High Directivity Directional Coupler using air striplines customized

AV80603 Directional Coupler General Description: The AV80603 Directional Coupler is designed using air striplines, which is characterized by excellent coupling flatness, high directivity, etc. The coupler can be customized per demands of users. Functional Diagram Specifications (Conditions: Ta= 25℃) Parameter Min. Typ. Max. Units Frequency 2-18 GHz Coupling - 40 - dB Coupling Flatness - ±2 - dB Directivity 21 24 - dB Insertion Loss - 0.8 1 dB Return Loss 16 18 - dB Rating