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what is meaning of S11, S12,S13......? - Forum for Electronics 地球最多的危險物質Σ(;゚д゚)...If you want more information about S parameters, you can read "Microwave Engineering" by David M. Pozar. This book explain about S parameters with clear enough. For antenna example, S11 is ok when the value is usually below -10 dB. While S21, S12, etc. is...
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