Si7li/ltspice-spice-circuits-no-aug huggingface dataset:
* SPICE netlist
V1 VDD1 0 5
V2 VDD2 0 5
V4 VE 0 5
V5 VIA 0 PULSE(0 5 0 1n 1n 5u 10u )
V6 VIB 0 PULSE(0 5 0 1n 1n 5u 10u )
V7 VIC 0 PULSE(0 5 0 1n 1n 5u 10u )
V8 VID 0 PULSE(0 5 0 1n 1n 5u 10u )
XU1 VDD1 0 VIA VIB VIC VID VE VOD VOC VOB VOA 0 VDD2 ADuM340E0 ;pnba VDD1)GND1)VIA)VIB)VIC)VID)VE)VOD)VOC)VOB)VOA)GND2)VDD2
.tran 100u

* LTspice schematic (.asc)
Version 4
SHEET 1 1760 528
WIRE 288 -264 80 -264
WIRE 336 -264 288 -264
WIRE 688 -264 640 -264
WIRE 880 -264 688 -264
WIRE 80 -232 80 -264
WIRE 880 -232 880 -264
WIRE 336 -200 176 -200
WIRE 800 -200 640 -200
WIRE -848 -168 -880 -168
WIRE -336 -168 -368 -168
WIRE -880 -136 -880 -168
WIRE -368 -136 -368 -168
WIRE 336 -136 240 -136
WIRE 736 -136 640 -136
WIRE 80 -120 80 -152
WIRE 880 -120 880 -152
WIRE 336 -72 240 -72
WIRE 736 -72 640 -72
WIRE -880 -24 -880 -56
WIRE -368 -24 -368 -56
WIRE 336 -8 240 -8
WIRE 736 -8 640 -8
WIRE 336 56 240 56
WIRE 736 56 640 56
WIRE -848 88 -880 88
WIRE -336 88 -368 88
WIRE -880 120 -880 88
WIRE -368 120 -368 88
WIRE 672 120 640 120
WIRE 880 120 672 120
WIRE 880 152 880 120
WIRE -880 232 -880 200
WIRE -368 232 -368 200
WIRE 880 264 880 232
FLAG 80 -120 0
FLAG 176 -200 0
FLAG 240 -136 VIA
FLAG 240 -72 VIB
FLAG 240 -8 VIC
FLAG 736 56 VOD
FLAG 736 -8 VOC
FLAG 736 -72 VOB
FLAG 736 -136 VOA
FLAG 240 56 VID
FLAG 880 264 0
FLAG -880 -24 0
FLAG -368 -24 0
FLAG -880 232 0
FLAG -368 232 0
FLAG -848 -168 VIA
FLAG -336 -168 VIB
FLAG -848 88 VIC
FLAG -336 88 VID
FLAG 800 -200 0
FLAG 880 -120 0
FLAG 672 120 VE
FLAG 688 -264 VDD2
FLAG 288 -264 VDD1
SYMBOL voltage 80 -248 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 880 -248 R0
SYMATTR InstName V2
SYMATTR Value 5
SYMBOL voltage 880 136 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL voltage -880 -152 R0
SYMATTR InstName V5
SYMATTR Value PULSE(0 5 0 1n 1n 5u 10u )
SYMBOL voltage -368 -152 R0
SYMATTR InstName V6
SYMATTR Value PULSE(0 5 0 1n 1n 5u 10u )
SYMBOL voltage -880 104 R0
SYMATTR InstName V7
SYMATTR Value PULSE(0 5 0 1n 1n 5u 10u )
SYMBOL voltage -368 104 R0
SYMATTR InstName V8
SYMATTR Value PULSE(0 5 0 1n 1n 5u 10u )
SYMBOL ADuM340E0 496 -152 R0
SYMATTR InstName U1
* SPICE netlist
V1 +V 0 5
V3 IN 0 SINE(2.5 2.5 1K)
XU1 IN OUT +V 0 OUT NC_01 LT1219 ;pnba In+)In-)V+)V-)OUT)SHDN
C1 OUT 0 .1
.tran 3m

* LTspice schematic (.asc)
Version 4
SHEET 1 592 320
WIRE 232 -160 -8 -160
WIRE -296 -80 -296 -96
WIRE 56 -80 56 -96
WIRE -8 -32 -8 -160
WIRE 24 -32 -8 -32
WIRE 232 0 232 -160
WIRE 232 0 168 0
WIRE 296 0 232 0
WIRE -296 16 -296 0
WIRE 232 16 232 0
WIRE 24 32 -120 32
WIRE -120 64 -120 32
WIRE 56 96 56 80
WIRE 232 96 232 80
WIRE -120 160 -120 144
FLAG -296 16 0
FLAG 56 -96 +V
FLAG -296 -96 +V
FLAG -120 160 0
FLAG 56 96 0
FLAG 232 96 0
FLAG 296 0 OUT
FLAG -120 32 IN
SYMBOL voltage -296 -96 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -120 48 R0
SYMATTR InstName V3
SYMATTR Value SINE(2.5  2.5 1K)
SYMBOL opamps\\LT1219 56 0 R0
SYMATTR InstName U1
SYMBOL cap 216 16 R0
SYMATTR InstName C1
SYMATTR Value .1
* SPICE netlist
B1 out 0 V=delay(V(in),V(td)) tripdt=10n tripdv=.1
V1 in 0 PULSE(0 1 0 .01m .01m .99m 2m)
V2 td 0 PULSE(0 1e-3 0 20m 20m 0 40m)
.tran 40m

