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- <Qucs Schematic 0.0.20>
- <Components>
- <Pac P1 1 140 470 18 -26 0 1 "1" 1 "75 Ohm" 1 "0 dBm" 0 "1 GHz" 0 "26.85" 0>
- <GND * 1 140 500 0 0 0 0>
- <Pac P2 1 500 470 18 -26 0 1 "2" 1 "75 Ohm" 1 "0 dBm" 0 "1 GHz" 0 "26.85" 0>
- <GND * 1 500 500 0 0 0 0>
- <Eqn Eqn1 1 370 580 -28 15 0 0 "S21_dB=dB(S[2,1])" 1 "S11_dB=dB(S[1,1])" 1 "yes" 0>
- <.SP SP1 1 150 560 0 78 0 0 "lin" 1 "100MHz" 1 "3 GHz" 1 "500" 1 "no" 0 "1" 0 "2" 0 "no" 0 "no" 0>
- <Eqn LumpedEquivalent 1 850 100 -30 16 0 0 "L=(mu0/(2*pi))*ln(Do/Di)*dl" 1 "Rseries=(Rsurface/(2*pi))*(1/Di + 1/Do)*dl" 1 "Rshunt=2*pi*f/ln(Do/Di)*dl" 1 "C=(2*pi*e0*er)/(ln(Do/Di))*dl" 1 "yes" 0>
- <Pac P3 1 790 480 18 -26 0 1 "3" 1 "75 Ohm" 1 "0 dBm" 0 "1 GHz" 0 "26.85" 0>
- <GND * 1 790 510 0 0 0 0>
- <COAX Line1 1 320 390 -26 16 0 0 "er" 1 "0.022e-6" 0 "1" 0 "Do" 0 "Di" 0 "len" 1 "tand" 0 "26.85" 0>
- <Eqn Eqn5 1 500 110 -30 16 0 0 "e0=8.85e-12" 1 "mu0=4*pi*1e-7" 1 "f=500e6" 1 "yes" 0>
- <Eqn Coaxial 1 320 110 -30 16 0 0 "er=2.1" 1 "Do=6.1e-3" 1 "Di=0.9e-3" 1 "tand=4e-4" 1 "yes" 0>
- <Pac P4 1 1720 490 18 -26 0 1 "4" 1 "75 Ohm" 1 "0 dBm" 0 "1 GHz" 0 "26.85" 0>
- <GND * 1 1720 520 0 0 0 0>
- <Eqn Eqn4 1 790 640 -28 15 0 0 "S43_dB=dB(S[4,3])" 1 "S33_dB=dB(S[3,3])" 1 "yes" 0>
- <Sub SUB10 1 1630 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB9 1 1550 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB8 1 1470 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB7 1 1390 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB6 1 1310 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB5 1 1220 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB4 1 1140 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB3 1 1060 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB2 1 970 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Sub SUB1 1 880 410 -20 14 0 0 "Coaxial_cell.sch" 0>
- <Eqn Skin_effect 1 1190 100 -30 16 0 0 "delta=sqrt(2*rho/((2*pi*f)*mu0))" 1 "rho=1.68e-8" 1 "Rsurface=len*rho/(pi*Di*delta)" 1 "yes" 0>
- <Eqn Eqn6 1 160 110 -30 16 0 0 "len=0.1" 1 "ncells=len/dl" 1 "dl=0.01" 1 "yes" 0>
- </Components>
- <Wires>
- <500 390 500 440 "" 0 0 0 "">
- <350 390 500 390 "" 0 0 0 "">
- <140 390 140 440 "" 0 0 0 "">
- <140 390 290 390 "" 0 0 0 "">
- <790 410 790 450 "" 0 0 0 "">
- <790 410 850 410 "" 0 0 0 "">
- <910 410 940 410 "" 0 0 0 "">
- <1000 410 1030 410 "" 0 0 0 "">
- <1090 410 1110 410 "" 0 0 0 "">
- <1170 410 1190 410 "" 0 0 0 "">
- <1250 410 1280 410 "" 0 0 0 "">
- <1340 410 1360 410 "" 0 0 0 "">
- <1720 410 1720 460 "" 0 0 0 "">
- <1500 410 1520 410 "" 0 0 0 "">
- <1420 410 1440 410 "" 0 0 0 "">
- <1580 410 1600 410 "" 0 0 0 "">
- <1660 410 1720 410 "" 0 0 0 "">
- </Wires>
- <Diagrams>
- <Tab 1100 554 127 64 3 #c0c0c0 1 00 1 0 1 1 1 0 1 1 1 0 1 1 315 0 225 "" "" "" "">
- <"ncells" #0000ff 0 3 1 0 0>
- </Tab>
- <Rect 300 1369 812 519 3 #c0c0c0 1 00 1 0 5e+08 3e+09 1 -67.2339 20 5.5667 1 -1 0.5 1 315 0 225 "" "" "" "">
- <"S21_dB" #ff0000 0 3 0 0 0>
- <"S11_dB" #00007f 0 3 0 0 0>
- <"S43_dB" #ff0000 2 3 0 2 0>
- <"S33_dB" #00007f 2 3 0 2 0>
- </Rect>
- <Tab 1500 220 489 80 3 #c0c0c0 1 00 1 0 1 1 1 0 1 1 1 0 1 1 315 0 225 "" "" "" "">
- <"C" #0000ff 0 3 1 0 0>
- <"L" #0000ff 0 3 1 0 0>
- <"Rseries" #0000ff 0 3 1 0 0>
- <"Rshunt" #0000ff 0 3 1 0 0>
- </Tab>
- </Diagrams>
- <Paintings>
- <Text 440 260 12 #ff0000 0 "IMPORTANT">
- <Rectangle 360 250 330 100 #000000 0 1 #c0c0c0 1 0>
- <Rectangle 360 250 330 40 #000000 0 1 #c0c0c0 1 0>
- <Text 370 300 12 #000000 0 "f is set to 500MHz, it should depend on the\ns parameter sweep variable.">
- <Text 790 260 12 #000000 0 "Coaxial equivalent equations:\nMicrowave Engineering. David M. Pozar. 4th edition. Page 53. Example 2.1">
- </Paintings>
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