xaVNA – A low cost two port Vector Network Analyzer

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https://www.electronics-lab.com/xavna-low-cost-two-port-vector-network-analyzer/

xaVNA is a simple and cheap vector network analyzer that allows you to easily tune up antennas, filters, and amplifiers by plugin it to USB. It is able to display smith charts/graphs on the including PC software. The main board connects to a PC through usb and communicates via a virtual serial port device; the […]

Cheap homemade 30 MHz – 6 GHz vector network analyzer

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https://www.electronics-lab.com/cheap-homemade-30-mhz-6-ghz-vector-network-analyzer/

Henrik Forstén has done amazing job designing a homemade vector analyzer with the goal to fit it’s budget of 200EUR. The design is open source and available on github. Vector network analyzer (VNA) are used to measure scattering parameters of high frequency circuits. When frequency is high enough the reflections of the waves start to […]