* LTspice schematic (.asc)
Version 4
SHEET 1 288 200
WIRE -112 -72 -144 -72
WIRE 16 -72 -16 -72
WIRE 144 -72 112 -72
WIRE -144 -56 -144 -72
WIRE -16 -56 -16 -72
WIRE 112 -56 112 -72
WIRE -144 40 -144 24
WIRE -16 40 -16 24
WIRE -16 40 -144 40
WIRE 112 40 112 24
WIRE 112 40 -16 40
WIRE -16 72 -16 40
FLAG -16 72 0
FLAG -112 -72 td
FLAG 16 -72 in
FLAG 144 -72 out
SYMBOL bv 112 -72 R0
SYMATTR InstName B1
SYMATTR Value V=delay(V(in),V(td))
SYMATTR Value2 tripdt=10n tripdv=.1
SYMBOL voltage -16 -72 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 .01m .01m .99m 2m)
SYMBOL voltage -144 -72 R0
SYMATTR InstName V2
SYMATTR Value PULSE(0 1e-3 0 20m 20m 0 40m)
* SPICE netlist
R1 BASE 0 150k
R2 N002 BASE 27k
R3 COLEC 0 3900
R5 N001 EMISOR 1k
V1 N002 0 24
V3 N001 0 24
Q1 COLEC BASE EMISOR 0 BC857A
V2 N003 0 SINE(0 50m 100k)
R4 BASE N003 10k
C1 0 EMISOR C
C2 N004 COLEC C
R6 N004 0 R

* LTspice schematic (.asc)
Version 4
SHEET 1 656 704
WIRE -24 -352 -72 -352
WIRE -24 -288 -24 -352
WIRE 216 -288 120 -288
WIRE -72 -240 -72 -352
WIRE 216 -240 216 -288
WIRE 120 -176 120 -208
WIRE -72 -112 -72 -160
WIRE 120 -80 120 -96
WIRE 184 -80 120 -80
WIRE 312 -80 248 -80
WIRE 120 -48 120 -80
WIRE 312 -48 312 -80
WIRE 120 -32 120 -48
WIRE -232 16 -328 16
WIRE -72 16 -72 -32
WIRE -72 16 -152 16
WIRE 8 16 -72 16
WIRE 56 16 8 16
WIRE -328 80 -328 16
WIRE 120 96 120 64
WIRE 184 96 120 96
WIRE 328 96 248 96
WIRE -72 112 -72 16
WIRE 120 128 120 96
WIRE 328 128 328 96
WIRE -328 240 -328 160
WIRE -72 240 -72 192
WIRE 120 336 120 208
WIRE 152 336 120 336
WIRE 120 352 120 336
WIRE 152 352 152 336
WIRE 328 352 328 208
WIRE 328 352 152 352
FLAG -24 -288 0
FLAG -72 240 0
FLAG 120 352 0
FLAG 216 -240 0
FLAG 8 16 BASE
FLAG 120 -48 EMISOR
FLAG 120 96 COLEC
FLAG -328 240 0
FLAG 312 -48 0
SYMBOL res -88 96 R0
SYMATTR InstName R1
SYMATTR Value 150k
SYMBOL res -88 -128 R0
SYMATTR InstName R2
SYMATTR Value 27k
SYMBOL res 104 112 R0
SYMATTR InstName R3
SYMATTR Value 3900
SYMBOL res 104 -192 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL voltage -72 -144 R180
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL voltage 120 -192 R180
SYMATTR InstName V3
SYMATTR Value 24
SYMBOL pnp 56 64 M180
SYMATTR InstName Q1
SYMATTR Value BC857A
SYMBOL voltage -328 64 R0
SYMATTR InstName V2
SYMATTR Value SINE(0 50m 100k)
SYMBOL res -136 0 R90
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL cap 248 -96 R90
SYMATTR InstName C1
SYMBOL cap 248 80 R90
SYMATTR InstName C2
SYMBOL res 312 112 R0
SYMATTR InstName R6
* SPICE netlist
C1 OUT 0 1
V1 IN 0 3.6
RLOAD OUT 0 5.69
XU1 OUT IN IN 0 ADP172-1.7 ;pnba Vout)Vin)En)GND
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 432 200
WIRE -200 -48 -216 -48
WIRE -120 -48 -200 -48
WIRE -104 -48 -120 -48
WIRE 136 -48 88 -48
WIRE 168 -48 136 -48
WIRE 216 -48 168 -48
WIRE -216 -32 -216 -48
WIRE 136 -32 136 -48
WIRE 136 48 136 32
WIRE 216 48 216 32
WIRE -216 64 -216 48
WIRE -120 64 -120 -48
WIRE -104 64 -120 64
WIRE 104 64 88 64
FLAG -216 64 0
FLAG 136 48 0
FLAG 104 64 0
FLAG 216 48 0
FLAG -200 -48 IN
FLAG 168 -48 OUT
SYMBOL cap 120 -32 R0
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL voltage -216 -48 R0
SYMATTR InstName V1
SYMATTR Value 3.6
SYMBOL res 200 -64 R0
SYMATTR InstName RLOAD
SYMATTR Value 5.69
SYMBOL ADP172-1.7 -8 64 R0
SYMATTR InstName U1
* SPICE netlist
R1 IN- 0 5m
V1 VSINK 0 2.5
V2 NC_01 0 PULSE(1m .999 0 1u 1u 100m 200m)
V3 VCC 0 5
R2 VCC N001 390k
XM1 VSINK N003 IN- irfb7545pbf ;pnba D)G)S
R3 N001 N002 R = 10k*(1-V(SP))
R4 N002 0 R = 10k*V(SP)
R5 N001 0 10k
V4 fb g ac 1
R6 g N003 10k
V5 SP 0 {SP}
XU1 N002 IN- VCC 0 fb LT6220 ;pnba IN+)IN-)VCC)VEE)OUT
C1 P001 IN- 330n
R7 N003 P001 56
.include irfb7545pbf.txt
.include MCP6001.txt
.ac dec 100 10 1G
.step param SP 1m 999m 1m
.meas PM FIND V(fb)/V(g) WHEN mag(V(fb)/V(g)) = 1
.meas GM FIND V(fb)/V(g) WHEN ph(V(fb)/V(g)) = 0

