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EDFA放大器

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Variable Gain Dual Stage EDFA

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Description

Variable Gain Dual Stage EDFA

with Mid-stage Access or in East/West Configuration

F-tone's Variable Gain Dual Stage EDFA provides flattened gain across the C-band, low noise figure, and a large dynamic gain range (up to 15 dB). The product includes advanced features such as comprehensive transient control, tunable mid-stage access (MSA) loss, and gain tilting functionality. The Variable Gain Dual Stage EDFA can be implemented in all network segments (long-haul, regional, metro and access) and for all network applications (telecom, cable and enterprise).

The Variable Gain EDFA can be provided in two possible configurations:

With mid-stage access - allowing a dispersion compensating fiber to be placed at the amplifier mid-stage.
East/West - for ROADM applications comprising two completely independent variable gain EDFA gain stages, ensuring maximum network design flexibility. This configuration is also useful for packaging two single stage variable gain amplifiers within a single module, leading to cost and space savings.

Features

  •     Up to 23 dBm output power
  •     Triple stage design for reduced noise figure
  •     Up to 15 dB gain variation, 12 dB mid-stage loss

Applications

  •     Long-haul, regional, metro and access WDM networks
  •     Improved link budget
  •     Dynamic networks
  •     East/West separation for ROADM applications

Specifications

 

Parameter Specifications Remarks
  Min. Max. Units  
Wavelength Range 1528 1567 nm  
Specifications for Each Separate Gain Stage
Input Power -40 +8 dBm 35 dB dynamic gain range for transient suppression
Saturated Output Power   23 dBm  
Gain Range 8 35 dB Any 15 dB range can be selected within this range
Gain Accuracy   +/-0.4 dB  
Gain Flatness   +/-0.5 dB  
Noise Figure (max gain, min input power)   5.5 dB  
Tilt -2 +2 dB  
PDL   0.3 dB  
PMD   0.5 psec  
Gain Transient Suppression,
Overshoot/Undershoot (19 dB add/drop)
-1 +1 dB  
Gain Transient Suppression Time    400 μsec  
Generic Parameters 
Maximum Total Power Consumption   15 W  
Dimensions (without heat sink)

100x15018 mm
Two 70x90x18 mm


Two separate modules which can be managed as a single unit
Laser Safety Class 1M   For all output powers 
Modes of Operation AGC, APC, pump power control
Communication RS232, I2C
Option: interface module to SNMP or TL1

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