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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.
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...
I'm working on a project which involves some old conference interpreter consoles from around 2008. They were designed to work with seperate distributor boxes into which you plug a floor signal from the venue PA system and it passes that to all the consoles. In return, the consoles pass their...
Hi
I am in search of commercially available impedance matching transfer with following characteristics:
1. Input Impedance = 50 ohm, Output Impedance =25 ohm
2. Operating Frequency Range: 400 -450 KHz
3. Signal type : Pulsed CW/Linear or Hyperbolic Frequency Modulated
4. Power Handling...
Hi,
I have a 40W audio amplifier which is designed to drive speakers down to 4 ohms. I also have a power transformer which obviously behaves nothing like a speaker. If I hook the amp directly to the transformer, it sort of works, but will trip the protection circuits much of the time.
If I add...
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