Version 4
SHEET 1 880 680
WIRE -176 16 -208 16
WIRE -128 16 -176 16
WIRE -16 16 -128 16
WIRE 320 16 64 16
WIRE -128 48 -128 16
WIRE 64 48 -48 48
WIRE 240 48 64 48
WIRE 320 48 320 16
WIRE 320 48 304 48
WIRE -176 64 -176 16
WIRE -48 64 -48 48
WIRE 64 96 64 48
WIRE 96 96 64 96
WIRE 240 96 176 96
WIRE 320 96 320 48
WIRE 320 96 304 96
WIRE 384 96 320 96
WIRE -128 128 -176 128
WIRE 240 128 240 96
WIRE -128 144 -128 128
WIRE -80 160 -256 160
WIRE -208 176 -208 16
WIRE -192 176 -208 176
WIRE -112 192 -128 192
WIRE -80 192 -80 160
WIRE -64 192 -80 192
WIRE -192 208 -208 208
WIRE 64 208 0 208
WIRE 176 208 176 192
WIRE 192 208 176 208
WIRE -64 224 -80 224
WIRE 144 224 144 208
WIRE 144 224 128 224
WIRE 64 240 48 240
WIRE -208 256 -208 208
WIRE -112 256 -112 192
WIRE -112 256 -128 256
WIRE 48 256 48 240
WIRE -80 272 -80 224
WIRE 0 272 0 208
WIRE -32 288 -32 240
WIRE 96 304 96 256
WIRE 144 304 96 304
WIRE 176 304 144 304
WIRE 224 304 176 304
WIRE -112 352 -112 256
WIRE -80 352 -112 352
WIRE 368 368 272 368
FLAG 320 160 0
FLAG 384 176 0
FLAG 240 224 0
FLAG -48 144 0
FLAG -128 144 0
FLAG 96 192 0
FLAG 48 336 0
FLAG 176 384 0
FLAG 144 208 drvin
FLAG 176 192 drvout
FLAG 416 304 0
FLAG 320 304 drvout
FLAG 272 368 drvin
FLAG -32 176 0
FLAG -32 368 0
FLAG -288 256 0
FLAG -256 80 0
SYMBOL ind 80 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 200µ
SYMBOL diode 240 112 R270
WINDOW 0 27 36 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D5
SYMBOL cap 304 96 R0
SYMATTR InstName C2
SYMATTR Value 100µ
SYMBOL res 368 80 R0
SYMATTR InstName R2
SYMATTR Value 1.1k
SYMBOL nmos 192 128 R0
SYMATTR InstName M1
SYMATTR Value BSZ16DN25NS3
SYMBOL diode 240 64 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D6
SYMBOL bv -48 48 R0
SYMATTR InstName B1
SYMATTR Value V=abs(325*sin(100*pi*time))
SYMBOL res -144 32 R0
SYMATTR InstName R3
SYMATTR Value 5k
SYMBOL res -32 32 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL cap -192 64 R0
SYMATTR InstName C1
SYMATTR Value 600n
SYMBOL Opamps\\opamp -160 256 M180
SYMATTR InstName U1
SYMBOL res -112 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res -192 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL voltage -256 176 R180
WINDOW 0 24 96 Left 2
WINDOW 3 28 27 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 4
SYMBOL voltage 48 240 R0
WINDOW 0 32 39 Left 2
WINDOW 3 -37 116 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 10 0 6.5u 6.5u 0 13u)
SYMBOL Comparators\\LM393 96 288 M180
SYMATTR InstName U3
SYMBOL res 128 208 R0
SYMATTR InstName R8
SYMATTR Value 3k
SYMBOL voltage 176 288 R0
WINDOW 0 14 7 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL npn 224 368 R270
SYMATTR InstName Q1
SYMBOL pnp 416 368 M270
SYMATTR InstName Q2
SYMBOL res 16 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 19 79 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res -64 368 R180
WINDOW 0 27 81 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value 300
SYMBOL Opamps\\UniversalOpamp2 -32 208 M180
SYMATTR InstName U2
SYMBOL voltage -32 272 R0
WINDOW 0 17 22 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 26 85 Left 2
SYMATTR InstName V4
SYMATTR Value 2
TEXT 0 112 Left 2 !.tran 100m
TEXT 112 136 Left 2 !.lib opamp.sub