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參數(shù)資料
| 型號： | RXM-750 |
| 廠商： | Vectron International, Inc. |
| 英文描述： | SONET/SDH Fiber-Optic Receiver Module For Applications from 45MB/s to 750Mb/s(SONET/SDH 光纖接收模塊(應用范圍:45MB/s-750Mb/s) |
| 中文描述： | 的SONET / SDH光纖接收模塊的應用，從45MB / s到750Mb /秒（SONET / SDH的光纖接收模塊（應用范圍：45MB/s-750Mb/s） |
| 文件頁數(shù)： | 2/7頁 |
| 文件大?。?/td> | 360K |
| 代理商： | RXM-750 |
RXM-750 SONET/SDH Receiver Module
Product Data Sheet
Vectron International 166 Glover Avenue Norwalk CT. 06856-5160 Tel: 1-88-VECTRON-1 www.vectron.com
2
Functional Overview
This highly integrated module converts a 45Mb/s to 750
Mb/s fiber-optic NRZ signal to differential PECL data
outputs. A CMOS flag alerts the user to a loss of signal
condition when the optical input falls below an
acceptable level.
A single +5 Volt supply provides bias for the module’s
preamplifier, and Quantizer. The photodiode may be
biased to +5 Volts. All elements are integrated into
fiber-coupled 1.3” X 0.635” 20 pin DIL package. The
RXM-750 footprint and pinout are industry common for
ease of integration.
The optical signal is coupled through a 62.5
μ
m
multimode optical fiber to a hermetic module which
encases an InGaAs PiN-photodiode and preamplifier.
The PiN-photodiode converts the optical signal to an
electrical current. The signal is then converted to a
voltage and amplified by a low noise transimpedance
amplifier.
Further gain is provided by the quantizer, which also
provides a Flag output when the optical signal falls
below an acceptable level.
Figure 1. RXM-750 Functional Block Diagram
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