The VIAVI Solutions/JDSU HA9W1+20KSC1 is a programmable optical attenuator that delivers precise, repeatable control of optical signal power across fiber optic communication systems. Built for laboratory and production test environments, this instrument combines wide attenuation range with high accuracy and resolution to support demanding measurement and characterization tasks.
Technical Specifications
• Attenuation Range: Up to 60 dB
• Attenuation Resolution: 0.01 dB
• Attenuation Accuracy: ± 0.1 dB
• Wavelength Range: 750–1700 nm or 1200–1700 nm
• Fiber Type: Multimode 50/125 µm or 62.5/125 µm
• Optical Interface: SC/PC connector, bulkhead-mounted on front panel
• Insertion Loss: 60 dB (discrete internal optical reflections minimized to better than 60 dB)
• Maximum Input Power: 200 mW
• Repeatability: ± 0.005 dB typical; ± 0.01 dB maximum change rate
• Polarization Dependent Loss (PDL): Typical 0.03 dB
• Wavelength Dependence: 90 dB)
– Key Features
• SCPI-compatible command set with HP 8156A compatibility
• Remote control via GPIB (IEEE 488) and RS232
• Built-in calibration and offset functions for display matching to optical power meters
• Inherently linear design across wide power range
• External switch driver output (5 V) on rear panel for 1×1 or 1×2 fiberoptic switch control
– Typical Applications
• Optical power meter testing and validation
• EDFA output power characterization
• Bit Error Rate (BER) testing
• Fiber optic link loss simulation
• CATV AM systems
• High bit-rate digital PCM systems
• Multichannel AM systems
– Compatibility & Integration
LabVIEW drivers are available. The instrument maintains software compatibility with the HP 8157A attenuator platform and supports SCPI protocol for instrument automation.
