Version 4
SHEET 1 4668 680
WIRE -64 -352 -160 -352
WIRE 80 -352 16 -352
WIRE 368 -320 112 -320
WIRE -1552 -304 -1696 -304
WIRE -1696 -288 -1696 -304
WIRE 80 -288 80 -352
WIRE 160 -288 80 -288
WIRE 224 -288 160 -288
WIRE 288 -288 224 -288
WIRE -64 -272 -144 -272
WIRE 80 -272 16 -272
WIRE 160 -256 160 -288
WIRE 224 -256 224 -288
WIRE 368 -256 368 -320
WIRE -512 -240 -928 -240
WIRE -160 -240 -160 -352
WIRE -160 -240 -512 -240
WIRE 624 -224 400 -224
WIRE 288 -208 288 -288
WIRE 336 -208 288 -208
WIRE -336 -192 -784 -192
WIRE -144 -192 -144 -272
WIRE -144 -192 -336 -192
WIRE -64 -192 -96 -192
WIRE 48 -192 16 -192
WIRE -1696 -176 -1696 -208
WIRE -1696 -176 -1824 -176
WIRE 224 -176 224 -192
WIRE 368 -176 368 -192
WIRE 368 -176 224 -176
WIRE -208 -160 -672 -160
WIRE -96 -160 -96 -192
WIRE -96 -160 -208 -160
WIRE 160 -160 160 -192
WIRE 224 -160 224 -176
WIRE 224 -160 160 -160
WIRE 368 -160 368 -176
WIRE -1552 -144 -1696 -144
WIRE -1696 -128 -1696 -144
WIRE -272 -128 -416 -128
WIRE -144 -128 -272 -128
WIRE -48 -128 -144 -128
WIRE 112 -128 112 -320
WIRE 368 -128 112 -128
WIRE 80 -96 80 -272
WIRE 160 -96 80 -96
WIRE 224 -96 160 -96
WIRE 288 -96 224 -96
WIRE -416 -64 -416 -128
WIRE -272 -64 -272 -128
WIRE -144 -64 -144 -128
WIRE 160 -64 160 -96
WIRE 224 -64 224 -96
WIRE 368 -64 368 -128
WIRE -1824 -32 -1824 -176
WIRE -1696 -32 -1696 -48
WIRE -1696 -32 -1824 -32
WIRE 624 -32 400 -32
WIRE -928 -16 -928 -240
WIRE -864 -16 -864 -64
WIRE -864 -16 -928 -16
WIRE -784 -16 -784 -192
WIRE -752 -16 -752 -64
WIRE -752 -16 -784 -16
WIRE -672 -16 -672 -160
WIRE -640 -16 -640 -64
WIRE -640 -16 -672 -16
WIRE 288 -16 288 -96
WIRE 336 -16 288 -16
WIRE -1552 0 -1696 0
WIRE -864 0 -864 -16
WIRE -752 0 -752 -16
WIRE -640 0 -640 -16
WIRE 224 16 224 0
WIRE 368 16 368 0
WIRE 368 16 224 16
WIRE -1696 32 -1696 0
WIRE -48 32 -48 -128
WIRE 160 48 160 0
WIRE 224 48 224 16
WIRE 224 48 160 48
WIRE 368 48 368 16
WIRE -512 64 -512 -240
WIRE -416 64 -416 0
WIRE -416 64 -512 64
WIRE -336 64 -336 -192
WIRE -272 64 -272 0
WIRE -272 64 -336 64
WIRE -208 64 -208 -160
WIRE -144 64 -144 0
WIRE -144 64 -208 64
WIRE 112 80 112 -128
WIRE 368 80 112 80
WIRE -416 96 -416 64
WIRE -272 96 -272 64
WIRE -144 96 -144 64
WIRE 48 112 48 -192
WIRE 224 112 48 112
WIRE 288 112 224 112
WIRE 320 112 288 112
WIRE -1824 128 -1824 -32
WIRE -1696 128 -1696 112
WIRE -1696 128 -1824 128
WIRE 368 128 368 80
WIRE -864 144 -864 80
WIRE -752 144 -752 80
WIRE -640 144 -640 80
WIRE 112 144 112 80
WIRE 224 144 224 112
WIRE 288 144 288 112
WIRE 624 160 400 160
WIRE 320 176 320 112
WIRE 336 176 320 176
WIRE 368 208 368 192
WIRE 368 208 288 208
WIRE -416 224 -416 160
WIRE -272 224 -272 160
WIRE -272 224 -416 224
WIRE -144 224 -144 160
WIRE -144 224 -272 224
WIRE -48 224 -48 96
WIRE -48 224 -144 224
WIRE 224 240 224 208
WIRE 288 240 288 208
WIRE 288 240 224 240
WIRE 368 240 368 208
WIRE -272 336 -272 224
WIRE 112 336 112 224
FLAG -1552 -304 Vol1
IOPIN -1552 -304 Out
FLAG -1552 -144 Vol2
IOPIN -1552 -144 Out
FLAG -1552 0 Vol3
IOPIN -1552 0 Out
FLAG -864 144 0
FLAG -752 144 0
FLAG -640 144 0
FLAG -864 -64 Vol1
IOPIN -864 -64 In
FLAG -752 -64 Vol2
IOPIN -752 -64 In
FLAG -640 -64 Vol3
IOPIN -640 -64 In
FLAG -272 336 0
FLAG 112 336 0
FLAG 368 -160 0
FLAG 368 48 0
FLAG 368 240 0
SYMBOL res -880 -16 R0
SYMATTR InstName R1
SYMATTR Value 100
SYMBOL res -768 -16 R0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res -656 -16 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL voltage -1696 -304 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=2
SYMATTR InstName V3
SYMATTR Value SINE(0 {AMP} {FREQ})
SYMBOL voltage -1696 -144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=2
SYMATTR InstName V1
SYMATTR Value SINE(0 {AMP} {FREQ} {td2})
SYMBOL voltage -1696 16 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 44 Left 2
SYMATTR SpiceLine Rser=2
SYMATTR InstName V2
SYMATTR Value SINE(0 {AMP} {FREQ} {td3})
SYMBOL schottky -400 0 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D4
SYMATTR Value RBR15BM30A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -64 32 R0
SYMATTR InstName C1
SYMATTR Value 2200µ
SYMBOL schottky -256 0 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value RBR15BM30A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -128 0 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D2
SYMATTR Value RBR15BM30A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -256 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value RBR15BM30A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -400 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D5
SYMATTR Value RBR15BM30A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -128 160 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D6
SYMATTR Value RBR15BM30A
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage 112 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 12
SYMBOL Opamps\\AD549 368 -288 R0
SYMATTR InstName U1
SYMBOL Opamps\\AD549 368 -96 R0
SYMATTR InstName U2
SYMBOL Opamps\\AD549 368 96 R0
SYMATTR InstName U3
SYMBOL diode 144 -256 R0
SYMATTR InstName D7
SYMBOL diode 144 -64 R0
SYMATTR InstName D8
SYMBOL diode 208 144 R0
SYMATTR InstName D9
SYMBOL diode 240 -192 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D10
SYMBOL diode 240 0 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D11
SYMBOL diode 304 208 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D12
SYMBOL res 32 -368 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 32 -288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL res 32 -208 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 1k
TEXT -1808 280 Left 2 !.param AMP= 12/18*FREQ
TEXT -1808 304 Left 2 !.param td2=1/(3*FREQ)
TEXT -1808 328 Left 2 !.param td3=2/(3*FREQ)
TEXT -1808 352 Left 2 !.step param FREQ 3 18 1
TEXT -1808 424 Left 2 !.tran 5