hforsten

@hforsten.com

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Electrical engineer. RF electronics, IC design, radars, FPGA, programming. hforsten.com

With 1 µm copper plating on thick nickel, the effective conductivity is better than if the trace was made fully from copper.
Vivaldi antenna on FR4 PCB with corrugations and director.
Uncalibrated SAR image
Polarimetric synthetic aperture radar image
Global backprojection vs fast factorized backprojection image quality. The biggest difference is larger sidelobes on the brightest target in the FFBP image.
Dual directional bridge coupler PCB.
Two test PCBs with 3.5 mm and SMA connectors
Bias-T outside