Version 4
SHEET 1 2168 680
WIRE -304 -176 -640 -176
WIRE -208 -176 -304 -176
WIRE 64 -176 -208 -176
WIRE 288 -176 64 -176
WIRE 384 -176 288 -176
WIRE 432 -176 384 -176
WIRE 592 -176 432 -176
WIRE 912 -176 592 -176
WIRE 1216 -176 912 -176
WIRE 1568 -176 1216 -176
WIRE 64 -144 64 -176
WIRE 288 -144 288 -176
WIRE 384 -144 384 -176
WIRE 592 -144 592 -176
WIRE 912 -144 912 -176
WIRE 1216 -144 1216 -176
WIRE -208 -128 -208 -176
WIRE -624 -112 -704 -112
WIRE -464 -112 -544 -112
WIRE -432 -112 -464 -112
WIRE -256 -112 -352 -112
WIRE -640 -32 -640 -176
WIRE -624 -32 -640 -32
WIRE -512 -32 -544 -32
WIRE 64 -32 64 -64
WIRE 384 -32 384 -80
WIRE 384 -32 64 -32
WIRE 688 -32 384 -32
WIRE 992 -32 688 -32
WIRE -304 0 -304 -176
WIRE 288 0 288 -64
WIRE -464 16 -464 -112
WIRE -336 16 -464 16
WIRE 288 16 288 0
WIRE 592 16 592 -64
WIRE 912 16 912 -64
WIRE 1216 16 1216 -64
WIRE -256 32 -256 -112
WIRE -256 32 -272 32
WIRE -176 32 -256 32
WIRE -80 32 -96 32
WIRE 64 32 64 -32
WIRE 64 32 -16 32
WIRE 112 32 64 32
WIRE 128 32 112 32
WIRE 240 32 208 32
WIRE 384 32 384 -32
WIRE 416 32 384 32
WIRE 544 32 496 32
WIRE 688 32 688 -32
WIRE 736 32 688 32
WIRE 864 32 816 32
WIRE 992 32 992 -32
WIRE 1040 32 992 32
WIRE 1168 32 1120 32
WIRE -704 48 -704 -112
WIRE -624 48 -640 48
WIRE -512 48 -512 -32
WIRE -512 48 -544 48
WIRE -336 48 -512 48
WIRE 64 48 64 32
WIRE 1568 48 1568 -176
WIRE -640 112 -640 48
WIRE -304 112 -304 64
WIRE -304 112 -640 112
WIRE -208 112 -208 -48
WIRE -208 112 -304 112
WIRE 64 160 64 128
WIRE 64 160 0 160
WIRE 128 160 64 160
WIRE 240 160 208 160
WIRE 288 160 288 112
WIRE 288 160 240 160
WIRE 592 160 592 112
WIRE 592 160 288 160
WIRE 912 160 912 112
WIRE 912 160 592 160
WIRE 1216 160 1216 112
WIRE 1216 160 912 160
WIRE 1248 160 1216 160
WIRE 1344 160 1312 160
WIRE -704 176 -704 112
WIRE -656 176 -704 176
WIRE -560 176 -592 176
WIRE -400 176 -480 176
WIRE -368 176 -400 176
WIRE -256 176 -288 176
WIRE 64 192 64 160
WIRE 288 208 288 160
WIRE 592 208 592 160
WIRE 912 208 912 160
WIRE 1216 208 1216 160
WIRE -704 224 -704 176
WIRE -304 224 -592 224
WIRE -224 224 -304 224
WIRE 1344 224 1344 160
WIRE -304 256 -304 224
WIRE -592 272 -592 224
WIRE -560 272 -592 272
WIRE -448 272 -480 272
WIRE -400 272 -400 176
WIRE -336 272 -400 272
WIRE -256 288 -256 176
WIRE -256 288 -272 288
WIRE -176 288 -256 288
WIRE -80 288 -96 288
WIRE 64 288 64 272
WIRE 64 288 -16 288
WIRE 112 288 64 288
WIRE 128 288 112 288
WIRE 240 288 208 288
WIRE 416 288 384 288
WIRE 544 288 496 288
WIRE 736 288 688 288
WIRE 864 288 816 288
WIRE 1040 288 992 288
WIRE 1168 288 1120 288
WIRE -448 304 -448 272
WIRE -336 304 -448 304
WIRE 288 320 288 304
WIRE 1344 336 1344 224
WIRE -704 352 -704 224
WIRE -224 352 -224 224
WIRE 0 352 0 160
WIRE 64 352 64 288
WIRE 384 352 384 288
WIRE 384 352 64 352
WIRE 688 352 688 288
WIRE 688 352 384 352
WIRE 992 352 992 288
WIRE 992 352 688 352
WIRE 1568 352 1568 128
WIRE -560 368 -592 368
WIRE -448 368 -448 304
WIRE -448 368 -480 368
WIRE 64 384 64 352
WIRE 288 384 288 320
WIRE 592 384 592 304
WIRE 912 384 912 304
WIRE 1216 384 1216 304
WIRE 384 400 384 352
WIRE -704 496 -704 432
WIRE -592 496 -592 368
WIRE -592 496 -704 496
WIRE -304 496 -304 320
WIRE -304 496 -592 496
WIRE -224 496 -224 432
WIRE -224 496 -304 496
WIRE 0 496 0 416
WIRE 0 496 -224 496
WIRE 64 496 64 464
WIRE 64 496 0 496
WIRE 288 496 288 464
WIRE 288 496 64 496
WIRE 384 496 384 464
WIRE 384 496 288 496
WIRE 592 496 592 464
WIRE 592 496 384 496
WIRE 912 496 912 464
WIRE 912 496 592 496
WIRE 1216 496 1216 464
WIRE 1216 496 912 496
WIRE 1344 496 1344 416
WIRE 1344 496 1216 496
WIRE 1568 496 1568 432
WIRE 1568 496 1344 496
WIRE 288 528 288 496
WIRE -592 544 -592 496
FLAG 288 528 0
FLAG 240 160 Drain
FLAG 288 0 Sp
FLAG 288 320 Sn
FLAG 112 32 Gp
FLAG 112 288 Gn
FLAG 432 -176 +Ub
FLAG -704 224 in
FLAG -592 544 0
FLAG 1344 224 out
SYMBOL nmos 240 208 R0
SYMATTR InstName M1
SYMATTR Value IRFP240
SYMBOL pmos 240 112 M180
SYMATTR InstName M2
SYMATTR Value IRFP9240
SYMBOL Misc\\EuropeanResistor 272 -160 R0
SYMATTR InstName R1
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 272 368 R0
SYMATTR InstName R2
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 224 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 224 272 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 224 144 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL voltage 1568 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 62V
SYMBOL cap -16 352 R0
WINDOW 3 -48 61 Left 2
SYMATTR Value 10µF
