FM equipment
FM couplers
FM couplers



  • 3dBC2-C5K0
  • 3dBC2-C12K
  • 3dBC2-C30K
  • 3dBC2-C60K


The 3 dB couplers can be used as power-splitters or as power combiners and their most common application is as components in the design of combiners.

They consist of two identical parallel transmission lines coupled over a length equal or approximately equal to l/4 and mounted in a common exterior conductor.

The couplers are designed to achieve coupling differences in the operating frequency range at the output ports. The phase-shift between the two outputs is always 90° and is independent of frequency. The isolation between these two ports depends heavily on the VSWR of the port loads.

Couplers can be used for air-pressured systems on request.

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