The EXFO FVA-80 is a precision optical variable attenuator designed to control optical power levels in fiber optic systems. It simulates signal loss across diverse network environments, enabling accurate BER testing, system calibration, and performance validation. Built for high accuracy, stability, and repeatability, the FVA-80 serves laboratory research and field deployment in network design, testing, and maintenance.
## Technical Specifications
• **Attenuation Range:** 0 to 80 dB (typical)
• **Insertion Loss:** Low insertion loss (connector type and attenuation level dependent)
• **Accuracy:** High attenuation setting accuracy for repeatable testing
• **Repeatability:** Consistent attenuation over multiple operations
• **Stability:** Stable optical power output with minimized drift
• **Return Loss:** High return loss to minimize signal reflections
• **Polarization Dependent Loss (PDL):** Minimized across operating range
• **Control Interface:** User-friendly precision attenuation adjustment
• **Power Meter Integration:** Compatible with optical power meters for closed-loop control
## Optical Specifications
• **Wavelength Range:** Specified across common telecommunication wavelengths (configuration-dependent)
• **Connector Types:** Compatible with industry-standard connectors (FC/PC, SC/PC, LC/PC); UPC/APC specification dependent on unit configuration
• **Fiber Support:** Single-mode (SMF) and multimode (MMF) fiber compatibility (model variant dependent)
## Key Features
• Precise optical power control for network simulation
• Designed for both laboratory and field applications
• Consistent performance across repeated measurements
• Integration capability with power measurement instrumentation
## Typical Applications
• Bit Error Rate (BER) testing
• System calibration and performance validation
• Signal loss simulation in fiber optic networks
• Comparative testing requiring stable attenuation levels
## Compatibility & Integration
The FVA-80 accommodates standard fiber optic connector formats and integrates with compatible optical power meters for automated power control workflows. Connector type and fiber mode selection should match your existing infrastructure specifications.
