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VNA TestBed (SMA) v1

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0.2mm layer, 2 walls, 12% infill
0.2mm layer, 2 walls, 12% infill
Designer
28 min
1 plate

Open in Bambu Studio
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Bill of Materials

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  • LegExtensions x 1: M2.5_PCB_Spacers

Description

This is a simple testbed designed to test SMA antennas with the Nano VNA.  I wanted a reliable way to get a known ground plane and stable platform with known cable distance and impedance, making the Antenna under testing the largest moving variable.

The center hole is ~6.4mm to accomodate the ¼" SMA threaded diameter of the Female connector.

The legs are short but have a ~2.5mm hollow core for easy mounting on dowels, or to self-tap M2.5 risers (shown in the example images).

Suggestions and improvements welcome!

 

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