Version 4
SHEET 1 1832 1236
WIRE 544 -80 -576 -80
WIRE 1088 -80 544 -80
WIRE 1232 -80 1088 -80
WIRE 1232 -64 1232 -80
WIRE 1088 16 1088 0
WIRE 1152 16 1088 16
WIRE 1184 16 1152 16
WIRE 1088 48 1088 16
WIRE -80 64 -480 64
WIRE 240 64 -80 64
WIRE 352 64 240 64
WIRE 848 64 352 64
WIRE 1152 64 1152 16
WIRE 1232 64 1232 32
WIRE 704 128 -16 128
WIRE 800 128 784 128
WIRE 896 128 800 128
WIRE 896 144 896 128
WIRE 1088 144 1088 112
WIRE 1104 144 1088 144
WIRE 1152 144 1152 128
WIRE 1152 144 1104 144
WIRE 1232 144 1152 144
WIRE 1456 144 1232 144
WIRE 1232 176 1232 144
WIRE -176 192 -192 192
WIRE -16 192 -16 128
WIRE -16 192 -96 192
WIRE 32 192 16 192
WIRE 128 192 112 192
WIRE 144 192 128 192
WIRE 336 192 224 192
WIRE 1104 192 1104 144
WIRE -576 208 -576 -80
WIRE -480 208 -480 64
WIRE 16 224 16 192
WIRE 848 240 848 64
WIRE 800 256 800 128
WIRE 816 256 800 256
WIRE -80 272 -80 64
WIRE 240 272 240 64
WIRE 896 272 896 208
WIRE 896 272 880 272
WIRE 960 272 896 272
WIRE 1056 272 1040 272
WIRE -336 288 -384 288
WIRE -192 288 -192 192
WIRE -192 288 -256 288
WIRE -112 288 -192 288
WIRE -16 288 -16 192
WIRE 32 288 -16 288
WIRE 128 288 128 192
WIRE 128 288 112 288
WIRE 208 288 128 288
WIRE 816 288 784 288
WIRE -576 304 -576 288
WIRE -480 304 -480 288
WIRE -480 304 -576 304
WIRE -16 304 -16 288
WIRE -16 304 -48 304
WIRE 336 304 336 192
WIRE 336 304 272 304
WIRE -576 320 -576 304
WIRE -480 320 -480 304
WIRE -112 320 -192 320
WIRE 208 320 128 320
WIRE 1104 320 1104 288
WIRE 784 352 784 288
WIRE 1232 352 1232 256
WIRE 1232 352 784 352
WIRE -192 368 -192 320
WIRE 128 368 128 320
WIRE 128 368 -192 368
WIRE 1232 384 1232 352
WIRE -384 400 -384 288
WIRE -192 400 -192 368
WIRE -384 496 -384 480
WIRE -192 496 -192 480
WIRE 544 544 544 -80
WIRE 1088 544 544 544
WIRE 1232 544 1088 544
WIRE 1232 560 1232 544
WIRE -480 608 -480 400
WIRE -80 608 -80 336
WIRE -80 608 -480 608
WIRE 240 608 240 336
WIRE 240 608 -80 608
WIRE 320 608 240 608
WIRE 848 608 848 304
WIRE 848 608 320 608
WIRE 1088 640 1088 624
WIRE 1152 640 1088 640
WIRE 1184 640 1152 640
WIRE 1088 672 1088 640
WIRE 352 688 352 64
WIRE 848 688 352 688
WIRE 1152 688 1152 640
WIRE 1232 688 1232 656
WIRE 336 752 336 304
WIRE 704 752 336 752
WIRE 800 752 784 752
WIRE 896 752 800 752
WIRE 1088 768 1088 736
WIRE 1104 768 1088 768
WIRE 1152 768 1152 752
WIRE 1152 768 1104 768
WIRE 1232 768 1152 768
WIRE 1456 768 1232 768
WIRE 896 784 896 752
WIRE 1232 800 1232 768
WIRE -48 816 -128 816
WIRE 32 816 16 816
WIRE 1104 816 1104 768
WIRE -128 848 -128 816
WIRE -128 848 -160 848
WIRE 32 848 32 816
WIRE 112 848 32 848
WIRE 848 864 848 688
WIRE 800 880 800 752
WIRE 816 880 800 880
WIRE -128 896 -128 848
WIRE -112 896 -128 896
WIRE 32 896 32 848
WIRE 32 896 -32 896
WIRE 896 896 896 848
WIRE 896 896 880 896
WIRE 960 896 896 896
WIRE 1056 896 1040 896
WIRE 816 912 784 912
WIRE 1104 944 1104 912
WIRE 784 976 784 912
WIRE 1232 976 1232 880
WIRE 1232 976 784 976
WIRE 1232 992 1232 976
WIRE 320 1088 320 608
WIRE 848 1088 848 928
WIRE 848 1088 320 1088
FLAG -576 320 0
FLAG 1104 320 0
FLAG -384 496 0
FLAG -192 496 0
FLAG 16 224 0
FLAG 1456 144 A
FLAG 1232 464 0
FLAG 1104 944 0
