- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄370576 > HFCT-5402D 2488 Mb/s Single Mode Fiber Transceiver for SONET OC-48/SDH STM-16 and ATM(應(yīng)用于SONET OC-48/SDH STM-16 和ATM的2488 Mb/s 單模式光收發(fā)器) PDF資料下載
參數(shù)資料
| 型號： | HFCT-5402D |
| 英文描述： | 2488 Mb/s Single Mode Fiber Transceiver for SONET OC-48/SDH STM-16 and ATM(應(yīng)用于SONET OC-48/SDH STM-16 和ATM的2488 Mb/s 單模式光收發(fā)器) |
| 中文描述： | 2488 Mb / s的掃描隧道顯微鏡的SONET OC-48/SDH單模光纖收發(fā)器- 16和ATM（應(yīng)用于的SONET OC-48/SDH的STM - 16和自動柜員機(jī)的2488 Mb / s的單模式光收發(fā)器） |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 1017K |
| 代理商： | HFCT-5402D |
4
DATA
DATA
DISABLE
LASER
MODULATOR
LASER BIAS
DRIVER
LASER BIAS
CONTROL
LASER
LASER
BIAS
MONITOR
PHOTODIODE
(rear facet monitor)
100 R
PIN 11
PIN 12
PIN 7
Figure 4. Transmitter Diagram
Electrical Characteristics
Transmitter Section
Input Stage
The input stage is internally biased
and 50 ohm terminated. The
transmitter accepts either single-
ended or differential PECL inputs
with signal levels ranging from
200 mV to 1100 mV swing. It is
important to ensure data input
lines have a 50 ohm characteristic
impedance for optimum
performance.
Laser Bias Monitor
The laser bias monitor points
(pins 5 and 6) allow the user to
directly measure dc bias current
(see Figure 5). The I/V relation-
ship for laser bias current is:
I
BIAS
= [(V
6
- V
5
)/10] A
It is worth noting that the above
relationship yields total laser
forward current (threshold and
bias) when no data is applied and
approximately threshold current
when modulation is applied. This
monitoring facility allows the user
to identify EOL conditions in a
given application.
Figure 6 shows a circuit which
can be used for indicating high
bias current conditions. Pins 5 and
6 are connected to the inverting
and non-inverting inputs of IC1A
respectively. IC1A is configured
as a unity gain buffer and its
output (V
IC1A
) fed to IC1B. IC2
provides a fixed 1.25 V reference
to VR1 which allows fine
adjustment for setting the
threshold voltage (V
TH
) at IC1B
which is configured as a TTL
comparator. The voltage V
TH
at
IC1B’s inverting input determines
the level at which the high bias
conditions results in a TTL flag.
For End of Life indication, a
typical voltage setting for V
TH
is:
3*(V
IC1A
at +25°C, no input data
modulation) for operation
between +25°C - +70°C
1.5*(V
IC1A
at +25°C, no input
data modulation) for operation
between 0 - +25°C
These ratios are approximate and
represent a coarse EOL indicator
when used in conjunction with the
circuit shown.
Figure 5. Bias Monitor
Figure 6. Laser Bias Indicator Circuit
LMC6062
+
-
R1 3 k
R2 3 k
IC1A
V
CC
+5 V
LMC6062
+
-
IC1B
V
CC
+5 V
R4 1 M
R3 1 k
R5 1 k
10 k VR1
V
CC
+5 V
LM385
1.25 V
IC2
V
IC1A
V
TH
TTL Output
(HIGH = EOL)
PIN 6 (+)
PIN 5 (-)
3 k
W
PIN 6 (+)
PIN 5 (-)
V
CC
10 R
3 k
W
V
EE
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HFCT-5903E | MT-RJ Duplex Single Mode Transceiver(MT-RJ 雙工單模式收發(fā)器) |
| HFCT-5905E | MT-RJ Duplex Single Mode Transceiver(MT-RJ 雙工單模式收發(fā)器) |
| HFCT-6001D | 622 Mb/s Single Mode Fiber Transceiver for ATM, SONET OC-12/SDH STM-4(應(yīng)用于ATM, SONET OC-12/SDH STM-4的622 Mb/s單模式光收發(fā)器) |
| HFDOM-40LX | 40Pin Flash Disk Module for 128MB,192M, 256M, True IDE Interface Mode, 5.0V |
| HFDOM-40LX128 | 40Pin Flash Disk Module for 128MB,192M, 256M, True IDE Interface Mode, 5.0V |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HFCT5611 | 制造商:Agilent Technologies 功能描述: |
| HFCT-5611 | 制造商:Rochester Electronics LLC 功能描述: 制造商:AGILENT TECHNOLOGY 功能描述: 制造商:Avago Technologies 功能描述: |
| HFCT-5611-001 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Avago Technologies 功能描述: |
| HFCT-5611U | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 GBIC 1.25 Gb/s 1550n m 24dB 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: |
| HFCT-5611UZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 GBIC 1.25 Gb/s 1550n m 24dB 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: |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。