<Qucs Schematic 0.0.19> <Properties> <View=-81,-370,2202,1093,0.683017,540,395> <Grid=10,10,1> <DataSet=mixer_large_signal_if.dat> <DataDisplay=mixer_large_signal_if.dpl> <OpenDisplay=1> <Script=mixer_large_signal_if.m> <RunScript=0> <showFrame=0> <FrameText0=Title> <FrameText1=Drawn By:> <FrameText2=Date:> <FrameText3=Revision:> </Properties> <Symbol> </Symbol> <Components> <.DC DC1 1 400 720 0 38 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "150" 0 "no" 0 "none" 0 "CroutLU" 0> <.SP SP1 0 130 710 0 62 0 0 "lin" 1 "100 MHz" 1 "2 GHz" 1 "50" 1 "no" 0 "1" 0 "2" 0 "no" 0 "no" 0> <Eqn Eqn1 1 940 720 -31 15 0 0 "ileft=10e-3+I1" 1 "yes" 0> <Eqn Eqn2 1 940 810 -31 15 0 0 "iright=10e-3-I1" 1 "yes" 0> <SPICE X2 1 680 210 -26 -89 1 2 "/home/kelvin/repos/ism-915mhz-transceiver/sim/models/BFU520XR_SPICE_GP.PRM" 1 "_net1,_net2,_net3" 0 "yes" 0 "none" 0> <SPICE X1 1 840 210 -26 -89 0 0 "/home/kelvin/repos/ism-915mhz-transceiver/sim/models/BFU520XR_SPICE_GP.PRM" 1 "_net1,_net2,_net3" 0 "yes" 0 "none" 0> <SPICE X3 1 1220 210 -26 -89 0 0 "/home/kelvin/repos/ism-915mhz-transceiver/sim/models/BFU520XR_SPICE_GP.PRM" 1 "_net1,_net2,_net3" 0 "yes" 0 "none" 0> <SPICE X4 1 1090 210 -26 -89 1 2 "/home/kelvin/repos/ism-915mhz-transceiver/sim/models/BFU520XR_SPICE_GP.PRM" 1 "_net1,_net2,_net3" 0 "yes" 0 "none" 0> <GND * 1 680 300 0 0 0 0> <GND * 1 840 300 0 0 0 0> <GND * 1 1090 300 0 0 0 0> <GND * 1 1220 300 0 0 0 0> <GND * 1 530 -50 0 0 0 0> <C C3 1 750 540 -26 17 0 0 "100 pF" 1 "" 0 "neutral" 0> <C C4 1 740 620 -26 17 0 0 "100 pF" 1 "" 0 "neutral" 0> <L L3 1 190 420 -26 10 0 0 "12 nH" 1 "" 0> <L L4 1 190 560 -26 10 0 0 "12 nH" 1 "" 0> <L L5 1 350 420 -26 10 0 0 "27 nH" 1 "" 0> <L L6 1 350 560 -26 10 0 0 "27 nH" 1 "" 0> <C C7 1 270 500 17 -26 0 1 "1.2 pF" 1 "" 0 "neutral" 0> <L L7 1 920 -170 -26 10 0 0 "31 nH" 1 "" 0> <C C1 1 560 360 -26 17 0 0 "100 pF" 1 "" 0 "neutral" 0> <C C2 1 550 180 -26 17 0 0 "100 pF" 1 "" 0 "neutral" 0> <R R16 1 490 180 -26 15 0 0 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R17 1 500 360 -26 15 0 0 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R18 1 660 540 -26 15 0 0 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R19 1 660 620 -26 15 0 0 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <GND * 1 60 600 0 0 0 0> <Eqn Eqn4 1 950 920 -31 15 0 0 "spectrum=fft(vout.Vt)" 1 "yes" 0> <Pac P1 1 80 490 18 -26 0 1 "1" 1 "50 Ohm" 1 "-2 dBm" 0 "915 MHz" 0 "26.85" 0> <sTr Tr1 1 1260 -250 -29 78 0 0 "1" 1 "1" 1> <GND * 1 1350 -160 0 0 0 0> <R R12 1 1380 -250 15 -26 0 1 "50 