微带天线原理及微带天线设计

023023001017CSTCSTCSTS11MICTEMε223AlO1150.6358180.50813220.38128350.2543/wh0860ln()(1)4120(1)[1.3930.667ln(1.44)]hwwZwhhπ
=+≥+++0ceffZZε∴=11(1)(1)22effrrFεεε=++−20.04(1)(1)(1)wwhhwFh
+−≤=≥cZ0.635mmrε9.6cZ150ΩcZ10Ω41,2ll1,2ll2l521()()15mm()2lwhlhλhwlλ≈/2wΔl≈hwlλ≈/23,22rlwλλε==2λGjBBCω=,C000(tan)()tanAGjBYklYGjBYYjGjBkl++=++++mJ2zUhJimm22==λθθθπsincos2)cos2sin(42kwkwreUkwjEjkr−ϕ−=≈λθϕθπ())cos2cos(φlkFT=ϕ022202tanYBklBGY=+−01201/AAwYGZGλ∴==∴=2wλ=Z24031.f0sn2.Δf××dB23.λ2/2π4.s115.6.1cn=135…TEnn=246…TMn241crncfhε=−1/2122rrcWfε−+ =c313GHz250ohm3VSWR1.445dBi5Duroid:rε=2.2h0.762mm1/2139.522rrcWmmfε−+ ==121112(1)(1)[1]2.1422effrrhwεεε−=++−+=0.2040.30.412()()0.40.2580.8effeffwhlhmmwhεε++Δ==−+233.42recLlmmfε∴=−Δ=0100rcmmWfλ==22090wGλ∴=G∴288inR=Ω4λ50ohm288ohn22recLlfε=−Δ50120inZR∴==Ω120ohm1w0.335mmT0.1mmL19mm50ohm0w2.286mmT0.1mmCSTMacroscalculateanalyticallineimpedance1w0.442mm0w2.38mm4CST1CSTworkplace3Dground.substrate50ohm4λpatchpatch2portfieldmoniterS-ParameterMagnitude2.856GHzS-ParameterSmithChartCSTSSmithChart13GHzVoltageStandingWaveRatio(VSWR)3GHzVSWR1.249S-ParameterCST2xpoint[15,29.75]10S[1,1]magnitudephase(3)LLSL3GHzS0.1231.3smithchartCSTCSTaLLS2λbcwLwGjBdLL2mmlΔ5S70MHzQ1QQrεrε12Q2243415FL6SCSTSSHYSS1SvS00vLLZZSZZ−Γ==+2SS211101|irViVSV==21122202|irViVSV==12222101|irViVSV==21111202|irViVSV==121CSTCSTSmithChart9402302300101720051