SYMATTR InstName C1
SYMBOL Misc\\EuropeanResistor 48 32 R0
SYMATTR InstName R6
SYMATTR Value 1200K
SYMBOL Misc\\EuropeanResistor 48 176 R0
SYMATTR InstName R7
SYMATTR Value 1200K
SYMBOL Misc\\EuropeanResistor 48 -160 R0
SYMATTR InstName R8
SYMATTR Value 180K
SYMBOL Misc\\EuropeanResistor 48 368 R0
SYMATTR InstName R9
SYMATTR Value 180K
SYMBOL res 1328 320 R0
SYMATTR InstName R11
SYMATTR Value 16R
SYMBOL cap 1312 144 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 30 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 470µ
SYMBOL pmos 544 112 M180
SYMATTR InstName M3
SYMATTR Value IRFP9240
SYMBOL pmos 864 112 M180
SYMATTR InstName M4
SYMATTR Value IRFP9240
SYMBOL pmos 1168 112 M180
SYMATTR InstName M5
SYMATTR Value IRFP9240
SYMBOL Misc\\EuropeanResistor 512 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R12
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 832 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R13
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 1136 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R14
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 576 -160 R0
SYMATTR InstName R15
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 896 -160 R0
SYMATTR InstName R16
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 1200 -160 R0
SYMATTR InstName R17
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 576 368 R0
SYMATTR InstName R18
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 896 368 R0
SYMATTR InstName R19
SYMATTR Value 2R2
SYMBOL Misc\\EuropeanResistor 1200 368 R0
SYMATTR InstName R20
SYMATTR Value 2R2
SYMBOL nmos 544 208 R0
SYMATTR InstName M6
SYMATTR Value IRFP240
SYMBOL nmos 864 208 R0
SYMATTR InstName M7
SYMATTR Value IRFP240
SYMBOL nmos 1168 208 R0
SYMATTR InstName M8
SYMATTR Value IRFP240
SYMBOL Misc\\EuropeanResistor 512 272 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 832 272 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor 1136 272 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 100R
SYMBOL Misc\\EuropeanResistor -336 -128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -272 160 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 32 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 22 57 VTop 2
SYMATTR InstName R25
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -464 256 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R26
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -464 160 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 -48 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R28
SYMATTR Value 100K
SYMBOL cap -16 16 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 -16 272 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C6
SYMATTR Value 100n
SYMBOL voltage -704 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 34 Left 2
WINDOW 3 -89 188 Left 2
SYMATTR SpiceLine Rser=10k
SYMATTR Value SINE(0 1 400)
SYMATTR InstName V2
SYMBOL Misc\\EuropeanResistor -464 352 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R29
SYMATTR Value 100K
SYMBOL Misc\\EuropeanResistor -528 -128 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R30
SYMATTR Value 100K
SYMBOL voltage 1568 32 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value SINE(0 0)
SYMBOL zener 400 -80 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -145 37 Left 2
SYMATTR InstName D1
SYMATTR Value BZX84C6V2L
SYMBOL zener 400 464 R180
WINDOW 0 24 64 Left 2
WINDOW 3 -149 33 Left 2
SYMATTR InstName D2
SYMATTR Value BZX84C6V2L
SYMBOL Misc\\EuropeanResistor -80 16 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R31
SYMATTR Value 1K
SYMBOL Misc\\EuropeanResistor -80 272 R90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R32
SYMATTR Value 1K
SYMBOL Opamps\\UniversalOpamp2 -304 32 R0
SYMATTR InstName U2
SYMBOL voltage -208 -144 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 12
SYMBOL cap -688 112 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMATTR SpiceLine V=100
SYMBOL cap -592 160 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 100n
SYMATTR SpiceLine V=100
SYMBOL voltage -224 336 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 12
SYMBOL Opamps\\UniversalOpamp2 -304 288 R0
SYMATTR InstName U1
TEXT -800 560 Left 2 !.tran 0 25m 0 50µ
TEXT 1384 296 Left 2 ;Speaker
TEXT 704 -232 Left 2 !.lib irfp9240.lib
TEXT 712 -272 Left 2 ;http://www.vishay.com/mosfets/list/product-91239/
TEXT -672 520 Left 2 ;PA_GND
TEXT 1584 160 Left 2 ;ripple_gen.
TEXT -288 -200 Left 2 ;PSRR