PCB0041 Vivaldi Business Card Antenna

PCB0041 Vivaldi Business Card Antenna

This functional business card sized antenna works well from about 2 to 10 GHz. It has forward gain averaging 4 to 6 dBi and a peak gain of 10 dBi at 6.75 GHz. A full 1300 MHz to 18 GHz forward (and peak) gain graph is shown below.

It is fed by a soldered down section of semi-rigid coax as shown in the photographs below. For convenience, just use a scrap of coax that is already terminated with an SMA. Connect the center and shield of the coax to opposite sides of the tapered slot, keeping your dimensions as small as possible. The feed-line exits from the rear of the antenna as shown.

A full Excel spreadsheet 3D gain results report can be downloaded HERE. This extensive test program covers full 3D spherical gain patterns at 1671 stepped frequencies from 1300 MHz to 18 GHz in 10 MHz steps. The test report details higher level performance data, such as: Forward Gain, Peak Gain, Radiation Efficiency, and VSWR/Return-Loss vs Frequency.

The full set of 1671 spherical plot-files can be downloaded HERE in “zipped” format. Unzip and use this plot-file along with our downloadable 3D plotting software HERE. Then create rotate-able/scale-able 3D plots on your own desktop at any test frequency.

Please remember – We can test your antenna project too! We have a full range of testing services listed HERE 

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We hope you enjoy your sample antenna. We do not offer antenna design services here so that we may focus customer design confidentiality. These “biz card” antennas are just for fun, and they are not for sale.