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <L L8 1 950 -340 -26 10 0 0 "220 nH" 1 "" 0> <R R9 1 920 -100 -26 16 1 2 "220 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <GND * 1 1550 270 0 0 0 0> <R R8 1 1550 200 15 -26 0 1 "3k Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R7 1 1550 90 15 -26 0 1 "2k Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <GND * 1 270 260 0 0 0 0> <R R2 1 270 180 -93 -26 1 1 "3 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R1 1 270 80 -93 -26 1 1 "2 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R23 1 1410 0 -26 15 0 0 "1 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R24 1 1410 70 -26 15 0 0 "1 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R22 1 510 10 -26 15 0 0 "1 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R21 1 510 70 -26 15 0 0 "1 kOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <Vdc V1 1 530 -110 18 -26 0 1 "5 V" 1> <R R20 1 -50 490 15 -26 0 1 "1k Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <Eqn Eqn3 1 1070 680 -31 15 0 0 "I1=0" 1 "yes" 0> <_BJT T1 1 1580 630 -78 -26 1 2 "npn" 1 "1e-16" 1 "1" 1 "1" 0 "0" 0 "0" 0 "0" 1 "0" 0 "0" 0 "1.5" 0 "0" 0 "2" 0 "100" 1 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0.75" 0 "0.33" 0 "0" 0 "0.75" 0 "0.33" 0 "1.0" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0> <L L9 1 1530 490 -26 10 0 0 "220 uH" 1 "" 0> <L L10 1 1540 800 -26 10 0 0 "220 uH" 1 "" 0> <R R26 1 1540 890 -26 15 0 0 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R25 1 1540 420 -26 15 0 0 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <GND * 1 1620 930 0 0 0 0> <R R27 1 1700 630 -26 15 0 0 "1k Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <_BJT T2 1 1880 630 8 -26 0 0 "npn" 1 "1e-16" 1 "1" 1 "1" 0 "0" 0 "0" 0 "0" 1 "0" 0 "0" 0 "1.5" 0 "0" 0 "2" 0 "100" 1 "1" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0.75" 0 "0.33" 0 "0" 0 "0.75" 0 "0.33" 0 "1.0" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "0.0" 0 "26.85" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "1.0" 0 "1.0" 0 "0.0" 0 "0.0" 0 "3.0" 0 "1.11" 0 "26.85" 0 "1.0" 0> <R R29 1 1880 750 15 -26 0 1 "33 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R28 1 1880 490 15 -26 0 1 "390 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <GND * 1 1880 840 0 0 0 0> <Vdc V2 1 1720 470 18 -26 0 1 "5 V" 1> <GND * 1 1720 530 0 0 0 0> <GND * 1 1780 840 0 0 0 0> <C C10 1 1700 730 -26 17 0 0 "1 nF" 1 "" 0 "neutral" 0> <Idc I1 1 1030 480 -69 -26 0 3 "ileft" 1> <GND * 1 1030 540 0 0 0 0> <L L11 1 840 380 -26 10 0 0 "680 nH" 1 "" 0> <GND * 1 