LineCalc

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LineCalc Libra ????
????????? ??????? ??? ??? ??? Tel.
07-5252000-4119 Web. http//mcl.ee.nsysu.edu.tw
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??

• ????
• ???(Microstrip)??
• LineCalc ????
• LineCalc?????????
• Libra ??
• Libra????????

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??

• EESOF3?HP??????????????,????????????EESOF3????????
  ??LineCALC??????????????????,??????????Libra
  ,???????????????? LineCALC????????????,????????,??
  ?????,???????,???? ? Libra ?????????????,?????????
  ?
• ????????????????,?AWR Microwave Office?Ansoft
  Designer??Agilent ADS,??????????EESOF3???

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???(Microstrip)??
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LineCalc ????
?.???EESOF3??????,??linecalc??ENTER,????LINECAL
C????????,???????linecalc,?????? ?.???ShiftF1
0????,????,LINECALC???????????Are you sure
??????Y,?????"N"Save data???????????,?Y,???
N?
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LineCalc ????

• LineCalc????????5???,?????

?. ??????,?????????????
????????
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LineCalc ????

• ?. ?????
• ???????????????,?????,??????????????????????,
  ???????????????
• ?????????????

MSUB ???? H????
MSUB ???? T???? RHOmetal resistivity/gold
MSUB ???? RGHrms surface roughness/length TANDloss tangent
DIM ???? ANG????(DEG, RAD) FREQ????
DIM ???? LNG????(mm, mil) FREQHz, kHz,MHz,GHz
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LineCalc ????

• ?. ?????
• ??????,????????????????,W???,L?????????,?????
  ?????,??????????ShiftF2?????????

?. ????? ??????????,??????Z0?????
???,E(eff)??????????,???DEG??
?,Keff???????,A,dB?????????? ?????????
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LineCalc ????

• ?. ????

? ? ? ? ?
Help ltF1gt ??
ParEd ltF2gt ???????(??)?????
Inc1 ltF3gt ????????1
Inc10 ltF4gt ????????10
Dcr1 ltF5gt ????????1
Dcr10 ltF6gt ????????10
An/Sy ltF7gt ????????????
Calc ltF8gt ????
Title ltF9gt ??????
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LineCalc ????
? ? ? ? ?
Typw ltShiftF1gt ???????????
Menu ltShiftF2gt ?????????????
Undo3 ltShiftF3gt ???????????1(?F3??)
Undo4 ltShiftF4gt ???????????10(?F4??)
Undo5 ltShiftF5gt ???????????1(?F5??)
Undo6 ltShiftF6gt ???????????10(?F6??)
PrtSc ltShiftF7gt ??????
SDpth ltShiftF8gt ??????????
Stop ltShiftF9gt ??
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LineCalc?????????

• ??1????FR4??(
  ),H0.8mm,T0.01mm,????1GHz?50??????
• ??????,???????,???????????????????????,???0.8mm?F
  R4?????1GHz?,50?????????W1.52mm????90??,???????L
  41.03mm?

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???????

• ??2????????1.6mm,????W3.04mm,??L40.97,?????????
  ?????????

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???????

• ??3???????2GHz,??????????W1.52mm
  ,??L20.48,?????????Z0,
• ?????????????????

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???????

• ??4???????????9.9?Ceramic,????????????W0.76mm
  ,??L29.08 ?

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??????
W (mm) L (mm) ??
??1 1.52 41.03 H0.8mm, f01GHz
??2 3.04 40.97 H1.6mm, f01GHz
??3 1.52 20.48 H0.8mm, f02GHz
??4 0.76 29.08 Ceramic Substrate
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??

• ???FR4???????(
  ),??0.8mm?
• (1)???50O??????2.45GHz,??
• (2)??75O??????750MHz,???
• ??(1)W1.52 (mm) ,L33.42 (mm)
• (2)W0.70 (mm),L225.34 (mm)
• ??????,??????2.45GHz????,????16.71mm,???1.52mm,?
  ???????????????
• ??Z050O,E1/4 ?

