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1、 ADS ADS ( ) ADS ADS ADS ADS ADS File-New Project Filter Length Unit () 3.03.1GHz2dB 1dB2.8GHz3.3GHz 40dB-20dB S S21(S12) S21(S12) S11(S22) Mcfil MLIN MSUB Mcfil MLIN MSUB H:(0.8 mm) Er:(4.3) Mur:(1) Cond:(5.88E+7) Hu:(1.0e+33 mm) T:(0.03 mm) TanD:(1e-4) Roungh:(0 mm) ()MSUB () . 17 50 WTools - Line
2、Calc - Start Linecalc( ) Substrate ParametersMSUB Cpmpnet Parameters(3.05GHz) PhysicalWL ElectricalZ0E_Eff SynthesizeAnalyzeWLZ0 E_Eff 50 Ohm90 deg1.52 mm 13.63 mm() TL1TL21.52 mm2.5 mm( ) 1524LWS WSL mmW1W2 W1W2 Display parameter on schematic VARVAR WLS nameVariable Value Add Optimization/Statistic
3、s Setup Enabled/Disabled L( ) 0.2 mm(0.5 mm) S S Term 12 S ( ) S Random( )Gradient() Goal ExprdB(S(2,1)dB S21 SimlnstanceNameSP1 MinMax Weight RangeVar1 freq RangeMin1RangeMax1 S21 (2 dB40 dB) S11( -20 dB) Simulate ()CurrentEF 0 Simulate - Update Optimization Values (VAR) CurrentEf0 OPTIM Simulate (
4、) S(1,1)S11Add (dB)OK S11 S22S21S12 S11S22S21S12 Marker Marker - NewInstert Marker Marker S11(S22)S21(S12) (1dB ) STerm () Layout - Generate/Update LayoutOK OK ( ) ( MSUB) Momentum - Substrate - Update From Schematic Momentum - Substrate - Create/Modify S Portport OK port( P1P2) Momentum - Simulation - S-parameter Sweep TypeAdaptive 10 ( )Update Simulate ( ) S11S21 S212.5dB1dB 40 dBS11-15dB S ParametersGroup delay VSWR delay(2,1)VSWR S ADS ADS Help ADS Example Prpject Protel 0.01 mm0.2mm Agilent 8714ES S11S22 S21S12 Group delay ADS 50MHz