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Recent content by Calvinckc

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    Tips for designing three bandpass filters

    Re: RF Bandpass Filter I designed and simulated the three filters, but it won't work when it is implemented..........could any one suggest some ways or program to design it ??
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    Tips for designing three bandpass filters

    RF Bandpass Filter Is there any tips for designing three bandpass filters with lumped components ??? They are 50~150MHz, 150~250MHz and 250~860Mhz. Also the slope is 20dB/decade.
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    What things should a junior RF engineer learn ??

    You guys give me valuable suggestion!! thank you very much ^_^
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    RF Safety- is RF field harmful with longer exposures?

    RF Safety you are right ! you have given an detailed explanation . Then, what power level is harmful and we need to take notice about it ??
  5. C

    RF Safety- is RF field harmful with longer exposures?

    RF Safety Is it harmful for a human body exposure to RF field for a long time ?? Because I always feel headache or dizzy when doing the measurement each time .....
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    What things should a junior RF engineer learn ??

    What things should a junior RF engineer learn nowadays except just learning RF from many RF books ?? I am puzzled because there is only one senior RF engineer in my company and he has no time to teach me because of his heavy work load ......
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    Whats the important considerations for RF PCB layout?

    RF PCB experience For RF PCB layout, what important things we need to take notice except using the shortest transmission line or the input port should be far away from the output port ?
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    wideband LNA design technique

    For using wideband transistor, that means it just needs a simple matching network ???
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    wideband LNA design technique

    In order to design a wideband amplifier, instead of using mismatch, what other factors are needed to take consideration to design ?
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    Do you always need to place ground planes in RF PCB drawing?

    rf pcb drawing On drawing double layers PCB for RF, it is always necessary to place ground plane on both sides. The problem is that, why is it necessary to avoid placing the ground plane around the RF filter and microstrip inductor ?? is it the paracistic cap. problem or others ?? thank you :)
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    How to design an wideband(0.95~2.15GHz) LNA with 15dB gain?

    is it suitable to choose the center frequency(1.55GHz) to design the LNA ??

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