The Exfo FVA-80-D-32 is a singlemode variable optical attenuator that delivers precise control of optical signal strength across fiber optic networks. This instrument provides 32 dB of attenuation with 0.01 dB optical resolution, making it suitable for laboratory and field applications requiring accurate power level adjustments. The FVA-80-D-32 excels at simulating system loss, performing optical margin analysis, and conducting acceptance testing of communication systems.
## Technical Specifications
• **Wavelength Range:** 1250–1650 nm; calibrated for 1300 nm and 1550 nm
• **Attenuation Range:** 32 dB maximum
• **Insertion Loss:** Less than 3.0 dB
• **Optical Resolution:** 0.01 dB
• **Operating Temperature:** 0 °C to 40 °C
• **Storage Temperature:** −40 °C to 70 °C
• **Humidity:** 0% to 80% non-condensing
• **Power Supply:** AC operation
## Key Features
• Absolute loss mode with insertion loss better than 3.0 dB
• Two relative attenuation display modes for flexible measurement reporting
• Step/scan mode enabling attenuation value modifications in loss and ref/dBm modes
• Programmable mode supporting up to 60 attenuation changes with delays up to 23 hours, 59 minutes, and 59 seconds
• Manual front panel keypad control with fine/coarse adjustment capability
• Programmable control via RS-232 and IEEE-488 (GPIB) interfaces
• Designed for portability across laboratory and field environments
## Typical Applications
• System loss simulation for fiber optic networks
• Optical margin and performance analysis
• Acceptance testing and validation of communication systems
• Power level control and adjustment in test setups
## Compatibility & Integration
RS-232 and IEEE-488 (GPIB) interfaces enable both manual and remote programmable control. Singlemode calibration is performed using FC/UPC connectors. Optional computer interface configurations are available for extended integration into automated test systems.