* LTspice schematic (.asc)
Version 4
SHEET 1 880 576
WIRE 440 -32 168 -32
WIRE -440 -16 -440 -48
WIRE 440 32 440 -32
WIRE 168 48 -24 48
WIRE -360 64 -392 64
WIRE -312 64 -360 64
WIRE -136 64 -152 64
WIRE -88 64 -136 64
WIRE -8 80 -24 80
WIRE 440 128 440 112
WIRE 440 128 168 128
WIRE 168 144 168 128
WIRE -440 208 -440 80
WIRE -360 208 -440 208
WIRE -88 208 -360 208
WIRE -8 208 -8 80
WIRE -8 208 -88 208
FLAG -440 288 0
FLAG -440 -48 VSINK
FLAG -56 96 VCC
FLAG -56 32 0
FLAG -344 -192 0
FLAG -136 -192 0
FLAG -344 -272 VSINK
FLAG -248 -272 SP
FLAG -440 -192 0
FLAG -440 -272 VCC
FLAG -88 208 IN-
FLAG 168 144 0
FLAG 168 -112 VCC
FLAG -248 -192 0
FLAG -136 64 fb
FLAG -232 64 g
DATAFLAG 192 320 "round($/1u)*1u"
DATAFLAG 432 160 "round($/1u)*1u"
SYMBOL res -424 192 M0
SYMATTR InstName R1
SYMATTR Value 5m
SYMBOL voltage -344 -288 R0
SYMATTR InstName V1
SYMATTR Value 2.5
SYMBOL voltage -136 -288 R0
SYMATTR InstName V2
SYMATTR Value PULSE(1m .999 0 1u 1u 100m 200m)
SYMBOL voltage -440 -288 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL res 152 -128 R0
SYMATTR InstName R2
SYMATTR Value 390k
SYMBOL nmos -392 -16 M0
SYMATTR InstName M1
SYMATTR Value irfb7545pbf
SYMATTR Prefix X
SYMBOL res 152 -48 R0
SYMATTR InstName R3
SYMATTR Value R = 10k*(1-V(SP))
SYMBOL res 152 32 R0
SYMATTR InstName R4
SYMATTR Value R = 10k*V(SP)
SYMBOL res 424 16 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL voltage -136 64 R90
SYMATTR InstName V4
SYMATTR Value ac 1
SYMBOL res -216 48 R90
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL voltage -248 -288 R0
SYMATTR InstName V5
SYMATTR Value {SP}
SYMBOL OpAmps\\LT6220 -56 64 R180
SYMATTR InstName U1
SYMBOL cap -376 144 R0
SYMATTR InstName C1
SYMATTR Value 330n
SYMBOL res -376 48 R0
SYMATTR InstName R7
SYMATTR Value 56
* SPICE netlist
V1 SA 0 3
V2 SB 0 0
V3 IN 0 PULSE(0 5 5u 20n 20n 25u 50u)
R1 D 0 49.9
C1 D 0 36p
V4 +V 0 5
XU2 IN SA D SB +V 0 ADG888 ;pnba IN)S1)D)S2)Vdd)GND
.tran 75u

