平行耦合微帶帶通濾波器設(shè)計(jì)(編輯修改稿)
2024-07-12 01:56 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 ing： cutoff frequency GHz, upper cutoff frequency GHz。 loss in the passband is smaller than 3 dB。 is greater than 50 dB when the normalized frequencies are larger than 2。 relative phase velocity is 60% of the velocity in vacuum. input and output impedance are both 50 Ohm. Use schematic tool to simulate and realize it with the layout tool (Momentum) in ADS. Give both the schematic and layout of the final filter amplifier circuit, detailed simulation procedure, and the simulation results obtained with both the schematic and layout circuit。 ： 依題可得： f1=, f2=, Z0=50? 則：中心頻率： f0= (f1+f2)/2=5GHz 相對(duì)帶寬： BW = (f2f1)/f0= 在 f s2 = GHz 和 f s1 = GHz 上衰減不小于 50 dB(α s =50 dB), 通帶內(nèi)衰減α p 小于 3 dB , 輸入、輸出的特征阻抗均 Z0 =50 ? , 介質(zhì)基片的ε r =（通過(guò)其相速度是真空中光速的 60%計(jì)算得出的） ,其厚度 h =
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