Technical Notes Home / Resources / Technical Notes Krytar Directional Coupler 2 – 50 GH Krytar 3 dB 90 Degree Hybrids. Covers 0.5 – 40 GHz Krytar 180 Degree Hybrids. Control Signals from 1 to 26.5 GHz Krytar Directional Detector. Samples 2 to 40 GHz Precision Coaxial Terminations DC to 50 GHz Krytar Microwave Detectors 10 MHz to 40 GHz testing and term definition Krytar 180 Degree Hybrids testing and term definition