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Recent content by mdusan

  1. M

    Build loop PCB antenna for EM4095 RFID Reader

    em4095 anténa Hi, thanks for the information. I didn't used any simulation software. I will download some of the suggested and give it a try. I made a prototype with 16 turn PCB antenna, 20mil track width and 20mil spacing. Dimensions of the outer antenna turn are about the same as standard...
  2. M

    Build loop PCB antenna for EM4095 RFID Reader

    em4095 problem Hi, the antenna frequency is 125KHz. Regarding the solution I didn't succeeded to calculate L and Q factor. Best regards.
  3. M

    Build loop PCB antenna for EM4095 RFID Reader

    em4095.c Hi, I suppose that these parameters aren't actually so rigid but i have to calculate antenna L and Q factor in order to calculate values of capacitors needed in the antenna circuit. Best regards.
  4. M

    Build loop PCB antenna for EM4095 RFID Reader

    em4095 Hi, I'm building RFID Reader with EM4095 and I want to implement loop PCB antenna. I was wondering if you can give me some guidelines for calculating the copper thickness, track width and width constraint and also number of loops and antenna dimensions. Can you point me to some...
  5. M

    Matching EM4095 RFID Reader with Tag

    em4095 rfid reader Hi, I want to use EM4095 IC to build RFID Reader. I would like to use 125KHz Tags that sends Manchester code. I know that EM Microelectronic have tags like EM4100, but I was wondering if you can tell me some of the manufacturers of Plastic Card tags with this IC or any other...
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