homework #3 - university of texas at dallasrmh072000/hw_3.pdf · z=50 ohm num=4 term term3 z=50 ohm...
TRANSCRIPT
Homework #3
Introduction to AWR and/or ADS;
Transmission Lines
1. ADS filter optimization
1. Result with L and C finals
1. MWO filter optimization
2. Appropriate line widths for TMLS
Source Impedance (Ohms)
Microstrip
width (mm)
Stripline
width (mm)
CPW
width (mm)
CPW
gap (mm)
TML
calculator 3.81 2.08 2 0.0001
50 1.143 0.63 2 0.08
100 0.3429 0.16 2 1
TXLine 20 3.92 2.03 No solution No solution
50 1.16 0.603 0.078 0.0150 1.16 0.603 0.078 0.01
100 0.327 0.145 0.055 0.05
100 na na 0.872 0.5
100 na na 2.03 1
Linecalc 20 3.91 2.028 105 0.008
50 1.16 0.603 0.0614 0.01
50 na na 0.249 0.02
50 na na 5 110
100 0.325 0.145 0.0097 0.002
100 na na 0.05 0.00895
2. Linecalc in ADS
CPWSUBCPWSub1
Mur=1Er=2.2H=1 mm
CPWSub
SSUBSSub1
T=10 umB=0.762 mmMur=1Er=2.2
SSub
MSUBMSub1
Cond=4.1e7Mur=1Er=2.2H=0.381 mm
MSub
S_ParamSP1
Step=1.0 GHzStop=15.0 GHzStart=1.0 GHz
S-PARAMETERS MLINTL3
L=5.25 mmW=3.912 mmSubst="MSub1"
SLINTL2
L=5.053 mmW=2.028 mmSubst="SSub1"
TermTerm4
Z=50 OhmNum=4
TermTerm3
Z=50 OhmNum=3
TermTerm2
Z=50 OhmNum=2
TermTerm1
Z=50 OhmNum=1
ADS, 20 Ohm design (mstrip, cpw, stripline)
2 4 6 8 10 12 140 16
-15
-10
-5
-20
0
freq, GHz
dB(S
(1,1
))dB
(S(3
,3))
dB(S
(5,5
))
2 4 6 8 10 12 140 16
-3
-2
-1
-4
0
freq, GHz
dB(S
(2,1
))dB
(S(4
,3))
dB(S
(6,5
))
Rough=0 umTanD=0.0002T=10 umCond=4.1e7Mur=1
TanD=0Cond=4.1e7T=10 um
Rough=0 umTanD=0.002T=10 umHu=1.0e+36 umCond=4.1e7
CPWCPW1
L=6.566 mmG=0.008 mmW=105 mmSubst="CPWSub1"
TermTerm6
Z=50 OhmNum=6
TermTerm5
Z=50 OhmNum=5
CPWSUBCPWSub1
T=10 umCond=4.1e7Mur=1Er=2.2H=1 mm
CPWSub
SSUBSSub1
TanD=0Cond=4.1e7T=10 umB=0.762 mmMur=1Er=2.2
SSub
S_ParamSP1
Step=1.0 GHzStop=15.0 GHzStart=1.0 GHz
S-PARAMETERS
SLINTL2
L=5.053 mmW=0.603 mmSubst="SSub1"
MLINTL1
L=5.458 mmW=1.159 mmSubst="MSub1"
TermTerm4
Z=50 OhmNum=4
TermTerm3
Z=50 OhmNum=3
TermTerm2
Z=50 OhmNum=2
TermTerm1
Z=50 OhmNum=1
ADS, 50 Ohm design (mstrip, cpw, stripline)
2 4 6 8 10 12 140 16
-60
-40
-20
-80
0
freq, GHz
dB
(S(1
,1))
dB
(S(3
,3))
dB
(S(5
,5))
2 4 6 8 10 12 140 16
-0.4
-0.3
-0.2
-0.1
-0.5
0.0
freq, GHz
dB
(S(2
,1))
dB
(S(4
,3))
dB
(S(6
,5))
Rough=0 umTanD=0.0002T=10 um
MSUBMSub1
Rough=0 umTanD=0.002T=10 umHu=1.0e+36 umCond=4.1e7Mur=1Er=2.2H=0.381 mm
MSub
CPWCPW1
L=6.310 mmG=0.020 mmW=0.249 mmSubst="CPWSub1"
TermTerm6
Z=50 OhmNum=6
TermTerm5
Z=50 OhmNum=5
CPWSUBCPWSub1
T=10 umCond=4.1e7Mur=1Er=2.2H=1 mm
CPWSub
MSUBMSub1
T=10 umHu=1.0e+36 umCond=4.1e7Mur=1Er=2.2H=0.381 mm
MSub
S_ParamSP1
Step=1.0 GHzStop=15.0 GHzStart=1.0 GHz
S-PARAMETERS
SSUBSSub1
T=10 umB=0.762 mmMur=1Er=2.2
SSub
SLINTL2
L=5.053 mmW=0.145 mmSubst="SSub1"
MLINTL4
L=5.66 mmW=0.325 mmSubst="MSub1"
TermTerm6Term
TermTerm4
Z=50 OhmNum=4
TermTerm3
Z=50 OhmNum=3
TermTerm2
Z=50 OhmNum=2
TermTerm1
Z=50 OhmNum=1
ADS, 100 Ohm design (mstrip, cpw, stripline)
Rough=0 umTanD=0.0002T=10 um
Rough=0 umTanD=0.002T=10 um
TanD=0Cond=4.1e7T=10 um
CPWCPW1
L=6.309 mmG=0.02 mmW=0.0097 mmSubst="CPWSub1"
Term6
Z=50 OhmNum=6
TermTerm5
Z=50 OhmNum=5
2 4 6 8 10 12 140 16
-15
-10
-5
-20
0
freq, GHz
dB
(S(1
,1))
dB
(S(3
,3))
dB
(S(5
,5))
2 4 6 8 10 12 140 16
-2.0
-1.5
-1.0
-0.5
-2.5
0.0
freq, GHz
dB(S
(2,1
))dB
(S(4
,3))
dB(S
(6,5
))
MWO, 20 Ohm design (mstrip, cpw, stripline)
S11S21
MWO, 50 Ohm design (mstrip, cpw, stripline)
MWO, 100 Ohm design (mstrip, cpw, stripline)