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Homework for LineCalc

• ?FR4??????Ceramic??
• ?????????????????

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Libra ??

• ??????
• ??????SPICE??,??????,??
• ?. ckt??????809?
• ?. block????? DIM?VAR?EQN?CKT?TERM?PROC
  ? OUT?FREQ?GRID?OPT?TOL?.?????,?????CKT?OU
  T?FREQ?? ?BLOCK,????????????????,????,?????
  ??

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Libra ??

• ??(comment line)??????,???????,?????????????????
  ???????!?
• DIM(Dimensions)???????????????????
•  
• ????????????

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Libra ??
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Libra ??

• VAR (Varibles)
• ????????????????
• ??
• ????????????????????(Optmizer/Statistics
  )?,??????????,????????,???????
  ?????????????????/ ?????0????????? ?

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Libra ??

• EQN (Equation)
• ?????????????
• ??
• ?????,??????????????,?????????exponentia
  tion,?????????????
• CKT (Circuit)
• ???????????,???????????
• ??
• ????????Antenna, Coaxial, Microstrip,
  Lumped, Waveguide????,??????????????NODE??0999,?0
  ???GROUND?

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Libra ??

• ???????
• ????,?????(????),??????????
• ??,?????????????,???????????
•  
• ????????
• ??????
• ????????????
• / 0?????????
• ???VAR block????????assign???
•  
• ?DEFnP(??n?????)
• ???????????n????,???????????,?????,?????????
  Node1Node7????RLC???????????,?DEF2P 1 7
  NET1???Node1Node7??????NET1,????NET1??Node1Node
  7????

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Libra ??

• OUT (Output)
• ???????????????????
• ??
• ???????
• SCN ???????????
• GR1GR3 ???????
• SC1SC3 ???????
•  
• ???????
• ?????????????,Touchstn????????,?
• ???,????????????????1. S???? 2.
• ?????? ?

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Libra ??

• FREQ (Frequency)
• ?????????????????
• ??
• SWEEPlinear sweep STEPdiscrete frequency
• ESWEEPexponential with a common ratio
  between frequency
• GRID (ploting grids)
• ??????????X?Y???
• ??

GRID RANGE MIN MAX DIVISION GRn
MIN MAX DIVISION GRnA MIN MAX
(??Y???) LRANGE MIN MAX (log X???)
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EXP1Single-Stub Matching
FREQ SWEEP 1000 4000 10 OUT EXP1 DBS11
GR1 GRID RANGE 1000 4000 100 GR1 -40 0 5
DIM FREQ MHZ RES OH LNG MM ANG
DEG IND NH CAP PF
CKT MSUB ER4.4 H0.8 T0.01 RHO0 RGH0
TAND TAND0.02 MLIN 1 2 W1.52 L5 MLIN 2 3
W1.52 L9.83 MLIN 2 4 W1.52 L2.94 RES 4
5 R15 IND 5 0 L0.8 DEF1P 1 EXP1
E.E. Dept., NSYSU
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Libra ????
E.E. Dept., NSYSU
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Libra ????
E.E. Dept., NSYSU
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EXP1Single-Stub Matching
E.E. Dept., NSYSU
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?Single-Stub matching?,?????2.45GHz???????, ??????
?????(?????-20dB??)?
E.E. Dept., NSYSU
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EXP2Multisection matching transformer
2
4
1
3
5
0
DIM FREQ MHZ RES OH LNG MM ANG DEG
CKT MSUB ER4.7 H1.6 T0.1 RHO0 RGH0
TAND TAND0.014 MLIN 1 2 W1.52 L5 MLIN 2
3 W1.30 L16.87 MLIN 3 4 W0.65 L17.22
MLIN 4 5 W0.43 L17.55 RES 5 0 R100 DEF1P
1 EXP2
FREQ SWEEP 50 4000 10 OUT EXP2 DBS11
GR1 GRID RANGE 50 4000 100 GR1 -30 0 5
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Libra ????
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EXP2Multisection marching transformer
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?????????????50O??,?????50 O?? ??,????????????(??-
15dB??)?