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参数资料
| 型号： | HFBR-2116TZ |
| 元件分类： | 光接收 |
| 英文描述： | FIBER OPTIC RECEIVER, 1260-1360nm, 155Mbps, THROUGH HOLE MOUNT |
| 文件页数： | 3/12页 |
| 文件大小： | 173K |
| 代理商： | HFBR-2116TZ |
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. The outputs are terminated with 50
connected to VCC - 2 V.
3. 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.
4. This value is measured with the outputs
terminated into 50
connected to
VCC - 2 V and an Input Optical Power level
of -14 dBm average.
5. The power dissipation value is the power
dissipated in the transmitter and 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.
6. This value is measured with respect to VCC
with the output terminated into 50
connected to VCC - 2 V.
7. The output rise and fall times are
measured between 20% and 80% levels
with the output connected to VCC - 2 V
through 50
.
8. These optical power values are measured
with the following conditions:
The Beginning of Life (BOL) to the Endof
Life (EOL) optical power degradation is
typically 1.5 dB per the industry
convention for long wavelength LEDs.
The actual degradation observed in
AvagoTechnologie’s 1300 nm LED
products is < 1 dB, 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.
9. 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 25 MBd (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.
10. The transmitter will provide this low level
of Output Optical Power when driven by a
logic “0” input. This can be useful in link
troubleshooting.
11. The relationship between Full Width Half
Maximum and RMS values for Spectral
Width is derived from the assumption of a
Gaussian shaped spectrum which results
in a 2.35 X RMS = FWHM relationship.
12. 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. The ANSI
T1E1.2 committee has designated the
possibility of defining an eye pattern mask
for the transmitter output optical power as
an item for further study. Avago will
incorporate this requirement into the
specifications for these products if it is
defined. The HFBR-1116TZ transmitter
typically complies with the template
requirements of CCITT (now ITU-T) G.957
Section 3.25, Figure 2 for the STM-1 rate,
excluding the optical receiver filter
normally associatd with single-mode fiber
measurements which is the likely source
for the ANSI T1E1.2 committee to follow
in this matter.
13. Systematic Jitter contributed by the
transmitter is defined as the combination
of Duty Cycle Distortion and Data
Dependent Jitter. Systematic Jitter is
measured at 50% threshold using a
155.52, 27 - 1 pseudo-random bit stream
data pattern input signal.
14. Random Jitter contributed the the
transmitter is specified with a 155.52 MBd
(77.5 MHz square-wave) input signal.
15. 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 2.5 x 10-10.
At the Beginning of Life (BOL).
Over the specified operating voltage and
temperature ranges.
Input is a 155.52 MBd, 223 - 1 PRBS data
pattern with a 72 “1”s and 72 “0”s
inserted per the CCITT (now ITU-T)
recommendation G.958 Appendix 1.
Receiver data window time-width is
1.23 ns or greater for the clock recovery
circuit to operate in. The actual test
window time-width is set to simulate
the effect of worst-case input optical jitter
based on the transmitter jitter values from
the specification tables. The test window
time-width is 3.32 ns.
16. All conditions of Note 15 apply except that
the measurement is made at the center of
the symbol with now window time-width.
17. Systematic Jitter contributed by the
receiver is defined as the combination of
Duty Cycle Distortion and Data Dependent
Jitter. The input optical power level is at
the maximum of “PIN Min. (W).”
Systematic Jitter is measured at 50%
threshold using a 155.52 MBd (77.5 MHz
square-wave), 27 - 1 pseudo-random bit
stream data pattern input signal.
18. Random Jitter contributed by the receiver
is specified with a 155.52 MBd (77.5 MHz
square-wave) input signal.
19. This value is measured during the
transition from low to high levels of input
optical power.
20. This value is measured during the
transition from high to low levels of input
optical power.
21. The Signal Detect output shall be
asserted, logic-high (VOH), within 100 s
after a step increase of the Input Optical
Power.
22. Signal Detect output shall be deasserted,
logic-low (VOL), within 350 s after a step
decrease in the Input Optical Power.
23. The HFBR-1116TZ transmitter complies
with the requirements for the tradeoffs
between center wavelength, spectral
width, and rise/fall times shown in Figure
9. This figure is derived from the FDDI
PMD standard (ISO/IEC 9314-3: 1990 and
ANSI X3.166 - 1990) per the description in
ANSI T1E1.2 Revision 3. The interpretation
of this figure is that values of Center
Wavelength and Spectral Width must lie
along the appropriate Optical Rise/Fall
Time curve.
24. This value is measured with an output
load RL = 10 k.
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相关代理商/技术参数 |
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| HFBR-2119/T | 制造商:未知厂家 制造商全称:未知厂家 功能描述:FIBER OPTIC RECEIVER |
| HFBR-2119T | 功能描述:光纤发射器、接收器、收发器 1300nm 266MBd 16-pin DIP ST Rx RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
| HFBR-2119TZ | 功能描述:光纤发射器、接收器、收发器 1300nm 266M 16pin DI P ST Rx Pbfree RoHS:否 制造商:Omron Electronics 产品:Transmitters 数据速率:3.5 Gbps 波长:850 nm 最大工作温度: 最小工作温度: 封装 / 箱体: 封装: |
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| HFBR2202 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Optoelectronic |
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