The DiCon GP700 Variable Attenuator Plug-In Module PA-8-62-SC delivers precise optical power control within the GP700 Programmable Fiberoptic Instrument or GP700M Modular Platform. This SC-connectorized module enables dynamic attenuation of optical signals across 62.5/125 µm multimode fiber, supporting complex optical test and network applications that demand repeatable, accurate signal conditioning.
Technical Specifications
Attenuation Performance
• Tuning resolution: 0.01 dB maximum
• Tuning speed: 50 ms minimum to 1400 ms maximum
• Excess loss: 0.8 dB (typical), 1.3 dB (maximum)
• Flatness: ±0.1 dB maximum
• Polarization dependent loss (PDL): 0.2 dB maximum
• Back reflection: -20 dB maximum (50 µm/62.5 µm fiber)
• Repeatability: ±0.1 dB maximum (50 µm/62.5 µm fiber)
• Absolute accuracy: ±0.1 dB maximum (0–20 dB attenuation range)
Optical Interfaces
• Connector type: SC
• Fiber compatibility: 62.5/125 µm multimode
Electrical (GP700 Chassis)
• Input voltage: 100 VAC to 240 VAC
• Maximum power consumption: 150 W
• Fuse: 2 A (typical)
• AC input leakage current: 3.5 mA maximum
– Key Features
• 0.01 dB tuning resolution for fine-grained power adjustment
• Low excess loss (0.8 dB typical) minimizes insertion effects
• Fast settling: 50 ms minimum response time
• Excellent flatness and PDL performance across the operating range
• ±0.1 dB repeatability ensures consistent measurements
• Drop-in compatibility with existing GP700 system infrastructure
– Typical Applications
• Optical component characterization and power level verification
• Fiber optic network testing and commissioning
• Signal conditioning in automated test setups
• Dynamic optical path loss simulation
• Repeatable attenuation calibration and validation
– Compatibility & Integration
Installs directly into any GP700 or GP700M chassis. Control via manual adjustment, IEEE 488.2 (GPIB), or RS-232 interfaces enables integration into standalone or networked test environments.