1180 540 0 0 0 0> <Idc I2 1 1180 490 -69 -26 0 3 "iright" 1> <R R35 1 1070 590 -26 24 1 2 "10k Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R34 1 1290 370 -26 24 1 2 "10k Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <GND * 1 1360 400 0 0 0 0> <GND * 1 1010 640 0 0 0 0> <L L12 1 1150 370 -26 10 0 0 "680 nH" 1 "" 0> <R R30 1 760 310 15 -26 0 1 "1 mOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R31 1 1190 320 -93 -26 1 1 "1 mOhm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <C C9 1 1520 730 -26 17 0 0 "33 nF" 1 "" 0 "neutral" 0> <C C8 1 1510 580 -26 17 0 0 "33 nF" 1 "" 0 "neutral" 0> <Vac V3 1 1780 790 18 -26 0 1 "100mV" 1 "5 MHz" 0 "0" 0 "0" 0> <R R32 1 1340 580 -26 24 1 2 "3.3 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <R R33 1 1340 730 -26 24 1 2 "3.3 Ohm" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0> <C C12 1 1360 450 -26 17 0 0 "100 pF" 1 "" 0 "neutral" 0> <GND * 1 1410 470 0 0 0 0> <GND * 1 1220 710 0 0 0 0> <C C13 1 1220 660 17 -26 0 1 "100 pF" 1 "" 0 "neutral" 0> <Eqn Eqn6 1 1130 810 -31 15 0 0 "il=(vlefttop.Vt-vleftbot.Vt)/3.3" 1 "yes" 0> <Eqn Eqn5 1 1170 890 -31 15 0 0 "ir=(vrighttop.Vt-vrightbot.Vt)/3.3" 1 "yes" 0> <.TR TR1 1 -40 720 0 62 0 0 "lin" 1 "0 ns" 1 "1000 ns" 1 "10000" 0 "AdamsMoulton" 0 "2" 0 "1 ns" 0 "1e-16" 0 "150" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "26.85" 0 "1e-3" 0 "1e-6" 0 "1" 0 "CroutLU" 0 "no" 0 "yes" 0 "0" 0> </Components> <Wires> <710 50 710 180 "" 0 0 0 ""> <1190 50 1190 180 "" 0 0 0 ""> <1120 80 1120 180 "" 0 0 0 ""> <810 80 810 180 "" 0 0 0 ""> <810 80 880 80 "" 0 0 0 ""> <880 80 1120 80 "" 0 0 0 ""> <710 50 970 50 "" 0 0 0 ""> <970 50 1190 50 "" 0 0 0 ""> <610 -50 780 -50 "" 0 0 0 ""> <1220 270 1220 300 "" 0 0 0 ""> <1090 270 1090 300 "" 0 0 0 ""> <840 270 840 300 "" 0 0 0 ""> <680 270 680 300 "" 0 0 0 ""> <870 180 910 180 "" 0 0 0 ""> <1020 180 1060 180 "" 0 0 0 ""> <1250 180 1300 180 "" 0 0 0 ""> <1120 240 1170 240 "" 0 0 0 ""> <710 240 760 240 "" 0 0 0 ""> <530 -160 530 -140 "" 0 0 0 ""> <530 -160 610 -160 "" 0 0 0 ""> <610 -160 610 -50 "" 0 0 0 ""> <530 -80 530 -50 "" 0 0 0 ""> <990 180 1020 180 "" 0 0 0 ""> <990 180 990 460 "" 0 0 0 ""> <610 460 990 460 "" 0 0 0 ""> <910 180 960 180 "" 0 0 0 ""> <970 -100 970 50 "" 0 0 0 ""> <950 -100 970 -100 "" 0 0 0 ""> <880 -100 880 80 "" 0 0 0 ""> <880 -100 890 -100 "" 0 0 0 ""> <960 180 960 540 "" 0 0 0 ""> <780 540 960 540 "" 0 0 0 ""> <1430 180 1430 620 "" 0 0 0 ""> <770 620 1430 620 "" 0 0 0 ""> <220 420 270 420 "" 0 0 0 ""> <220 560 270 560 "" 0 0 0 ""> <270 560 320 560 "" 