Version 4
SHEET 1 1072 912
WIRE -1632 -1488 -1792 -1488
WIRE -1344 -1488 -1488 -1488
WIRE -1232 -1488 -1264 -1488
WIRE -1120 -1488 -1152 -1488
WIRE -1024 -1488 -1120 -1488
WIRE -912 -1488 -1024 -1488
WIRE -768 -1488 -912 -1488
WIRE -1024 -1456 -1024 -1488
WIRE -1792 -1440 -1792 -1488
WIRE -1120 -1440 -1120 -1488
WIRE -912 -1408 -912 -1488
WIRE -1024 -1344 -1024 -1376
WIRE -1024 -1344 -1056 -1344
WIRE -1120 -1328 -1120 -1360
WIRE -1024 -1312 -1024 -1344
WIRE -1792 -1200 -1792 -1360
WIRE -1552 -1200 -1552 -1440
WIRE -1552 -1200 -1792 -1200
WIRE -1120 -1200 -1120 -1264
WIRE -1120 -1200 -1552 -1200
WIRE -1024 -1200 -1024 -1232
WIRE -1024 -1200 -1120 -1200
WIRE -912 -1200 -912 -1344
WIRE -912 -1200 -1024 -1200
WIRE -880 -1184 -880 -1200
WIRE -1792 -1168 -1792 -1200
WIRE -1616 -1120 -1616 -1440
WIRE -1200 -1040 -1248 -1040
WIRE -1056 -1040 -1056 -1344
WIRE -1056 -1040 -1136 -1040
WIRE -880 -1040 -1056 -1040
WIRE -1248 -960 -1248 -1040
WIRE -1152 -960 -1168 -960
WIRE -1056 -960 -1056 -1040
WIRE -1056 -960 -1088 -960
WIRE -1056 -880 -1056 -960
WIRE -1056 -880 -1136 -880
WIRE -1616 -864 -1616 -912
WIRE -1248 -864 -1248 -960
WIRE -1248 -864 -1616 -864
WIRE -1200 -864 -1248 -864
WIRE -1056 -848 -1136 -848
WIRE -1056 -800 -1056 -848
WIRE -1056 -704 -1056 -720
FLAG -1792 -1168 0
FLAG -1056 -704 0
FLAG -768 -1488 out
IOPIN -768 -1488 Out
FLAG -880 -1200 out
SYMBOL PWMVM -1584 -1456 R0
SYMATTR InstName X1
SYMATTR SpiceLine L=100u Fs=100k
SYMBOL voltage -1792 -1456 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 38 50 Left 0
WINDOW 3 35 91 Left 0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL res -1136 -1456 R0
WINDOW 0 -39 44 Left 0
WINDOW 3 -44 74 Left 0
SYMATTR InstName R1
SYMATTR Value {R}
SYMBOL res -1040 -1328 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL ind -1248 -1472 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 100µ
SYMBOL voltage -1056 -816 R0
WINDOW 0 43 35 Left 0
WINDOW 3 43 66 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vref
SYMATTR Value 2.5
SYMBOL res -1040 -1472 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL ampsimp -1168 -864 M0
WINDOW 38 0 0 Left 0
WINDOW 3 -59 55 Left 0
WINDOW 39 -59 83 Left 0
SYMATTR SpiceModel ""
SYMATTR Value AMPSIMP
SYMATTR InstName U1
SYMBOL cap -1136 -1056 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 350p
SYMBOL res -1152 -976 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 20k
SYMBOL cap -1152 -944 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName C3
SYMATTR Value 11n
SYMBOL res -896 -1200 R0
WINDOW 0 36 47 Left 0
WINDOW 3 36 72 Left 0
SYMATTR InstName R6
SYMATTR Value 321
SYMBOL cap -896 -1104 R0
WINDOW 0 -54 22 Left 0
WINDOW 3 -52 49 Left 0
SYMATTR InstName C5
SYMATTR Value 22n
SYMBOL res -1360 -1472 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R5
SYMATTR Value 10m
SYMBOL cap -1136 -1328 R0
WINDOW 0 -56 32 Left 0
WINDOW 3 -57 64 Left 0
SYMATTR InstName C1
SYMATTR Value 1000µ
SYMBOL load -928 -1408 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value PULSE(100m 2.5 5m 100u 100u)
SYMBOL gain -1616 -992 R270
SYMATTR InstName U2
SYMATTR SpiceLine Gain = .5
TEXT -1544 -1112 Left 0 !;ac dec 20 10 100000
TEXT -1544 -1136 Left 0 !.tran 0 10m 100u 5u
TEXT -1520 -1416 Left 0 ;Fs=100k\nL=100u
TEXT -880 -1312 Left 0 !.step param R 1m 50m 15m; step from 1m to 50m in 15m steps
TEXT -1136 -1576 Left 0 !.include application.lib\n.include pwmswitch.lib