Version 4
SHEET 1 4632 2804
WIRE 1440 -480 1360 -480
WIRE 1600 -480 1440 -480
WIRE 2368 -480 2048 -480
WIRE 2592 -480 2368 -480
WIRE 2688 -480 2592 -480
WIRE 2784 -480 2688 -480
WIRE 1360 -448 1360 -480
WIRE 1440 -448 1440 -480
WIRE 2688 -416 2688 -480
WIRE 2784 -416 2784 -480
WIRE 1440 -352 1440 -384
WIRE 1440 -352 1280 -352
WIRE 1600 -336 1600 -480
WIRE 1744 -336 1680 -336
WIRE 1984 -336 1824 -336
WIRE 2080 -336 1984 -336
WIRE 2192 -336 2160 -336
WIRE 2592 -336 2592 -480
WIRE 1280 -320 1280 -352
WIRE 2688 -304 2688 -336
WIRE 2784 -304 2784 -352
WIRE 2784 -304 2688 -304
WIRE 2880 -304 2784 -304
WIRE 2944 -304 2880 -304
WIRE 2688 -272 2688 -304
WIRE 2784 -272 2784 -304
WIRE 2944 -272 2944 -304
WIRE 2048 -240 2048 -480
WIRE 1984 -224 1984 -336
WIRE 2016 -224 1984 -224
WIRE 2192 -208 2192 -336
WIRE 2192 -208 2080 -208
WIRE 2368 -208 2192 -208
WIRE 1936 -192 1840 -192
WIRE 2016 -192 1936 -192
WIRE 1280 -176 1280 -240
WIRE 1936 -160 1936 -192
WIRE 1600 -80 1600 -256
WIRE 1744 -80 1600 -80
WIRE 1840 -80 1840 -192
WIRE 1840 -80 1824 -80
WIRE 1280 -64 1280 -96
WIRE 1360 -64 1360 -384
WIRE 1360 -64 1280 -64
WIRE 2048 -64 2048 -176
WIRE 2384 -64 2048 -64
WIRE 2592 -64 2592 -256
WIRE 2592 -64 2384 -64
WIRE 2688 -64 2688 -192
WIRE 2688 -64 2592 -64
WIRE 2784 -64 2784 -208
WIRE 2784 -64 2688 -64
WIRE 1600 -32 1600 -80
WIRE 1936 -16 1936 -80
WIRE 2880 -16 2880 -304
WIRE 2880 -16 1936 -16
WIRE 1360 0 1360 -64
WIRE 1440 0 1440 -352
WIRE 1360 112 1360 64
WIRE 1440 112 1440 64
WIRE 1440 112 1360 112
WIRE 1600 112 1600 48
WIRE 1600 112 1440 112
WIRE 1680 112 1680 -336
WIRE 1680 112 1600 112
FLAG 2944 -272 0
FLAG 2368 -480 +7.5V
FLAG 2384 -64 -7.5V
SYMBOL voltage 1280 -336 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 265 105 Right 2
WINDOW 0 48 11 Right 2
SYMATTR Value PULSE(-50 50 0 10.4u 10.4u 0.001u 20.8u)
SYMATTR InstName V2
SYMBOL bv 1280 -192 M0
SYMATTR InstName B1
SYMATTR Value V=325*sin(2*pi*100*time)
SYMBOL res 1584 -352 R0
SYMATTR InstName R3
SYMATTR Value 40
SYMBOL res 1584 -48 R0
SYMATTR InstName R5
SYMATTR Value 10m
SYMBOL diode 1376 64 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMBOL diode 1376 -384 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMBOL diode 1456 -384 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMBOL diode 1456 64 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMBOL Opamps\\LT1679 2048 -208 R0
SYMATTR InstName U1
SYMBOL voltage 2592 -352 M0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL res 2064 -352 M90
WINDOW 0 5 56 VBottom 2
WINDOW 3 27 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL res 2672 -432 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 2672 -288 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap 2768 -416 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL cap 2768 -272 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMBOL res 1840 -96 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res 1952 -64 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res 1840 -352 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 10k
TEXT 1888 -800 Left 2 !.tran 0 20m 0 100n
TEXT 1896 -736 Left 2 !.options gmin=1e-10 abstol=1e-10 reltol=0.003
TEXT 1456 -160 Left 2 ;Mains circuit filtered