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Recent content by tlz

  1. T

    Wideband impedance matching

    Thanks for the idea of the simulator, but I need to create .sp1 and all my data for inut and output are in pdf. How can create .sp1?
  2. T

    Wideband impedance matching

    Thank you vfone, do you know a good page for the equations of L, hight pass t and l networl?
  3. T

    Wideband impedance matching

    I'm using an antenna that works in the range from 1 GHz to 3 GHz. I want to match impedances between a cable from the transmitter and the input amplifier and from the output amplifier and the cable to the receiver to get the maximum power and the lossless. I found that there are some techniques...
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    EMC transistors design pcb

    Hi, I read that: To use 2 layer instead of 4 layers, it's better to place ground planes in both layers to minimize the EMI problems. Is it not correct? Decoupling capacitors should be attached to each active components and a larger bulk decoupling capacitor for each voltage distributed on...
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    EMC transistors design pcb

    Hi, I'm designing a PCB really simple with connectors, resistances and transistors. There are some rules that should be followed to pass the EMC test. 1. Using only 2 layer PCB is better to use ground planes in both sides. 2. Place decoupling capacitor between gnd and power in each active...

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