0 0 0 ""> <270 530 270 560 "" 0 0 0 ""> <270 420 320 420 "" 0 0 0 ""> <270 420 270 470 "" 0 0 0 ""> <380 420 440 420 "" 0 0 0 ""> <380 560 440 560 "" 0 0 0 ""> <80 420 80 460 "" 0 0 0 ""> <80 420 160 420 "vin" 120 390 1 ""> <80 520 80 560 "" 0 0 0 ""> <880 -170 880 -100 "" 0 0 0 ""> <880 -170 890 -170 "" 0 0 0 ""> <970 -170 970 -100 "" 0 0 0 ""> <950 -170 970 -170 "" 0 0 0 ""> <80 560 160 560 "" 0 0 0 ""> <610 360 610 460 "" 0 0 0 ""> <590 360 610 360 "" 0 0 0 ""> <580 180 620 180 "" 0 0 0 ""> <440 180 460 180 "" 0 0 0 ""> <440 180 440 360 "" 0 0 0 ""> <440 360 440 420 "" 0 0 0 ""> <440 360 470 360 "" 0 0 0 ""> <440 540 440 560 "" 0 0 0 ""> <440 540 630 540 "" 0 0 0 ""> <440 560 440 620 "" 0 0 0 ""> <440 620 630 620 "" 0 0 0 ""> <690 620 710 620 "" 0 0 0 ""> <690 540 720 540 "" 0 0 0 ""> <60 560 80 560 "" 0 0 0 ""> <60 560 60 600 "" 0 0 0 ""> <880 -280 880 -170 "" 0 0 0 ""> <970 -210 970 -170 "" 0 0 0 ""> <970 -210 1080 -210 "" 0 0 0 ""> <880 -280 1080 -280 "" 0 0 0 ""> <980 -340 1170 -340 "" 0 0 0 ""> <1170 -340 1170 -260 "" 0 0 0 ""> <1170 -260 1230 -260 "" 0 0 0 ""> <1230 -260 1230 -240 "" 0 0 0 ""> <1080 -320 1230 -320 "" 0 0 0 ""> <1080 -320 1080 -280 "" 0 0 0 ""> <1080 -180 1230 -180 "" 0 0 0 ""> <1080 -210 1080 -180 "" 0 0 0 ""> <1290 -220 1350 -220 "" 0 0 0 ""> <1290 -280 1380 -280 "vout" 1380 -310 57 ""> <780 -340 920 -340 "" 0 0 0 ""> <780 -340 780 -50 "" 0 0 0 ""> <1350 -220 1380 -220 "" 0 0 0 ""> <1350 -220 1350 -160 "" 0 0 0 ""> <780 -50 1550 -50 "" 0 0 0 ""> <1550 -50 1550 60 "" 0 0 0 ""> <1550 230 1550 270 "" 0 0 0 ""> <270 -160 270 50 "" 0 0 0 ""> <270 -160 530 -160 "" 0 0 0 ""> <270 110 270 120 "" 0 0 0 ""> <270 210 270 260 "" 0 0 0 ""> <270 120 270 150 "" 0 0 0 ""> <270 120 380 120 "" 0 0 0 ""> <380 10 380 70 "" 0 0 0 ""> <380 10 480 10 "" 0 0 0 ""> <380 70 380 120 "" 0 0 0 ""> <380 70 480 70 "" 0 0 0 ""> <620 180 650 180 "" 0 0 0 ""> <620 70 620 180 "" 0 0 0 ""> <540 70 620 70 "" 0 0 0 ""> <540 10 910 10 "" 0 0 0 ""> <910 10 910 180 "" 0 0 0 ""> <1550 120 1550 140 "" 0 0 0 ""> <1020 0 1020 180 "" 0 0 0 ""> <1300 70 1380 70 "" 0 0 0 ""> <1300 180 1430 180 "" 0 0 0 ""> <1300 70 1300 180 "" 0 0 0 ""> <1020 0 1380 0 "" 0 0 0 ""> <1440 0 1480 0 "" 0 0 0 ""> <1480 0 1480 70 "" 0 0 0 ""> <1550 140 1550 170 "" 0 0 0 ""> <1480 140 1550 140 "" 0 0 0 ""> <1480 70 1480 140 "" 0 0 0 ""> <1440 70 1480 70 "" 0 0 0 ""> <-50 560 60 560 "" 0 0 0 ""> <-50 520 -50 560 "" 0 0 0 ""> <-50 420 -50 460 "" 0 0 0 ""> <-50 420 80 420 "" 0 0 0 ""> <1580 660 1580 730 "" 0 0 0 ""> <1550 730 1580 730 "" 0 0 0 ""> <1560 490 