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參數(shù)資料
| 型號： | AFCT-5962TGZ |
| 元件分類： | 光收發(fā) |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1261-1580nm, 155Mbps(Tx), 155Mbps(Rx), BOARD/PANEL MOUNT, DIP, LC CONNECTOR |
| 封裝： | ROHS COMPLIANT, DIP-20 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 514K |
| 代理商： | AFCT-5962TGZ |
2
Figure 1. Receiver Block Diagram
TRANS-
IMPEDANCE
PRE-
AMPLIFIER
FILTER
GND
AMPLIFIER
LVPECL
OUTPUT
BUFFER
LVPECL
OUTPUT
BUFFER
DATA OUT
SIGNAL
DETECT
CIRCUIT
SD
DATA OUT
PHOTODETECTOR
BIAS
Functional Description
Receiver Section
Design
The receiver section for the AFCT-5962TLZ/
TGZ/ATLZ/ATGZ/NLZ/NGZ contains an InGaAs/
InP photo detector and a preamplifier mounted
in
an
optical
subassembly.
This
optical
subassembly is coupled to a postamp/decision
circuit on a circuit board. The design of the
optical assembly is such that it provides better
than 1 4 dB Optical Return Loss (ORL).
The postamplifier is ac coupled to the preamplifier
as illustrated in Figure 1. The coupling capacitors
are large enough to pass the SONET/SDH test
pattern at 155 Mb/s without significant distortion
or performance penalty. If a lower signal rate,
or a code which has significantly more low
frequency content is used, sensitivity, jitter and
pulse distortion could be degraded.
Figure 1 also shows a filter function which
limits the bandwidth of the preamp output
signal.
The filter is designed to bandlimit the
preamp output noise and thus improve the
receiver sensitivity.
These components will reduce the sensitivity of
the receiver as the signal bit rate is increased
above 155 Mb/s.
The device incorporates a photodetector bias
circuit. This output must be connected to VCC
and can be monitored by connecting through a
series resistor (see Application Section).
Noise Immunity
The receiver includes internal circuit components
to filter power supply noise.
However under
some conditions of EMI and power supply noise,
external power supply filtering may be necessary
(see Application Section).
The Signal Detect Circuit
The signal detect circuit works by sensing the
level of the received signal and comparing this
level to a reference. The SD output is low
voltage PECL.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AFCT-5962TLZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 Transceiver 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: |
| AFCT-5963ATGZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 Transceiver 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: |
| AFCT-5963ATLZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 Transceiver 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: |
| AFCT-5963NGZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 Transceiver 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: |
| AFCT-5963NLZ | 功能描述:光纖發(fā)射器、接收器、收發(fā)器 Transceiver 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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