Version 4
SHEET 1 1320 1428
WIRE 48 -112 0 -112
WIRE 656 -112 144 -112
WIRE -64 -16 -304 -16
WIRE 416 -16 -64 -16
WIRE 448 -16 416 -16
WIRE 656 -16 656 -112
WIRE 656 -16 544 -16
WIRE 720 -16 656 -16
WIRE 848 -16 720 -16
WIRE 720 0 720 -16
WIRE 848 0 848 -16
WIRE -304 16 -304 -16
WIRE 0 48 0 -112
WIRE 96 48 0 48
WIRE 416 48 416 -16
WIRE 416 48 384 48
WIRE 720 96 720 64
WIRE 848 96 848 80
WIRE 64 112 64 -64
WIRE 96 112 64 112
WIRE 464 112 464 32
WIRE 464 112 384 112
WIRE -304 128 -304 96
WIRE -144 128 -304 128
WIRE 0 128 0 48
WIRE 0 128 -144 128
WIRE 96 176 32 176
WIRE 656 176 656 -16
WIRE 656 176 384 176
WIRE 96 240 64 240
WIRE 416 240 384 240
WIRE 32 288 32 176
WIRE 64 288 64 240
WIRE 304 288 64 288
WIRE -64 336 -64 -16
WIRE -48 336 -64 336
WIRE 416 336 416 240
WIRE 416 336 48 336
WIRE 304 384 304 288
WIRE -144 432 -144 128
WIRE 224 432 -144 432
WIRE 416 432 416 336
WIRE 416 432 320 432
WIRE 448 432 416 432
FLAG 848 -16 OUT
FLAG 720 96 0
FLAG 848 96 0
FLAG 448 432 0
SYMBOL cap 704 0 R0
SYMATTR InstName C1
SYMATTR Value 200µ
SYMBOL voltage -304 0 R0
WINDOW 123 24 138 Left 2
WINDOW 39 42 56 Left 2
SYMATTR SpiceLine Rser=.5
SYMATTR InstName V1
SYMATTR Value SINE(0 36 400)
SYMBOL nmos 144 -64 M270
WINDOW 0 55 44 VTop 2
WINDOW 3 -14 71 VLeft 2
SYMATTR InstName Q1
SYMATTR Value IPD220N06L3
SYMBOL nmos 544 32 M270
WINDOW 0 56 43 VTop 2
WINDOW 3 -15 73 VLeft 2
SYMATTR InstName Q2
SYMATTR Value IPD220N06L3
SYMBOL nmos 224 384 M90
WINDOW 0 5 48 VBottom 2
WINDOW 3 54 48 VTop 2
SYMATTR InstName Q3
SYMATTR Value IPD220N06L3
SYMBOL nmos -48 288 M90
WINDOW 0 4 52 VBottom 2
WINDOW 3 57 43 VTop 2
SYMATTR InstName Q4
SYMATTR Value IPD220N06L3
SYMBOL LT4320-1 240 144 R0
SYMATTR InstName U1
SYMBOL res 832 -16 R0
SYMATTR InstName Rload
SYMATTR Value 32
TEXT 704 384 Left 2 !.tran 12.5m