1580 490 "" 0 0 0 ""> <1580 490 1580 540 "" 0 0 0 ""> <1470 490 1500 490 "" 0 0 0 ""> <1470 420 1470 490 "" 0 0 0 ""> <1470 420 1510 420 "" 0 0 0 ""> <1570 800 1580 800 "" 0 0 0 ""> <1580 730 1580 800 "vr" 1610 740 44 ""> <1470 800 1510 800 "" 0 0 0 ""> <1470 800 1470 890 "" 0 0 0 ""> <1470 890 1510 890 "" 0 0 0 ""> <1570 890 1620 890 "" 0 0 0 ""> <1620 890 1620 930 "" 0 0 0 ""> <1610 630 1630 630 "" 0 0 0 ""> <1730 630 1820 630 "" 0 0 0 ""> <1630 730 1670 730 "" 0 0 0 ""> <1630 630 1670 630 "vb" 1670 600 8 ""> <1630 630 1630 730 "" 0 0 0 ""> <1880 520 1880 580 "" 0 0 0 ""> <1880 660 1880 720 "" 0 0 0 ""> <1880 780 1880 840 "" 0 0 0 ""> <1880 420 1880 460 "" 0 0 0 ""> <1570 420 1720 420 "" 0 0 0 ""> <1720 500 1720 530 "" 0 0 0 ""> <1720 420 1880 420 "" 0 0 0 ""> <1720 420 1720 440 "" 0 0 0 ""> <1780 730 1780 760 "" 0 0 0 ""> <1730 730 1780 730 "vif" 1780 700 21 ""> <1780 820 1780 840 "" 0 0 0 ""> <1030 510 1030 540 "" 0 0 0 ""> <1030 440 1030 450 "" 0 0 0 ""> <1030 440 1070 440 "" 0 0 0 ""> <1070 380 1070 440 "" 0 0 0 ""> <870 380 1070 380 "" 0 0 0 ""> <760 340 760 380 "" 0 0 0 ""> <760 380 810 380 "" 0 0 0 ""> <760 240 810 240 "" 0 0 0 ""> <760 240 760 280 "" 0 0 0 ""> <1170 240 1190 240 "" 0 0 0 ""> <1170 240 1170 270 "" 0 0 0 ""> <1370 580 1480 580 "vrightbot" 1430 550 22 ""> <1370 730 1490 730 "vleftbot" 1420 700 26 ""> <1310 600 1310 730 "vlefttop" 1350 670 106 ""> <1100 600 1220 600 "" 0 0 0 ""> <1100 440 1100 590 "" 0 0 0 ""> <1070 440 1100 440 "" 0 0 0 ""> <1180 450 1220 450 "" 0 0 0 ""> <1180 450 1180 460 "" 0 0 0 ""> <1180 520 1180 540 "" 0 0 0 ""> <1100 590 1100 600 "" 0 0 0 ""> <1010 590 1010 640 "" 0 0 0 ""> <1010 590 1040 590 "" 0 0 0 ""> <1220 450 1310 450 "" 0 0 0 ""> <1220 370 1220 450 "" 0 0 0 ""> <1220 370 1260 370 "" 0 0 0 ""> <1320 370 1360 370 "" 0 0 0 ""> <1360 370 1360 400 "" 0 0 0 ""> <1170 270 1190 270 "" 0 0 0 ""> <1190 270 1190 290 "" 0 0 0 ""> <1180 370 1190 370 "" 0 0 0 ""> <1190 350 1190 370 "" 0 0 0 ""> <1120 450 1180 450 "" 0 0 0 ""> <1120 370 1120 450 "" 0 0 0 ""> <1540 540 1540 580 "" 0 0 0 ""> <1580 540 1580 600 "vl" 1610 550 40 ""> <1540 540 1580 540 "" 0 0 0 ""> <1410 450 1410 470 "" 0 0 0 ""> <1390 450 1410 450 "" 0 0 0 ""> <1220 600 1310 600 "" 0 0 0 ""> <1220 600 1220 630 "" 0 0 0 ""> <1220 690 1220 710 "" 0 0 0 ""> <1310 450 1330 450 "" 0 0 0 ""> <1310 450 1310 580 "vrighttop" 1340 510 88 ""> <1880 580 1880 600 "" 0 0 0 ""> <1820 580 1880 580 "" 0 0 0 ""> <1820 630 1850 630 "" 0 0 0 ""> <1820 580 1820 630 "" 0 0 0 ""> </Wires> <Diagrams> </Diagrams> <Paintings> </Paintings>