Version 4 SHEET 1 880 808 WIRE 64 -656 -512 -656 WIRE 224 -656 64 -656 WIRE 320 -656 224 -656 WIRE 416 -656 320 -656 WIRE -512 -624 -512 -656 WIRE 64 -624 64 -656 WIRE 416 -592 416 -656 WIRE 224 -576 224 -656 WIRE 320 -480 320 -656 WIRE 416 -480 416 -512 WIRE -512 -464 -512 -544 WIRE -96 -464 -512 -464 WIRE 224 -464 224 -512 WIRE 224 -464 -96 -464 WIRE 272 -464 224 -464 WIRE -512 -432 -512 -464 WIRE -96 -432 -96 -464 WIRE 64 -384 64 -544 WIRE 64 -384 -32 -384 WIRE 64 -368 64 -384 WIRE -96 -320 -96 -336 WIRE 0 -320 -96 -320 WIRE -96 -304 -96 -320 WIRE -768 -256 -800 -256 WIRE -608 -256 -688 -256 WIRE -480 -256 -608 -256 WIRE -208 -256 -416 -256 WIRE 64 -240 64 -272 WIRE -96 -192 -96 -224 WIRE -512 -160 -512 -368 WIRE -320 -160 -512 -160 WIRE -48 -160 -64 -160 WIRE -96 -96 -96 -128 WIRE -48 -96 -48 -160 WIRE -48 -96 -96 -96 WIRE -320 -80 -320 -160 WIRE -512 -64 -512 -160 WIRE -96 -64 -96 -96 WIRE -608 -48 -608 -256 WIRE -544 -48 -608 -48 WIRE -368 -32 -480 -32 WIRE -208 -32 -208 -256 WIRE -208 -32 -272 -32 WIRE -32 -32 -208 -32 WIRE 320 -32 320 -384 WIRE 320 -32 48 -32 WIRE 432 -32 320 -32 WIRE 528 -32 432 -32 WIRE -880 -16 -976 -16 WIRE -544 -16 -880 -16 WIRE -208 0 -208 -32 WIRE 432 0 432 -32 WIRE -976 16 -976 -16 WIRE 528 16 528 -32 WIRE -880 32 -880 -16 WIRE -352 48 -352 16 WIRE -512 112 -512 0 WIRE -320 112 -320 16 WIRE -320 112 -512 112 WIRE -208 112 -208 80 WIRE 432 112 432 64 WIRE 528 112 528 96 WIRE 528 112 432 112 WIRE 528 128 528 112 WIRE -976 160 -976 96 WIRE -880 160 -880 112 WIRE -880 160 -976 160 WIRE -880 176 -880 160 WIRE -608 176 -608 -48 WIRE -64 176 -608 176 WIRE 320 176 320 -32 WIRE 320 176 16 176 WIRE -512 256 -512 112 WIRE 320 320 320 176 WIRE 464 384 464 352 WIRE -512 400 -512 320 WIRE 240 400 -512 400 WIRE 272 400 240 400 WIRE -512 416 -512 400 WIRE 240 432 240 400 WIRE -512 528 -512 496 WIRE 240 528 240 496 WIRE 240 528 -512 528 WIRE 320 528 320 416 WIRE 320 528 240 528 WIRE 464 528 464 464 WIRE 464 528 320 528 FLAG 528 128 0 FLAG 416 -480 0 FLAG 464 352 0 FLAG 528 -32 out FLAG -880 176 0 FLAG -208 112 0 FLAG 64 -240 0 FLAG -800 -256 0 FLAG -352 48 0 FLAG -96 -64 0 SYMBOL res 512 0 R0 SYMATTR InstName R1 SYMATTR Value 8 SYMBOL res -528 -640 R0 SYMATTR InstName R7 SYMATTR Value 500 SYMBOL res -528 400 R0 SYMATTR InstName R8 SYMATTR Value 500 SYMBOL voltage 416 -608 R0 SYMATTR InstName V4 SYMATTR Value 30 SYMBOL voltage 464 368 R0 SYMATTR InstName V5 SYMATTR Value 30 SYMBOL res 64 -48 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R6 SYMATTR Value 1k SYMBOL cap 416 0 R0 SYMATTR InstName C1 SYMATTR Value 30pf SYMBOL res -224 -16 R0 SYMATTR InstName R2 SYMATTR Value 240 SYMBOL res 32 160 R90 WINDOW 0 0 56 VBottom 0 WINDOW 3 32 56 VTop 0 SYMATTR InstName R3 SYMATTR Value 18k SYMBOL npn 0 -368 R0 SYMATTR InstName Q1 SYMATTR Value 2N3904 SYMBOL npn -32 -432 M0 SYMATTR InstName Q2 SYMATTR Value 2N3904 SYMBOL res 48 -640 R0 SYMATTR InstName R4 SYMATTR Value 100k SYMBOL res -784 -240 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName R5 SYMATTR Value 2K SYMBOL cap -416 -272 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 14 VTop 0 SYMATTR InstName C2 SYMATTR Value 10p SYMBOL xopps -320 -32 R0 SYMATTR Value IQ=4m SYMATTR InstName U3 SYMBOL res -992 0 R0 SYMATTR InstName R12 SYMATTR Value 10k SYMBOL 1pole -512 -32 R0 SYMATTR InstName U4 SYMATTR Value2 Avol=1Meg GBW=5Meg Slew=10Meg SYMBOL voltage -880 16 R0 WINDOW 3 -134 206 Left 0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value SINE(0 2.7 1k 0 0 0 10) SYMATTR InstName V1 SYMBOL zener 240 -512 R180 WINDOW 0 24 72 Left 0 WINDOW 3 -2 -17 Left 0 SYMATTR InstName D3 SYMATTR Value BZX84C15L SYMBOL zener 256 496 R180 WINDOW 0 24 72 Left 0 WINDOW 3 37 30 Left 0 SYMATTR InstName D4 SYMATTR Value BZX84C15L SYMBOL zener -496 -368 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D5 SYMATTR Value BZX84C12L SYMBOL zener -496 320 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D6 SYMATTR Value BZX84C12L SYMBOL res -112 -320 R0 SYMATTR InstName R9 SYMATTR Value 250 SYMBOL nmos 272 -384 M180 SYMATTR InstName M1 SYMATTR Value IRF530 SYMBOL pmos 272 320 R0 SYMATTR InstName M2 SYMATTR Value IRFP9240 SYMBOL Robertugo\\Pote -80 -224 M0 SYMATTR InstName U5 SYMATTR Value Rt=.1K TEXT -1024 256 Left 0 !.tran 0 5ms 0 .1ms TEXT 384 168 Left 0 ;Drain to Heatsink Capacitance TEXT -1008 352 Left 0 !;op TEXT 16 -168 Left 0 ;Bias Adj. TEXT -1216 -544 Left 0 ;Ron Larson 1/2/04: Simple rail-to-rail MOSFET amp. TEXT -1224 -472 Left 0 ;Input amplitude and risetime must be limited or \nshoot-thru current WILL destroy MOSFET's. TEXT -1224 -512 Left 0 ;Using Helmut's pot and xopps symbols and models.