For example: Agilent E4440A or Anritsu 68369
- Test and measurement equipment
- Optical
- Keysight / Agilent
- Keysight / Agilent 11890A
Singlemode Lightwave Directional Coupler
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Keysight / Agilent 11890A Overview
The 11890A is a three-port, directional coupler used for making reflection measurements and monitoring transmission signals. The coupling Factor is 3dB nominal.
