1 files changed, 96 insertions, 0 deletions
diff --git a/qucs/cascode_if_vga.sch b/qucs/cascode_if_vga.sch
new file mode 100644
index 0000000..5ac2f67
--- /dev/null
+++ b/qucs/cascode_if_vga.sch
@@ -0,0 +1,96 @@
+<Qucs Schematic 0.0.20>
+<Properties>
+  <View=0,105,1480,990,1,0,0>
+  <Grid=10,10,1>
+  <DataSet=cascode_if_vga.dat>
+  <DataDisplay=cascode_if_vga.dpl>
+  <OpenDisplay=1>
+  <Script=cascode_if_vga.m>
+  <RunScript=0>
+  <showFrame=0>
+  <FrameText0=Title>
+  <FrameText1=Drawn By:>
+  <FrameText2=Date:>
+  <FrameText3=Revision:>
+</Properties>
+<Symbol>
+</Symbol>
+<Components>
+  <_BJT T_MMBT3904_1 1 430 410 8 -26 0 0 "npn" 0 "48.3f" 0 "1" 0 "1" 0 "0.121" 0 "0.3" 0 "114" 0 "24" 0 "13.1p" 0 "2" 0 "0" 0 "2" 0 "410" 0 "4" 0 "0" 0 "0" 0 "1.05" 0 "2.63" 0 "10.5" 0 "9.67p" 0 "1.1" 0 "0.5" 0 "8.7p" 0 "0.3" 0 "0.3" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "440p" 0 "0" 0 "0" 0 "0" 0 "74.7n" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0>
+  <Pac P1 1 110 480 18 -26 0 1 "1" 1 "1500 Ohm" 1 "0 dBm" 0 "1 GHz" 0 "26.85" 0>
+  <GND * 5 460 270 0 0 0 1>
+  <GND * 5 550 560 0 0 0 0>
+  <GND * 5 370 150 0 0 0 2>
+  <C C4 1 430 270 -26 -67 0 2 "0.1 uF" 1 "" 0 "neutral" 0>
+  <R R1 1 370 350 15 -26 0 1 "1.5 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+  <R R4 1 370 180 15 -26 0 1 "33 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+  <C C1 1 250 410 -26 17 0 0 "10 nF" 1 "" 0 "neutral" 0>
+  <_BJT T_MMBT3904_2 1 740 310 -26 -33 1 1 "npn" 0 "48.3f" 0 "1" 0 "1" 0 "0.121" 0 "0.3" 0 "114" 0 "24" 0 "13.1p" 0 "2" 0 "0" 0 "2" 0 "410" 0 "4" 0 "0" 0 "0" 0 "1.05" 0 "2.63" 0 "10.5" 0 "9.67p" 0 "1.1" 0 "0.5" 0 "8.7p" 0 "0.3" 0 "0.3" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "440p" 0 "0" 0 "0" 0 "0" 0 "74.7n" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0>
+  <R R2 1 370 500 15 -26 0 1 "82 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+  <L L1 1 1000 340 -78 -26 0 3 "2 uH" 1 "" 0>
+  <L L2 1 1000 400 -78 -26 0 3 "2.3 uH" 1 "" 0>
+  <R R5 1 790 370 15 -26 0 1 "3.3 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+  <GND * 5 1000 250 0 0 0 2>
+  <R R6 1 1000 490 15 -26 0 1 "100 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+  <C C6 1 860 460 17 -26 0 1 "0.1 uF" 1 "" 0 "neutral" 0>
+  <C C7 1 1000 550 17 -26 0 1 "0.1 uF" 1 "" 0 "neutral" 0>
+  <GND * 5 860 490 0 0 0 0>