FLAG 1456 768 B
FLAG 1232 1072 0
FLAG -160 848 A
FLAG -384 288 in
FLAG 112 848 B
SYMBOL voltage -480 304 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -480 192 R0
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL voltage -576 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value 1200
SYMBOL Opamps\\opamp2 848 208 R0
SYMATTR InstName U1
SYMATTR Value TL084
SYMBOL voltage -384 384 R0
WINDOW 123 24 124 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value2 AC 1 0
SYMATTR InstName V4
SYMATTR Value SINE(0 1 10k)
SYMBOL Opamps\\opamp2 -80 240 R0
SYMATTR InstName U3
SYMATTR Value TL084
SYMBOL res -240 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 2k
SYMBOL res -80 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL voltage -192 384 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V5
SYMATTR Value 1
SYMBOL Opamps\\opamp2 240 240 R0
SYMATTR InstName U4
SYMATTR Value TL084
SYMBOL res 240 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL res 128 272 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res 128 176 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 1k
SYMBOL res 800 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL cap 880 144 R0
SYMATTR InstName C3
SYMATTR Value 56p
SYMBOL res 1216 160 R0
SYMATTR InstName R13
SYMATTR Value 3MEG
SYMBOL nmos 1056 816 R0
SYMATTR InstName M3
SYMATTR Value stw3n150
SYMATTR Prefix X
SYMBOL Opamps\\opamp2 848 832 R0
SYMATTR InstName U5
SYMATTR Value TL084
SYMBOL res 800 736 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 10k
SYMBOL cap 880 784 R0
SYMATTR InstName C6
SYMATTR Value 56p
SYMBOL res 1056 880 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 220
SYMBOL res 1216 784 R0
SYMATTR InstName R21
SYMATTR Value 3MEG
SYMBOL res -16 880 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 10MEG
SYMBOL cap 16 832 M270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C7
SYMATTR Value 200p
SYMBOL res 1056 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R11
SYMATTR Value 220
SYMBOL res 1216 368 R0
SYMATTR InstName R4
SYMATTR Value 30k
SYMBOL res 1216 976 R0
SYMATTR InstName R17
SYMATTR Value 30k
SYMBOL nmos 1056 192 R0
SYMATTR InstName M2
SYMATTR Value stw3n150
SYMATTR Prefix X
SYMBOL nmos 1184 -64 R0
SYMATTR InstName M1
SYMATTR Value stw3n150
SYMATTR Prefix X
SYMBOL res 1216 48 R0
SYMATTR InstName R2
SYMATTR Value 680
SYMBOL res 1072 -96 R0
SYMATTR InstName R3
SYMATTR Value 470k
SYMBOL zener 1104 112 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value BZX84C15L
SYMBOL cap 1136 64 R0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL nmos 1184 560 R0
SYMATTR InstName M4
SYMATTR Value stw3n150
SYMATTR Prefix X
SYMBOL res 1216 672 R0
SYMATTR InstName R1
SYMATTR Value 680
SYMBOL res 1072 528 R0
SYMATTR InstName R12
SYMATTR Value 470k
SYMBOL zener 1104 736 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value BZX84C15L
SYMBOL cap 1136 688 R0
SYMATTR InstName C2
SYMATTR Value 100n
TEXT -432 1032 Left 2 !.inc sihfbg30.lib
TEXT -432 1064 Left 2 !.tran 0 300µ 0 1u
TEXT -432 1008 Left 2 !.inc TL084.301
TEXT -600 928 Left 2 !;ac dec 100 1k 1MEG
TEXT -424 832 Left 2 !.inc stw3n150.lib