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  1. vaka85

    RF 5 GHz circuit design [Beginner]

    yes, you're right, there are a lot of things that I should study... I'll give a look at smith chart. Thank you for your advices
  2. vaka85

    RF 5 GHz circuit design [Beginner]

    uhm... "The open SMA connect is already open"... I don't know... if it's true, so what's the utility of the "open sma connector" that some company sell (like the one that peter said). In addiction, someone told me that if I leave only the sma open, the impedance wouldn't be good. He told me...
  3. vaka85

    RF 5 GHz circuit design [Beginner]

    Thank you for the explanation. However, I haven't done any calculation, I've used the txline tool that came with Microwave Office. Here is the result: then I've done track with length and width as showed in the picture..
  4. vaka85

    RF 5 GHz circuit design [Beginner]

    @ pstuckey: You're right, but here in Italy is very hard to find these things... I'll try to contact their distributor, thanks. @ VE1BLL: since I am a complete beginner in RF circuit design, I don't know exactly if I'm following the correct way. I need a sma open and a sma short-circuited, and...
  5. vaka85

    RF 5 GHz circuit design [Beginner]

    Sorry, I haven't provided enough informations... The goal of my little project is to design a load for an uwb switch. I've made some changes since the first post. Since the switch has to "switch" from an open position and a short-circuited position, I've to design this 2 loads, considering the...
  6. vaka85

    RF 5 GHz circuit design [Beginner]

    Hi all, very interesting forum!! I hope you can solve my problem: I have to design a small pcb working at about 5 GHz, and I don't know how to start exactly... It's very simple, 2 sma connectors and 1 resistor. Here is the schematic: And here is what I've done sofar in Microwave Office...

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