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Currently one 450MHz PIFA project is running in my company. The dimension of antenna is 35mm*16mm*7mm. The length of PCB is 80mm. The simulation and pratical test result are both -10dBi gain. It means efficiency is about 10%!!!
Is there anybody have the experience of similar project before? I...
hfss radiation efficiency
I made one PIFA in GSM band. The measured efficiency is . The simulation result is 91-93% by HFSS and 84-96% by CST MWS. The material are loss.(Copper,conductivity 5.7e7 S/m, Polycarbonate:2.7;0.02). Hope to get some ideas from profesionals.
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