參數(shù)資料
型號： HFBR-5208
英文描述： 1300 nm LED Transceiver for ATM, SONET/SDH 622 Mb/s and General Purpose 155 - 650 Mb/s(應用于ATM, SONET/SDH 622 Mb/s和 通用155 - 650 Mb/s的1300 nm LED收發(fā)器)
中文描述： 1300納米的LED自動取款機，收發(fā)器的SONET / SDH的622 Mb / s和通用155 - 650 Mb /秒（應用于自動取款機，SONET / SDH的622 Mb / s的和通用155 - 650 Mb / s的的1300納米發(fā)光收發(fā)器）
文件頁數(shù)： 4/12頁
文件大小： 163K
代理商： HFBR-5208
4
stripline transmission lines. This
will help to minimize the parasitic
inductance and capacitance
effects. Proper termination of the
differential data signal will
prevent reflections and ringing
which would compromise the
signal fidelity and generate
unwanted electrical noise. Locate
termination at the received signal
end of the transmission line. The
length of these lines should be
kept short and of equal length to
prevent pulse-width distortion
from occurring. For the high-
speed signal lines, differential
signals should be used, not single-
ended signals. These differential
signals need to be loaded
symmetrically to prevent
unbalanced currents from flowing
which will cause distortion in the
signal.
Maintain a solid, low inductance
ground plane for returning signal
currents to the power supply.
Multilayer plane printed circuit
board is best for distribution of
V
CC
, returning ground currents,
forming transmission lines and
shielding. Also, it is important to
suppress noise from influencing
the fiber-optic transceiver per-
formance, especially the receiver
circuit. Proper power supply
filtering of V
CC
for this
transceiver is accomplished by
using the recommended separate
filter circuits shown in Figure 4.
These filter circuits suppress V
CC
noise of 50 mV peak-to-peak or
less over a broad frequency
range. This prevents receiver
sensitivity degradation . It is
recommended that surface-mount
components be used. Use
tantalum capacitors for the 10 μF
capacitors and mono-lithic,
ceramic bypass capacitors for the
0.1 μF capacitors. Also, it is
recommended that a surface-
mount coil inductor of 1 μH be
Figure 4. Recommended Circuit Schematic
used. Ferrite beads can be used
to replace the coil inductors
when using quieter V
CC
supplies,
but a coil inductor is recom-
mended over a ferrite bead. Coils
with a low, series dc resistance
(<0.7 ohms) and high, self-
resonating frequency are recom-
mended. All power supply
components need to be placed
physically next to the V
CC
pins of
the receiver and transmitter. Use a
good, uniform ground plane with
a minimum number of holes to
provide a low-inductance ground
current return path for the power
supply currents.
NO INTERNAL CONNECTION
NO INTERNAL CONNECTION
HFBR-5208
TOP VIEW
V
EE
1
RD
2
RD
3
SD
4
V
CC
5
V
CC
6
TD
7
TD
8
V
EE
9
C1
C2
L1
L2
R2
R3
R1
R4
C5
C3
V
FILTER
AT V
PINS
TRANSCEIVER
C4
R9
R10
R5
R7
R6
R8
C6
RD
RD
SD
V
CC
TD
TD
TERMINATION
AT PHY
DEVICE
INPUTS
NOTES:
THE SPLIT-LOAD TERMINATIONS FOR ECL SIGNALS NEED TO BE LOCATED AT THE INPUT
OF DEVICES RECEIVING THOSE ECL SIGNALS. RECOMMEND MULTI-LAYER PRINTED
CIRCUIT BOARD WITH 50 OHM MICROSTRIP SIGNAL PATHS BE USED.
R1 = R4 = R6 = R8 = R10 = 130 OHMS
R2 = R3 = R5 = R7 = R9 = 82 OHMS
C1 = C2 = C3 = C5 = C6 = 0.1 μF.
C4 = 10 μF.
C7 = 10 μF (Optional).
L1 = L2 = 1 μH COIL OR FERRITE INDUCTOR.
TERMINATION
AT TRANSCEIVER
INPUTS
Rx
Rx
Tx
Tx
V
CC
V
CC
C7
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相關代理商/技術參數(shù)
參數(shù)描述
HFBR-5208AEM 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExtTe mp Txcvr Metal RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-5208AEMZ 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExTp Txc Metal RoHS RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-5208AFM 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExtTe mp Txcvr Metal RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-5208AFMZ 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExTp Txc Metal RoHS RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
HFBR-5208AM 功能描述:光纖發(fā)射器、接收器、收發(fā)器 1x9 622Mb/s SR ExtTe mp Txcvr Metal RoHS:否 制造商:Omron Electronics 產(chǎn)品:Transmitters 數(shù)據(jù)速率:3.5 Gbps 波長:850 nm 最大工作溫度: 最小工作溫度: 封裝 / 箱體: 封裝:
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