Version 4 SHEET 1 1440 680 WIRE 432 416 416 416 WIRE -368 416 -400 416 WIRE 64 416 16 416 WIRE -400 416 -400 224 WIRE -400 32 -368 32 WIRE -304 32 -256 32 WIRE 128 32 176 32 WIRE -112 32 16 32 WIRE 272 32 352 32 WIRE -208 416 -256 416 WIRE 176 416 128 416 WIRE 496 32 528 32 WIRE 704 32 768 32 WIRE 768 32 768 96 WIRE 768 176 768 224 WIRE 768 352 768 416 WIRE 768 416 704 416 WIRE 528 416 496 416 WIRE -640 400 -640 368 WIRE -640 288 -640 224 WIRE -640 224 -592 224 WIRE -400 224 -400 32 WIRE -512 224 -464 224 WIRE 416 416 352 416 WIRE -256 32 -256 96 WIRE -256 176 -256 224 WIRE -256 352 -256 416 WIRE -256 32 -208 32 WIRE -256 416 -304 416 WIRE -400 224 -256 224 WIRE -256 224 -256 272 WIRE 416 32 432 32 WIRE 960 400 960 352 WIRE 960 272 960 224 WIRE 960 224 1056 224 WIRE -464 224 -400 224 WIRE 752 -112 672 -112 WIRE 592 -112 496 -112 WIRE 432 -112 352 -112 WIRE 64 -112 16 -112 WIRE -32 -112 -32 192 WIRE -32 272 -32 576 WIRE -32 576 16 576 WIRE 128 576 352 576 WIRE 496 576 608 576 WIRE 688 576 752 576 WIRE 352 416 352 464 WIRE 352 544 352 576 WIRE 352 416 272 416 WIRE 352 576 432 576 WIRE 352 -112 352 -80 WIRE 352 0 352 32 WIRE 352 32 416 32 WIRE 352 -112 128 -112 WIRE 16 -112 16 -80 WIRE 16 0 16 32 WIRE 16 32 64 32 WIRE 16 -112 -32 -112 WIRE 16 416 16 464 WIRE 16 544 16 576 WIRE 16 416 -112 416 WIRE 16 576 64 576 WIRE 608 32 640 32 WIRE 608 416 640 416 WIRE 704 224 768 224 WIRE 768 224 768 272 FLAG -208 448 0 FLAG -112 448 0 FLAG 176 448 0 FLAG 272 448 0 FLAG 272 64 0 FLAG 176 64 0 FLAG -112 64 0 FLAG -208 64 0 FLAG -640 400 0 FLAG 416 32 sc1 FLAG 416 416 sc2 FLAG 960 400 0 FLAG 1056 224 out FLAG -464 224 in FLAG 704 224 0 FLAG 752 -112 0 FLAG 752 576 0 SYMBOL diode -304 400 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D1 SYMATTR Value hsms2207 SYMBOL diode 128 400 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D2 SYMATTR Value hsms2207 SYMBOL diode 496 400 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D3 SYMATTR Value hsms2207 SYMBOL diode -368 48 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D4 SYMATTR Value hsms2207 SYMBOL diode 64 48 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D5 SYMATTR Value hsms2207 SYMBOL diode 432 48 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D6 SYMATTR Value hsms2207 SYMBOL tline -160 48 R0 SYMATTR InstName T1 SYMATTR Value Td=20p Z0=50 SYMBOL tline 224 48 R0 SYMATTR InstName T2 SYMATTR Value Td=20p Z0=50 SYMBOL tline -160 432 R0 SYMATTR InstName T3 SYMATTR Value Td=20p Z0=50 SYMBOL tline 224 432 R0 SYMATTR InstName T4 SYMATTR Value Td=20p Z0=50 SYMBOL voltage 768 80 R0 WINDOW 3 -411 95 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value PULSE(0 -10 900p 150p 150p 50p 10n) SYMBOL voltage 768 256 R0 WINDOW 3 -415 9 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value PULSE(0 -10 900p 150p 150p 50p 10n) SYMBOL res 624 16 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R1 SYMATTR Value 50 SYMBOL res 624 400 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R2 SYMATTR Value 50 SYMBOL voltage -640 272 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V3 SYMATTR Value SINE(0 1 225meg) SYMBOL res -496 208 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 25 SYMBOL res -272 80 R0 SYMATTR InstName R6 SYMATTR Value 75k SYMBOL res -272 256 R0 SYMATTR InstName R7 SYMATTR Value 75k SYMBOL bv 960 256 R0 SYMATTR InstName B1 SYMATTR Value V=v(sc1)+v(sc2) SYMBOL diode 496 -128 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D7 SYMATTR Value 1n4148 SYMBOL diode 128 -128 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName D8 SYMATTR Value 1n4148 SYMBOL diode 64 592 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D9 SYMATTR Value 1n4148 SYMBOL diode 432 592 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D10 SYMATTR Value 1n4148 SYMBOL res -48 176 R0 SYMATTR InstName R4 SYMATTR Value 820 SYMBOL voltage 576 -112 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 -32 56 VBottom 0 SYMATTR InstName V4 SYMATTR Value 2 SYMBOL voltage 704 576 R90 WINDOW 0 -32 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName V5 SYMATTR Value 2 SYMBOL res 336 -96 R0 SYMATTR InstName R5 SYMATTR Value 100k SYMBOL res 336 448 R0 SYMATTR InstName R9 SYMATTR Value 100k SYMBOL res 0 -96 R0 SYMATTR InstName R10 SYMATTR Value 5k SYMBOL res 0 448 R0 SYMATTR InstName R11 SYMATTR Value 5k SYMBOL cap 704 16 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 22p SYMBOL cap 704 400 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C2 SYMATTR Value 22p TEXT -456 -184 Left 0 !.model hsms2207 D(Cjo=0.2p Eg=0.69 Ibv=100u Is=.3n N=1.08 Rs=5 Vj=0.65 Xti=2 M=0.5 Vpk=5) TEXT -456 -88 Left 0 !.tran 0 55n 0