矩形天线计算：项目频率f(MHz)角频率ω(MHz)矩形长度(cm)矩形宽度(cm)矩形周长L1(cm)线圈线宽d(cm)线圈匝数N电感L(nH)串联电阻r(Ω)Q值等效电容C(pF)等效电阻Z(Ω)调谐电容C1(pF)调谐电容C2(pF)带宽B频率范围下限频率范围上限值13.5685.199992776.006.0024.000.1012325.0940262.61175.8705454759.2409845062.773756671000.0593490.17872548513.3812745213.738725482*π*f公式(矩形长度+矩形宽度)*22*L1*(LN(L1/d)-1.48)*POWER(N,1.8)2*π*f*L/r1/(POWER(ω,2)*L)1/(POWER(ω,2)*L-ω*SQRT(Z*r-POWER(r,2)))SQRT(Z*r-POWER(r,2))/(ω*Z*r)项目频率f(MHz)角频率ω(MHz)调谐电容C2(pF)等效电阻Z(Ω)值13.5685.199992772*π*f100050公式环绕线圈1.8Etched(蚀刻)线圈1.7印刷电路板线圈1.5..1.7
串联电阻r(Ω)49.81918032Z/(POWER(ω,2)*Z*POWER(C2,2)+1)5..1.7
