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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

vna

  1. A

    unexpected behavior of the matching components

    Hello, I'm using the Smith chart on a VNA to determine the matching circuit for my PCB (an RF switch (LoRa, WiFi and GNSS) and an antenna (NN02-224)). I found the matching networks for GNSS and LoRa using theory, and the VNA shows good results. However, for WiFi, I couldn't get a good match...
  2. F

    S-Parameters in Magnitude and Phase Angle on the Nano VNA?

    Hi folks, I'm thinking of getting a nano vna to measure the S-Parameters of RF transistors. One thing I noticed is that I've only seen the magnitude expressed in dB. I'm used to it expressed in absolute value of the magnitude. How do I set the instrument to read the absolute value of...
  3. C

    Using an antenna analyzer as a network analyzer...

    I've searched the Web, but I can find no mention of using a common USB antenna analyzer (such as the Mini60/SARK-100 with software) to graph the band-pass of an HF filter. To me, it seems like a no-brainer, but perhaps I'm missing something critical here: Antenna analyzer-->LPF/HPF/BPF...

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