+  <GND *1 5 1000 580 0 0 0 0>
+  <Vdc V8 1 1160 550 18 -26 0 1 "8 V" 1>
+  <GND * 5 1160 580 0 0 0 0>
+  <Pac P2 1 1300 550 18 -26 0 1 "2" 1 "1500 Ohm" 1 "0 dBm" 0 "1 GHz" 0 "26.85" 0>
+  <GND * 5 1300 580 0 0 0 0>
+  <C C8 1 1090 370 -26 17 0 0 "10 nF" 1 "" 0 "neutral" 0>
+  <Vdc VAGC 1 740 630 18 -26 0 1 "2.5 V" 1>
+  <GND * 5 110 620 0 0 0 0>
+  <GND * 5 740 660 0 0 0 0>
+  <Eqn Eqn1 1 400 750 -23 14 0 0 "S11_dB=dB(S[1,1])" 1 "S21_dB=dB(S[2,1])" 1 "yes" 0>
+  <.DC DC1 1 690 740 0 44 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "150" 0 "no" 0 "none" 0 "CroutLU" 0>
+  <C C2 1 210 590 17 -26 0 1 "100 nF" 1 "" 0 "neutral" 0>
+  <C C3 1 520 510 17 -26 0 1 "10 nF" 1 "" 0 "neutral" 0>
+  <R R3 1 630 510 15 -26 0 1 "220 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
+  <.SP SP1 1 90 730 -50 73 0 0 "lin" 1 "4.8 MHz" 1 "12 MHz" 1 "200" 1 "no" 0 "1" 0 "2" 0 "no" 0 "no" 0>
+  <C C5 1 1000 280 -86 -26 0 3 "160 pF" 1 "" 0 "neutral" 0>
+</Components>
+<Wires>
+  <370 410 400 410 "" 0 0 0 "">
+  <370 270 400 270 "" 0 0 0 "">
+  <370 410 370 470 "" 0 0 0 "">
+  <110 510 110 620 "" 0 0 0 "">
+  <370 530 370 560 "" 0 0 0 "">
+  <370 210 370 270 "" 0 0 0 "">
+  <370 270 370 320 "" 0 0 0 "">
+  <370 380 370 410 "" 0 0 0 "">
+  <280 410 370 410 "" 0 0 0 "">
+  <110 410 110 450 "" 0 0 0 "">
+  <110 410 220 410 "" 0 0 0 "">
+  <430 310 430 380 "" 0 0 0 "">
+  <430 310 710 310 "" 0 0 0 "">
+  <740 340 740 600 "" 0 0 0 "">
+  <770 310 790 310 "" 0 0 0 "">
+  <790 310 1000 310 "" 0 0 0 "">
+  <790 310 790 340 "" 0 0 0 "">
+  <790 430 860 430 "" 0 0 0 "">
+  <790 400 790 430 "" 0 0 0 "">
+  <1000 430 1000 460 "" 0 0 0 "">
+  <860 430 1000 430 "" 0 0 0 "">
+  <1000 520 1160 520 "" 0 0 0 "">
+  <1000 370 1060 370 "" 0 0 0 "">
+  <1120 370 1300 370 "" 0 0 0 "">
+  <1300 370 1300 520 "" 0 0 0 "">
+  <210 560 370 560 "" 0 0 0 "">
+  <110 620 210 620 "" 0 0 0 "">
+  <370 600 740 600 "" 0 0 0 "">
+  <370 560 370 600 "" 0 0 0 "">
+  <550 540 550 560 "" 0 0 0 "">
+  <430 440 430 480 "" 0 0 0 "">
+  <430 480 520 480 "" 0 0 0 "">
+  <520 540 550 540 "" 0 0 0 "">
+  <550 540 630 540 "" 0 0 0 "">
+  <520 480 630 480 "" 0 0 0 "">
+</Wires>
+<Diagrams>
+</Diagrams>
+<Paintings>
+  <Text 1040 240 12 #000000 0 "QRG, C5, L1, L2\n4.915MHz 240pF 2uH 2.3uH\n6       MHz 160pF 2uH 2.3uH\n10     MHz 120pF 1uH 1.2uH">
+</Paintings>