Version 4 SHEET 1 3256 680 WIRE 128 -64 32 -64 WIRE 368 -64 128 -64 WIRE 896 -64 800 -64 WIRE 1136 -64 896 -64 WIRE 32 -32 32 -64 WIRE 368 -32 368 -64 WIRE 800 -32 800 -64 WIRE 1136 -32 1136 -64 WIRE 240 16 128 16 WIRE 304 16 240 16 WIRE 1008 16 896 16 WIRE 1072 16 1008 16 WIRE 32 176 32 48 WIRE 64 176 32 176 WIRE 176 176 144 176 WIRE 256 176 176 176 WIRE 368 176 368 64 WIRE 368 176 352 176 WIRE 800 176 800 48 WIRE 832 176 800 176 WIRE 944 176 912 176 WIRE 1024 176 944 176 WIRE 1136 176 1136 64 WIRE 1136 176 1120 176 WIRE 1728 192 1680 192 WIRE 1840 192 1808 192 WIRE 1952 192 1920 192 WIRE 320 240 320 224 WIRE 672 240 320 240 WIRE 1088 240 1088 224 WIRE 1456 240 1088 240 WIRE 32 256 32 176 WIRE 80 256 32 256 WIRE 176 256 176 176 WIRE 176 256 144 256 WIRE 240 256 240 16 WIRE 672 256 672 240 WIRE 800 256 800 176 WIRE 848 256 800 256 WIRE 944 256 944 176 WIRE 944 256 912 256 WIRE 1008 256 1008 16 WIRE 368 272 368 176 WIRE 1136 272 1136 176 WIRE 1456 272 1456 240 WIRE 1680 288 1680 192 WIRE 1952 288 1952 192 WIRE 1952 288 1680 288 WIRE 176 320 176 256 WIRE 192 320 176 320 WIRE 944 320 944 256 WIRE 960 320 944 320 WIRE 320 336 304 336 WIRE 1680 352 1680 288 WIRE 32 368 32 256 WIRE 176 368 176 320 WIRE 176 368 96 368 WIRE 800 368 800 256 WIRE 944 368 944 320 WIRE 944 368 864 368 WIRE 240 416 240 352 WIRE 368 416 368 352 WIRE 368 416 240 416 WIRE 416 416 368 416 WIRE 528 416 480 416 WIRE 560 416 528 416 WIRE 672 416 672 336 WIRE 672 416 640 416 WIRE 1008 416 1008 352 WIRE 1136 416 1136 352 WIRE 1136 416 1008 416 WIRE 1184 416 1136 416 WIRE 1296 416 1248 416 WIRE 1376 416 1296 416 WIRE 1456 416 1456 352 WIRE 528 432 528 416 WIRE 1296 432 1296 416 WIRE 368 448 368 416 WIRE 1136 448 1136 416 WIRE 32 464 32 368 WIRE 176 464 176 368 WIRE 176 464 96 464 WIRE 800 464 800 368 WIRE 944 464 944 368 WIRE 944 464 864 464 WIRE 32 528 32 464 WIRE 368 528 32 528 WIRE 528 528 528 496 WIRE 528 528 368 528 WIRE 560 528 528 528 WIRE 672 528 672 416 WIRE 672 528 640 528 WIRE 800 528 800 464 WIRE 1136 528 800 528 WIRE 1296 528 1296 496 WIRE 1296 528 1136 528 WIRE 1376 528 1296 528 WIRE 1456 528 1456 416 WIRE 32 544 32 528 WIRE 800 544 800 528 FLAG 32 544 0 FLAG 800 544 0 FLAG 1680 352 0 SYMBOL voltage 32 -48 M0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(9 9.1 0 0 0 0 1µ 5) SYMBOL pnp 304 64 M180 SYMATTR InstName Q1 SYMATTR Value MMBTH81 SYMBOL res 112 -80 R0 SYMATTR InstName R1 SYMATTR Value 330 SYMBOL res 384 544 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 220 SYMBOL ind 160 160 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L1 SYMATTR Value 78µ SYMATTR SpiceLine Rser=0.5 SYMBOL cap 144 240 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 22n SYMBOL voltage 800 -48 M0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 3 -127 -44 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(9 9.1 0 0 0 0 1µ 5) SYMBOL pnp 1072 64 M180 SYMATTR InstName Q2 SYMATTR Value MMBTH81 SYMBOL res 880 -80 R0 SYMATTR InstName R5 SYMATTR Value 330 SYMBOL res 1120 368 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R7 SYMATTR Value 220 SYMBOL res 1152 544 R180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R8 SYMATTR Value 220 SYMBOL ind2 928 160 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L2 SYMATTR Value 78µ SYMATTR Type ind SYMATTR SpiceLine Rser=0.5 SYMBOL cap 912 240 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 22n SYMBOL njf 960 256 R0 SYMATTR InstName J2 SYMATTR Value 2N5484 SYMBOL ind2 1824 176 R90 WINDOW 0 5 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName L3 SYMATTR Value 580n SYMATTR Type ind SYMBOL res 1936 176 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 2m SYMBOL njf 192 256 R0 SYMATTR InstName J1 SYMATTR Value 2N5484 SYMBOL diode 96 352 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value UMN10N SYMBOL diode 864 352 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D3 SYMATTR Value UMN10N SYMBOL diode 800 448 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D6 SYMATTR Value UMN10N SYMBOL diode 32 448 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D8 SYMATTR Value UMN10N SYMBOL res 352 256 R0 SYMATTR InstName R2 SYMATTR Value 220 SYMBOL schottky 416 400 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value RB715UM SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 512 432 R0 SYMATTR InstName C3 SYMATTR Value 1µ SYMBOL njf 256 224 R270 SYMATTR InstName J3 SYMATTR Value 2N5484 SYMBOL res 544 432 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 10k SYMBOL res 656 240 R0 SYMATTR InstName R10 SYMATTR Value 47k SYMBOL schottky 1184 400 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D4 SYMATTR Value RB715UM SYMATTR Description Diode SYMATTR Type diode SYMBOL cap 1280 432 R0 SYMATTR InstName C4 SYMATTR Value 1µ SYMBOL res 1440 256 R0 SYMATTR InstName R12 SYMATTR Value 47k SYMBOL njf 1024 224 R270 SYMATTR InstName J4 SYMATTR Value 2N5484 SYMBOL res 1472 400 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 10k SYMBOL res 1472 512 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 10k SYMBOL res 544 544 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R13 SYMATTR Value 10k TEXT -624 160 Left 2 ;NICOS Negative Impedance Converter Oscillator TEXT -296 224 Left 2 !.tran 0 10m 0 10n TEXT 1688 136 Left 2 !k1 L2 L3 0.97 TEXT -568 -144 Left 2 !.model MMBTH81 PNP(Is=10f Xti=3 Eg=1.11 Vaf=100 Bf=133.8 Ise=1.678p Ne=2.159 Ikf=.1658 Nk=.901 Xtb=1.5 Var=100 Br=1Isc=9.519n Nc=3.88 Ikr=5.813 Rc=7.838 Cjc=2.81p Mjc=.1615 Vjc=.8282 Fc=.5 Cje=2.695p Mje=.3214 Vje=.7026Tr=11.32n Tf=97.83p Itf=69.29 Xtf=599u Vtf=10) TEXT -184 408 Left 2 ;SMP1330-005LF TEXT 688 448 VRight 2 ;poti TEXT 1480 456 VRight 2 ;poti