スラスラ読めるSパラメータ - Teledyne LeCroy

1 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters S S Dr. Eric Bogatin, Signal Integrity Evangelist, Bogatin Enterprises a LeCroy 2011 Bogatin Enterprises andLeCroy CorpNo Myths Allowed Webinar : Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters S : Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Web My Blog Slide-3 : 9 28 -29 : 10 10 -11 : 10 13 -14 : 10 18 : 10 20 : 10 21 : 11 8 -10 Prentice Hall , 2009 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Quite UniversalCircuit Simulator (QUCS) S SI Studio S Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters 10%.

2 SPSI, 2011 9 28 DPD, 2011 9 29 EPSI, 2011 11 8 -9 SPSI, 2011 11 10 NMA1109A Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters TXRX1. S 2. S Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters DUT S11S21 TDRTDTt t = Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-ParametersS ? ( ) : : .s1p: 1 .s2p: 2 .. MHzS dB 50 S11= 1 1 S12= 2 1 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-ParametersS 123456789010-30-20-10-400freq, GHzDifferential Response5 Gbps @ RXU1 CMOS,3.

3 3V ,FA r t 1 Po r t 2Po r t 3 Po r t r t 1 Po r t 2Po r t 3 Po r t 4U2 CMOS, , FA inCoupled r t 1 Po r t 2Po r t 3 Po r t 4123456789010-30-20-10-400freq, GHzDifferential Response, dB123456789010-30-20-10-400freq, GHzDifferential Response, dBS S SPICE broad band SPICE : Simbeor, HyperLynx, ADS,Sigrity, SiSoft .. SPICE Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters ? Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters S S T Tparame-ta Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters2 S S11: 50 S21: DUTM agnitude/phase detectorZ0=50 50 Z0=50 VSOURCEM agnitude/phase detector :S11: dB S21.

4 DB S S Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-ParametersS11 S21 4 S11 S21 : S21 : : ( Q), Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Len<<1/4 180 S11 dB , S21 0 dbZ0<50 50 50 Len << 1/4 1/2S21 S11 00000 S21S11 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters 1/4 S11 S21 Len = ( x n + ) S11 S21 Z0<50 50 50 Len << 1/4 1/2S21 S11 00000 Len =1/4 1/2S11 0 +0 +01/41/23/4S21S11S21 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-ParametersZ0 50 Len = n x S21 g Z0<50 50 50 Len << 1/4 1/2S21 S11 00000 Len =1/4 1/2S11 +0 +01/41/23/4S21S11 Len =1/2 1/2S11 +01+011/2S21 S21 11/2 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters S21=VoutVinVout(d)

5 =Vine- d=Vin10-d S21 nepers/len dB/len20S21[in db]=20 x log =- [dB/in] x d = attenuationVoutVin Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters50 dB/inchw = (mils f in GHz Dk = Df = w = 5 milsDk = 4Df = f + x f x Df x Dk1 WattenLen-GHz -( x f x Df x Dk ) dB/inch/GHz Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-ParametersThe Wave Stub Resonance2 x TD = cycle TD = cycle 4 1 : Len = fres = 3 GHzTD, Lenstub2 x TDTD=Len6innsecTD=1 14 fresfres= =1 14 f GHz Len Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Wave Resonance in theFrequency DomainLenstubfres= 1 14 TD= fres= 3 GHz 3 GHz 6 Gbps Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters ( ))

6 Len Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Q Q Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters4 Len = fres= GHz Len = fres= GHzLen = fres= GHzfres= = 12 GHz 3 GHzDk 2 x Len Len Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-ParametersS11 S21 4 S11 S21 : S21 : : ( Q), Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters ?

7 ( ) ( ) SDD21 - ?- - - ???20 GHz 2 SDD21 10 GHz ?- ?- - ?- ?- ?Dip at 14 GHzBob Haller, Enterasys S ? Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters ?SDD21 SDD11 SCD11 SCD21 :SCD11, SCD21 SDD11 SCD11 SCD21 Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters S , 4 S Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Bogatin Enterprises, LLC, a LeCroy Company 2011 Slide Mining S-Parameters Web My Blog Slide-30 : 9 28 -29 : 10 10 -11 : 10 13 -14 : 10 18 : 10 20 : 10 21 : 11 8 -10 Prentice Hall , 2009.

8 Quite Universal CircuitSimulator (QUCS) LeCroy s SI Studio