FVA-3150 EXFO Optical Attenuator

Main features：

• Wavelength range: 1260–1650 nm, covering O/E/S/C/L single-mode fiber communication bands
• Attenuation range: 0–60 dB with 0.01 dB minimum step size
• Insertion loss: ≤1.0 dB (typical), including connector loss
• Return loss: ≥55 dB with high reflection suppression design
• Resolution: 0.001 dB in ultra-high precision adjustment mode
• Repeatability: ±0.03 dB with precision mechanical adjustment structure
• Connector type: FC/APC (standard), optional FC/PC or SC/APC
• Maximum input power: 500 mW for high-power test environments
• Communication interface: USB/RS-232/GPIB with SCPI remote control support
• Typical applications: High-speed optical module testing, DWDM system verification, fiber optic sensor network power adjustment

Consultation

Position: Home

Products

FVA-3150 EXFO Optical Attenuator

Overview

EXFO FVA-3150 Variable Optical Attenuator - Product Overview

The EXFO FVA-3150 is a high-precision programmable optical attenuator specifically designed for high-speed optical communication system testing. With its exceptional attenuation accuracy and stability, it serves as a core testing instrument for 100G/400G optical modules, DWDM system verification, and fiber optic sensing networks. Below is a detailed introduction covering four key aspects: core specifications, features, application scenarios, and compatibility.

1. Key Specifications Table

Parameter Category	Technical Specifications	Notes
Wavelength Range	1260-1650 nm	Covers O/E/S/C/L bands
Attenuation Range	0-60 dB	Minimum step size: 0.01 dB
Insertion Loss	≤1.0 dB (typical)	Includes connector loss
Return Loss	≥55 dB	High reflection suppression design
Resolution	0.001 dB	Ultra-high precision mode
Repeatability	±0.03 dB	Precision mechanical adjustment structure
Connector Type	FC/APC (standard)	Optional FC/PC or SC/APC
Maximum Input Power	500 mW	Supports high-power test environments
Communication Interface	USB/RS-232/GPIB	SCPI remote control support
Response Time	<10 ms	Fast stabilization mode

2. Key Features

Ultra-High Precision Control
Features patented precision mechanical structure achieving 0.001 dB resolution, meeting demanding testing requirements for coherent optical communication systems.
Excellent Return Loss Performance
≥55 dB return loss effectively prevents reflected light interference in test systems.
Multi-Protocol Control Interfaces
Simultaneously supports USB/RS-232/GPIB interfaces, compatible with various automated test platforms.
Fast Response Mode
<10 ms rapid response time, particularly suitable for dynamic optical power adjustment scenarios.
Temperature Compensation Technology
Built-in temperature sensor automatically compensates for environmental temperature variations.

3. Application Scenarios & Recommended Configurations

Application Field	Testing Requirements	Recommended Equipment
100G/400G Modules	Receiver sensitivity testing	EXFO IQS-6000 Test Platform
DWDM Systems	Channel power equalization	EXFO FTB-500 Test Platform
Fiber Optic Sensing	Distributed sensing network power adjustment	EXFO MAX-700 Optical Switch
R&D Laboratories	High-precision optical path control	EXFO OSICS Platform

4. Compatibility Statement

Mechanical Compatibility: Compatible with standard FC/APC connectors, optional FC/PC or SC/APC interfaces
System Compatibility: Fully compatible with EXFO FTB/IQS series test platforms
Software Compatibility: Supports EXFO TestFlow automated test software

5. Product Advantages Summary

Industry-Leading Precision: 0.001 dB resolution sets new industry standards
Exceptional Stability: ±0.03 dB repeatability ensures testing reliability
Wide Applicability: Complete testing solution from R&D to production
Intelligent Control: Supports multiple programming control methods