Applications Home / Resources / Applications Directional Coupler Primer. Microwave or RF Amplifier Test Setup. External Leveling Loop for a Microwave Signal Generator. Inexpensive Scaler Measurement of a Band Pass Filter. Detector Risetime Vs. Performance – Performance Comparisons: Planar Doped Barrier Vs Zero Bias Schottky Detectors. Krytar Directional Couplers: Term Definitions, Testing, and Typical Applications. “180-Deg. Hybrids Control Signals From 2 to 20 GHz”, Microwaves & RF article, December 1988. “Precision Coaxial Terminations Offer Low SWR and Mechanical Reliability”, Microwave Journal article, February 1989. “Microwave Power Meter Adds Potent Options”, Microwaves & RF article, October 1997. “Broadband, 3dB 90° Hybrids Cover 1 to 18 GHz”, Microwave Journal article, September 1985. “Coaxial Coupler and Directional Detector Sample 2 to 40 GHz”, Microwaves & RF article, May 1987. “Microwave Legends”, Microwaves & RF article, August 2006.