Optical Fiber Amplifier Equipment EDFA
Variant Specifications
Erbium-Doped Fiber Amplifier – EDFA Card
Power Amplifier (BA) • Line Amplifier (LA) • Pre-Amplifier (PA)
Product Overview
The DWDM EDFA Card is an Erbium-Doped Fiber Amplifier designed to improve optical signal power in DWDM transmission systems. It supports applications as a Booster Amplifier (BA), Line Amplifier (LA) and Pre-Amplifier (PA).
The amplifier uses a stable pump laser together with ATC (Automatic Temperature Control) and APC (Automatic Power Control) circuits to provide stable and reliable optical output.
A professional Gain Flattening Filter (GFF) and optimized optical path design provide improved gain flatness and low noise performance across the C-Band. The design supports approximately 40 to 80 DWDM channels.
EDFA Amplifier Types
Key Features
Common Optical & Environmental Specifications
| Parameter | Specification |
|---|---|
| Operating Wavelength | 1527.8 – 1565.6 nm (Typical center: 1550 nm) |
| Gain Flatness | Typical 0.6 dB / Maximum 1.5 dB |
| Noise Figure | Typical 5.0 dB |
| Input / Output Isolation | ≥ 30 dB |
| Output Pump Leakage | ≤ -30 dBm |
| Input / Output Return Loss | ≥ 45 dB |
| Polarization Dependent Loss | ≤ 0.5 dB |
| Polarization Mode Dispersion | ≤ 0.5 ps |
| Operating Temperature | -5°C to +55°C |
| Humidity | 5% – 95% |
| Storage Temperature | -40°C to +85°C |
| Power Consumption | ≤ 30 W |
| Module Size | 177 (W) × 20 (H) × 225 (D) mm |
Power Amplifier – BA
| Parameter | Min. | Typical | Max. | Unit |
|---|---|---|---|---|
| Operating Wavelength | 1527.8 | 1550 | 1565.6 | nm |
| Input Power | -15 | — | +5 | dBm |
| Gain | — | 15 | — | dB |
| Output Power | -5 | — | 20 | dBm |
| Gain Flatness | — | 0.6 | 1.5 | dB |
| Noise Figure | — | 5.0 | — | dB |
Line Amplifier – LA
| Parameter | Min. | Typical | Max. | Unit |
|---|---|---|---|---|
| Operating Wavelength | 1527.8 | 1550 | 1565.6 | nm |
| Input Power | -30 | — | -5 | dBm |
| Gain | — | 25 | — | dB |
| Output Power | — | — | 20 | dBm |
| Gain Flatness | — | 0.6 | 1.5 | dB |
| Noise Figure | — | 5.0 | — | dB |
Pre-Amplifier – PA
| Parameter | Min. | Typical | Max. | Unit |
|---|---|---|---|---|
| Operating Wavelength | 1527.8 | 1550 | 1565.6 | nm |
| Input Power | -30 | — | -5 | dBm |
| Gain | — | 25 | — | dB |
| Output Power | — | — | 20 | dBm |
| Input Optical Power Threshold | -30 | — | -40 | dBm |
| Noise Figure | — | 5.0 | — | dB |
| Gain Flatness | — | 0.6 | 1.5 | dB |
Intelligent Cooling & Reliability
Automatic Fan Control: The fan automatically starts when module temperature exceeds approximately 45°C and stops when temperature drops below approximately 40°C.
This intelligent temperature control system helps maintain thermal stability and extends fan operating life.
Applications
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