For example: Agilent E4440A or Anritsu 68369
- Test and measurement equipment
- Cables
- Narda
- Narda 3002-20
3002-20 Coaxial Directional Coupler
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Narda 3002-20 Overview
- 0.95 to 2 GHz
- Coupling Coefficient: 20 dB
- Directivity: 30 Db
- Insertion Loss: 0.20
- VSWR: Line Max 1.15
In today's microwave practice, the directional coupler has become a virtually indispensable measurement tool. It provides a simple, convenient, accurate means for sampling microwave energy without moving parts and without the need for adjustments.
Unlike other methods of power sampling involving probes or coupling loops, the directional coupler also provides the important capability of seperating forward from reflected power. By selecting energy traveling only in one direction, accurate VSWR measurements can be made automatically, elliminating the mechanical motion needed with a slotted line.
Attenuation measurements also become more accurate when directional couplers are used since reflection errors are eliminated.