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Agilent 8156A Option 201

The Agilent/HP 8156A Attenuator option 201 is a high performance 9 µm singlemode attenuator offering a 60 dB attenuation range and is equipped with HPIB (GPIB) control. The 8156A can be programmed to perform automatic up and down attenuation sweeps. When properly calibrated, the 8156A attenuation is automatically corrected for the entered wavelength. Option 201 is the 60 dB high return loss model. The HP Agilent 8156A opt.201 offers a typical insertion loss of 2.5 dB. The 8156A-201 typical accuracy is ± 0.05dB.

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USD $999.00
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Agilent HP 8156A Optical Attenuator mainframe (non-modular) with Option 201.

Specifications at a glance for the Agilent 8156A Opt 201:


  • Wavelength Range: 1200 to 1650 nm
  • Attenuation Range: 60 dB (excluding insertion loss)
  • Fiber Type: 9/125 µm single-mode
  • Connector Type: Angle contact
  • Return Loss: >60 dB
  • Insertion Loss (typ.): 2.5 dB
  • Attenuation Accuracy (linearity) Typical: <±0.1 dB
  • Resolution: 0.001 dB
  • Maximum Input Level: 23 dB

List of possible options for the 8156A:

  • Option 100: Standard Performance Version
  • Option 101: High Performance Version
  • Option 201: High Performance, High Return Loss Version
  • Option 121: High Performance Version, Monitor Output
  • Option 221: High Performance Version, High Return Loss Version, Monitor Output

Additional Information

Two connectors interfaces are required for each Agilent 8156A. Each connector is sold separately.

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Specification DataSheet


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