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Tektronix TOP400 Optical Attenuator
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Tektronix TOP400 Optical Attenuator



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Applications:

  • System Loss Measurements
  • Optical Troubleshooting
  • Fault Location
  • Installation
  • Maintenance
  • Optical Links
  • Research
 Features:
  • Ideal for Testing System Headroom
  • Passive Device - No Power Required
  • Adjustable Attenuation


  Description

TOP400 Optical Attenuator

  • Universal connector interface (UCI)
  • Less than 2 dB insertion loss

The Tektronix TOP400 is a handheld optical attenuator. Its superior design allows it to have less than 2 dB of insertion loss. The TOP400, when used with an optical power meter and source, allows the user to manually dial in attenuation to determine system headroom. It is a passive device and does not require any batteries or power for operation.

The TOP400 uses a proprietary scheme for the attenuating mechanism. The small size and large dial indicator make this instrument an indispensable tool for fiber optic line commissioning, bit error rate (BER) measurements, system margin analysis and receiver sensitivity testing. All optical connections are via the precision Universal Connector Interface (UCI) which offers low insertion loss, low return loss and excellent stability.


  Models, Options, & Accessories


Model Description List Price Sale Price
TOP400 ATTENUATOR; OPTICAL ATTENUATOR - CERTIFICATE OF TRACEABLE CALIBRATION STANDARD - Discontinued - no replacement
Model Accessories List Price Sale Price
TOP400 37 DIA2.5; UNIVERSAL ADAPTER - Discontinued - no replacement


  Specifications

Optical
Insertion Loss <2 dB (1.25 dB typical)
Attenuation Range 0 to 35 dB
Return Loss <-40 dB (with FC, ST, SC and DIN connectors)
Connector Interface Universal Connector Interface (UCI)
Environmental
Temperature
Operating -15°C to +60°C 0 to 95% RH (noncondensing).
Storage -35°C to +70°C 0 to 95% RH (noncondensing).
Physical
Dimensions mm in.
Width 72 2.8
Height 142 5.6
Depth 36 1.4
Weight g oz.
Net 230 8.1


   
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