40 dB – WR-90 Waveguide Crossguide Coupler – 8.2 GHz to 12.5 GHz

Service Description

End Product

The FMWCP1084S-40 is a 40 dB WR-90 three-port crossguide coupler with an integrated SMA female connector on the coupled port. This coupler can be mounted directly into the waveguide signal path and connected via coaxial cable for signal sampling or monitoring. It features a typical VSWR of 1.1:1 and is constructed from aluminum with UG cover flanges. The FMWCP1084S-40 is part of a family of crossguide couplers offered by Fairview Microwave, with coupling values ranging from 20 to 50 dB.

• Frequency Range: 8.2 to 12.5 GHz
• Nominal Coupling Level: 40 dB
• Coupling Accuracy: ±1.5 dB
• Directivity: 18 dB
• Insertion Loss: 0.1 dB
• Main Line VSWR: 1.1:1
• Secondary Line VSWR: 1.25:1
• Input Power (CW): up to 600 Watts
• Input Power (Peak): up to 200 kW

Mechanical

• Length: 3.346 in [84.99 mm]
• Width: 2.756 in [70 mm]
• Height: 2.45 in [62.23 mm]
• Weight: 0.441 lbs [200.03 g]

Interface

• Waveguide Size: WR-90
• Flange Type: UG Cover
• RF Connector Type: SMA Female

This WR-90 waveguide crossguide coupler features a 40 dB nominal coupling, UG cover flanges, and an integrated SMA female connector on the coupled port. Operating from 8.2 GHz to 12.5 GHz, this aluminum-constructed coupler offers excellent performance with a low VSWR and robust directivity.