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HFCT-5805C 参数 Datasheet PDF下载

HFCT-5805C图片预览
型号: HFCT-5805C
PDF下载: 下载PDF文件 查看货源
内容描述: 155 Mb / s的单模光纤收发器,用于ATM, SONET OC - 3 / SDH STM - 1 [155 Mb/s Single Mode Fiber Optic Transceiver for ATM, SONET OC-3/SDH STM-1]
分类和应用: 光纤异步传输模式ATM
文件页数/大小: 10 页 / 208 K
品牌: AGILENT [ AGILENT TECHNOLOGIES, LTD. ]
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Other Members of Agilent SC Duplex  
155 Mb/s Product Family  
ELECTRICAL SUBASSEMBLY  
PIN PHOTODIODE  
DATA  
DATA  
PRE-  
AMPLIFIER  
IC  
• HFCT-5801, 1300 nm single  
mode transceiver for links up  
to 15 km. The part is based on  
the 2 x 9 industry standard  
package and has laser bias,  
optical power monitor and  
transmitter disable functions.  
POST  
AMPLIFIER IC  
OPTICAL  
SUB-  
DUPLEX SC  
RECEPTACLE  
SIGNAL DETECT  
ASSEMBLIES  
DATA  
DATA  
LASER  
DRIVER  
IC  
LASER  
Applications Information  
Typical BER Performance of Receiver  
versus Input Optical Power Level  
The HFCT-5805 transceiver can  
be operated at Bit-Error-Rate  
conditions other than the  
TOP VIEW  
Figure 1. Block Diagram  
-10  
required BER = 1 x 10 of the  
Transmitter Section  
The transmitter section of the  
Receiver Signal Detect  
Signal Detect is a basic fiber  
HFCT-5805 consists of a 1300 nm failure indicator. This is a  
InGaAsP laser in an eyesafe single-ended LVPECL output. As  
optical subassembly (OSA) which the input optical power is  
mates to the fiber cable. The laser decreased, Signal Detect will  
ATM Forum 155.52 Mb/s Physical  
Layer Standard. The typical  
trade-off of BER versus Relative  
Input Optical Power is shown in  
Figure 2. The Relative Input  
Optical Power in dB is  
OSA is driven by a custom IC  
switch from high to low (deassert  
which converts differential input point) somewhere between  
referenced to the actual  
sensitivity of the device. For BER  
LVPECL logic signals into an  
analog laser drive current.  
sensitivity and the no light input  
level. As the input optical power  
is increased from very low levels,  
Signal Detect will switch back  
from low to high (assert point).  
The assert level will be at least  
0.5 dB higher than the deassert  
level.  
-10  
conditions better than 1 x 10  
,
more input signal is needed (+dB).  
Receiver Section  
The receiver utilizes an InGaAs  
PIN photodiode mounted  
together with a transimpedance  
preamplifier IC in an OSA. This  
OSA is connected to a circuit  
providing post- amplification  
quantization, and optical signal  
detection.  
Transceiver Specified for Wide  
Temperature Range Operation  
The HFCT-5805 is specified for  
operation over normal commercial  
temperature range of 0° to +70°C  
(HFCT-5805B/D) or the extended  
temperature range of -40° to  
+85°C (HFCT-5805A/C).  
Characterization of the parts has  
been performed over the ambient  
operating temperature range in  
an airflow of 2 m/s.  
2