cladding modes
removed.
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.
6. The Extinction Ratio is a measure of
the 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 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 transmit-
ter 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.
7. This parameter complies with the
requirements for the tradeoffs
between center wave length, spectral
width, and rise/fall times shown in
Figure 8.
8. The optical rise and fall times are
measured from 10% to 90% when the
transmitter is driven by a 25 MBd
(12.5 MHz square-wave) input signal.
This parameter complies with the
requirements for the tradeoffs
between center wavelength, spectral
width, and rise/fall times shown in
Figure 8.
9. Deterministic Jitter is defined as the
combination of Duty Cycle Distortion
and Data Dependent Jitter. Deter-
ministic Jitter is measured with a test
pattern consisting of repeating K28.5
(00111110101100000101) data
bytes and evaluated per the method in
FC-PH Annex A.4.3.
10. Random Jitter is specified with a
sequence of K28.7 (square wave of
alternating 5 ones and 5 zeros) data
bytes and, for the receiver, evaluated
at a Bit-Error-Ratio (BER) of 1 x 10
-12
per the method in FC-PH Annex
A.4.4.
11. This specification is intended to
indicate the performance of the
receiver when Input Optical Power
signal characteristics are present per
the following definitions. The Input
Optical Power dynamic range from
the minimum level (with a window
time-width) to the maximum level is
the range over which the receiver is
guaranteed to provide output data
with a Bit-Error-Ratio (BER) better
than or equal to 1 x 10
-12
.
At the Beginning of Life (BOL).
Over the specified operation
temperature and voltage ranges.
Input symbol pattern is a 266 MBd,
2
7
- 1 pseudo-random bit stream
data pattern.
Receiver data window time-width is
±
0.94 ns or greater and centered
at mid-symbol. This data window
time width is calculated to simulate
the effect of worst-case input jitter
per FC-PH Annex J and clock
recovery sampling position in order
to insure good operation with the
various FC-0 receiver circuits.
The maximum total jitter added by
the receiver and the maximum total
jitter presented to the clock
recovery circuit comply with the
maximum limits listed in Annex J,
but the allocations of the Rx added
jitter between deterministic jitter
and random jitter are different than
in Annex J.
12. All conditions of Note 11 apply
except that the measurement is made
at the center of the symbol with no
window time-width.
13. This value is measured during the
transition from low to high levels of
input optical power.
14. This value is measured during the
transition from high to low levels of
input optical power.
15. These values are measured with the
outputs terminated into 50
con-
nected to V
CC
- 2 V and an input
optical power level of -14 dBm
average.
16. The power dissipation value is the
power dissipated in the transmitter or
the receiver itself. Power dissipation
is calculated as the sum of the
products of supply voltage and supply
current, minus the sum of the
products of the output voltages and
currents.
17. These values are measured with
respect to V
CC
with the output
terminated into 50
connected to
V
CC
- 2 V.
18. The output rise and fall times are
measured between 20% and 80%
levels with the output connected to
V
CC
- 2 V through 50
.
19. The Signal Detect output shall be
asserted, logic-high (V
OH
), within
100
μ
s after a step increase of the
Input Optical Power.
20. Signal Detect output shall be de-
asserted, logic-low (V
OL
), within
350
μ
s after a step decrease in the
Input Optical Power.
21. This value is measured with an output
load R
L
= 10 k
.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HFBR-1119TZ 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1300nm 266M 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:
HFBR1125 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
HFBR1160 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
HFBR1202 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
HFBR1204 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic
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