Version 4
SHEET 1 2168 752
WIRE -288 -192 -736 -192
WIRE -144 -192 -224 -192
WIRE 80 -192 -144 -192
WIRE 208 -192 80 -192
WIRE 272 -192 208 -192
WIRE -144 -160 -144 -192
WIRE 80 -160 80 -192
WIRE -624 -128 -656 -128
WIRE -432 -128 -544 -128
WIRE -400 -128 -432 -128
WIRE -304 -128 -320 -128
WIRE -656 -96 -656 -128
WIRE -736 -48 -736 -192
WIRE -624 -48 -736 -48
WIRE -512 -48 -544 -48
WIRE 80 -16 80 -80
WIRE -432 0 -432 -128
WIRE -400 0 -432 0
WIRE 80 0 80 -16
WIRE -304 16 -304 -128
WIRE -304 16 -336 16
WIRE -288 16 -304 16
WIRE -144 16 -144 -80
WIRE -144 16 -224 16
WIRE -96 16 -144 16
WIRE -80 16 -96 16
WIRE 32 16 0 16
WIRE -624 32 -736 32
WIRE -512 32 -512 -48
WIRE -512 32 -544 32
WIRE -464 32 -512 32
WIRE -400 32 -464 32
WIRE -144 32 -144 16
WIRE 272 32 272 -192
WIRE -464 48 -464 32
WIRE -144 144 -144 112
WIRE -144 144 -208 144
WIRE -80 144 -144 144
WIRE 32 144 0 144
WIRE 80 144 80 96
WIRE 80 144 32 144
WIRE 96 144 80 144
WIRE 176 144 160 144
WIRE -624 160 -656 160
WIRE -432 160 -544 160
WIRE -400 160 -432 160
WIRE -304 160 -320 160
WIRE -144 176 -144 144
WIRE -656 192 -656 160
WIRE 80 192 80 144
WIRE -736 208 -736 32
WIRE -736 256 -736 208
WIRE -624 256 -736 256
WIRE -512 256 -544 256
WIRE -432 256 -432 160
WIRE -400 256 -432 256
WIRE -304 272 -304 160
WIRE -304 272 -336 272
WIRE -288 272 -304 272
WIRE -144 272 -144 256
WIRE -144 272 -224 272
WIRE -96 272 -144 272
WIRE -80 272 -96 272
WIRE 32 272 0 272
WIRE -512 288 -512 256
WIRE -432 288 -512 288
WIRE -400 288 -432 288
WIRE -432 304 -432 288
WIRE 80 304 80 288
WIRE 176 320 176 144
WIRE -736 336 -736 256
WIRE -208 336 -208 144
WIRE 272 336 272 112
WIRE -624 352 -656 352
WIRE -512 352 -512 288
WIRE -512 352 -544 352
WIRE -144 368 -144 272
WIRE 80 368 80 304
WIRE -656 384 -656 352
WIRE -464 400 -464 128
WIRE -432 400 -432 384
WIRE -432 400 -464 400
WIRE -736 480 -736 416
WIRE -208 480 -208 400
WIRE -208 480 -736 480
WIRE -144 480 -144 448
WIRE -144 480 -208 480
WIRE 80 480 80 448
WIRE 80 480 -144 480
WIRE 272 480 272 416
WIRE 272 480 80 480
WIRE -464 496 -464 400
WIRE 176 496 176 400
WIRE 176 496 -464 496
WIRE -464 512 -464 496
WIRE 80 528 80 480
WIRE -464 608 -464 592
FLAG 80 528 0
FLAG 32 144 Drain
FLAG 80 -16 Sp
FLAG 80 304 Sn
FLAG -96 16 Gp
FLAG -96 272 Gn
FLAG 208 -192 +Ub
FLAG 176 144 out
FLAG -656 192 0
FLAG -736 208 in
FLAG -656 384 0
FLAG -656 -96 0
FLAG -464 608 0
SYMBOL nmos 32 192 R0
SYMATTR InstName M1
SYMATTR Value IRFP240
SYMBOL pmos 32 96 M180
SYMATTR InstName M2
SYMATTR Value IRFP9240
SYMBOL Misc\\EuropeanResistor 64 -176 R0
SYMATTR InstName R1
SYMATTR Value .5
SYMBOL Misc\\EuropeanResistor 64 352 R0
SYMATTR InstName R2
SYMATTR Value .5
SYMBOL Misc\\EuropeanResistor 16 0 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 16 256 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 16 128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL voltage 272 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 120
SYMBOL cap -224 336 R0
WINDOW 3 -48 61 Left 2
SYMATTR Value 10µF
SYMATTR InstName C1
SYMBOL Misc\\EuropeanResistor -160 16 R0
SYMATTR InstName R6
SYMATTR Value 1200K
SYMBOL Misc\\EuropeanResistor -160 160 R0
SYMATTR InstName R7
SYMATTR Value 1200K
SYMBOL Misc\\EuropeanResistor -160 -176 R0
SYMATTR InstName R8
SYMATTR Value 180K
SYMBOL Misc\\EuropeanResistor -160 352 R0
SYMATTR InstName R9
SYMATTR Value 180K
SYMBOL cap 160 128 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 30 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 470µ
SYMBOL Opamps\\opamp -368 208 R0
SYMATTR InstName U1
SYMBOL Opamps\\opamp -368 -48 R0
SYMATTR InstName U2
SYMBOL Misc\\EuropeanResistor -304 -144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -304 144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 33 58 VTop 2
SYMATTR InstName R25
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 240 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R26
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 -64 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 100K
SYMBOL cap -224 -208 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 2µ2
SYMATTR SpiceLine V=100V
SYMBOL cap -224 0 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 100n
SYMATTR SpiceLine V=100
SYMBOL cap -224 256 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL voltage -736 320 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 12 130 Left 2
SYMATTR Value SINE(0 {Uin} 400)
SYMATTR InstName V2
SYMBOL Misc\\EuropeanResistor -528 336 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R29
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 -144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 100K
SYMBOL voltage 272 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 0)
SYMBOL Misc\\EuropeanResistor -480 144 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R31
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -448 400 M180
WINDOW 0 31 76 Left 2
WINDOW 3 31 40 Left 2
SYMATTR InstName R32
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -480 496 R0
SYMATTR InstName R33
SYMATTR Value .3
SYMBOL Misc\\EuropeanResistor 160 304 R0
SYMATTR InstName R11
SYMATTR Value 20
TEXT -832 552 Left 2 !.tran 0 15m 5m 1m
TEXT 192 296 Left 2 ;Speaker
TEXT -616 520 Left 2 !.lib irfp9240.lib
TEXT -408 528 Left 2 ;http://www.vishay.com/mosfets/list/product-91239/
TEXT -680 416 Left 2 ;PA_GND
TEXT -616 544 Left 2 !.lib opamp.sub
TEXT 288 144 Left 2 ;ripple_gen.
TEXT -832 520 Left 2 !.step dec param Uin .25m 2.5 10
TEXT -672 576 Left 2 !.meas Pout avg V(out)*I(R11)