Unfinished Quick PCB Service Intro

DIfferences with a normal finished PCB: This is a rough introduction about the “unfinished” quick PCB service (Let’s call it UQ-PCB in the following text), what it is? From the meaning of the name, it is not-yet finished, the board have these following differences with normal “finished” board: No solder mask and silk print on

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Impedance Caculator – CIT25

If you are designing high speed high frequency board, or RF design like antenna, the impedance will a important issue the design. For the antenna design, we have a few wireless boards including RF24L01, CC1101, etc all have the on board PCB antenna. Also in the circuit design, trace width, trace isolation will also influence

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