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Thank you for your reply. I tried to use loop antenna with 7 turns and dimesion 80mm x 40mm the S11 parameter is -25dB, but the results are very poor. Attenuation is 80dB on 5m distance. This antenna generate strong magnetic field but very weak electic field. I want to try build one of the...
Antenna for 13.56MHz ISM frequency band
Hi, guys. I want to build antenna for 13.56MHz ISM band. I want to ask you if it is possible build it on PCB not bigger than credit card. If yes, which type of antena do you recomend me (mopol, dipol, loop, inverted L, meander)? I need transmition...
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