Version 4
SHEET 1 880 680
WIRE 352 0 192 0
WIRE 432 0 352 0
WIRE 656 0 528 0
WIRE 192 32 192 0
WIRE 656 32 656 0
WIRE 656 32 544 32
WIRE 784 32 656 32
WIRE 352 64 352 0
WIRE 544 64 544 32
WIRE 656 96 656 32
WIRE 784 128 784 32
WIRE 192 144 192 112
WIRE 544 160 544 144
WIRE 352 176 352 144
WIRE 448 176 448 48
WIRE 448 176 352 176
WIRE 352 192 352 176
WIRE 544 256 544 224
WIRE 656 256 656 224
WIRE 656 256 544 256
WIRE 784 256 784 192
WIRE 784 256 656 256
WIRE 304 272 192 272
WIRE 656 288 656 256
WIRE 192 304 192 272
WIRE 352 400 352 288
WIRE 656 400 656 368
WIRE 656 400 352 400
WIRE 192 416 192 384
WIRE 656 416 656 400
FLAG 192 416 0
FLAG 656 416 0
FLAG 192 144 0
SYMBOL nmos 304 192 R0
SYMATTR InstName M1
SYMATTR Value bs170
SYMATTR Prefix X
SYMBOL pmos 528 48 M270
SYMATTR InstName M2
SYMATTR Value irf9530
SYMATTR Prefix X
SYMBOL res 336 48 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL voltage 192 288 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 24 40 Left 2
SYMATTR Value PULSE(0 5 0 50u 50u 4.9m 10m)
SYMATTR InstName V1
SYMBOL pmdc-motor 656 160 R0
SYMATTR InstName X1
SYMATTR Prefix X
SYMATTR Value duty_cycle=50
SYMATTR SpiceModel pmdc-motor
SYMBOL voltage 192 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 8
SYMBOL res 640 272 R0
SYMATTR InstName R3
SYMATTR Value 1
SYMBOL diode 800 192 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N4001
SYMBOL res 528 48 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap 528 160 R0
SYMATTR InstName C1
SYMATTR Value 1µ
TEXT -136 136 Left 2 !.tran 10m
TEXT -136 64 Left 2 !.include wvwspice.lib