* LTspice schematic (.asc)
Version 4
SHEET 1 848 400
WIRE 136 -168 136 -200
WIRE -8 -104 -296 -104
WIRE 40 -104 -8 -104
WIRE -296 -88 -296 -104
WIRE 312 -72 232 -72
WIRE 424 -72 312 -72
WIRE 312 -56 312 -72
WIRE 424 -56 424 -72
WIRE -8 -40 -184 -40
WIRE 40 -40 -8 -40
WIRE -184 -24 -184 -40
WIRE -424 8 -424 -8
WIRE -296 8 -296 -8
WIRE -8 24 -40 24
WIRE 40 24 -8 24
WIRE 312 40 312 24
WIRE 424 40 424 8
WIRE -184 72 -184 56
WIRE -40 88 -40 24
WIRE -424 104 -424 88
WIRE 136 152 136 136
WIRE -40 200 -40 168
FLAG -296 8 0
FLAG -184 72 0
FLAG -40 200 0
FLAG 136 -200 +V
FLAG 312 40 0
FLAG 136 152 0
FLAG 424 40 0
FLAG -424 104 0
FLAG -424 -8 +V
FLAG 312 -72 D
FLAG -8 -104 SA
FLAG -8 -40 SB
FLAG -8 24 IN
SYMBOL voltage -296 -104 R0
SYMATTR InstName V1
SYMATTR Value 3
SYMBOL voltage -184 -40 R0
SYMATTR InstName V2
SYMATTR Value 0
SYMBOL voltage -40 72 R0
SYMATTR Value PULSE(0 5 5u 20n 20n 25u 50u)
SYMATTR InstName V3
SYMBOL res 296 -72 R0
SYMATTR InstName R1
SYMATTR Value 49.9
SYMBOL cap 408 -56 R0
SYMATTR InstName C1
SYMATTR Value 36p
SYMBOL voltage -424 -8 R0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL ADG888 136 -24 R0
SYMATTR InstName U2
* SPICE netlist
B1 out 0 V = V(Vo)
B2 Vmax 0 V = {max}
B3 Vmin 0 V = {min}
B4 V3 0 V = if(V(Vmax)>V(in),V(in),V(Vmax))
B5 Vo 0 V = if(V(V3)>V(Vmin),V(V3),V(Vmin))

* LTspice schematic (.asc)
Version 4
SHEET 1 1312 400
WIRE 656 -200 576 -200
WIRE -656 -104 -656 -168
WIRE -448 -104 -448 -168
WIRE -288 -104 -288 -168
WIRE 160 -104 160 -168
WIRE 576 -104 576 -200
WIRE -656 72 -656 -24
WIRE -448 72 -448 -24
WIRE -288 72 -288 -24
WIRE 160 72 160 -24
WIRE 576 72 576 -24
WIRE -480 200 -624 200
FLAG 576 72 0
FLAG 656 -200 out
IOPIN 704 -80 Out
FLAG -656 72 0
FLAG -448 72 0
FLAG -624 200 in
IOPIN -576 320 In
FLAG -656 -168 Vmax
FLAG -448 -168 Vmin
FLAG -288 72 0
FLAG -288 -168 V3
FLAG 160 72 0
FLAG 160 -168 Vo
SYMBOL bv 576 -120 R0
SYMATTR InstName B1
SYMATTR Value V = V(Vo)
SYMBOL bv -656 -120 R0
SYMATTR Value V = {max}
SYMATTR InstName B2
SYMBOL bv -448 -120 R0
SYMATTR Value V = {min}
SYMATTR InstName B3
SYMBOL bv -288 -120 R0
SYMATTR Value V = if(V(Vmax)>V(in),V(in),V(Vmax))
SYMATTR InstName B4
SYMBOL bv 160 -120 R0
SYMATTR Value V = if(V(V3)>V(Vmin),V(V3),V(Vmin))
SYMATTR InstName B5
* SPICE netlist
XU1 N002 N001 OUT MP_01 IN MP_02 IN 0 LT3060 ;pnba Ref/Byp)ADJ)OUT))IN))_SHDN)GND
V1 IN 0 12
R1 OUT N001 249K
R2 N001 0 124K
C1 N002 0 10n
C2 OUT N001 10n
C3 OUT 0 10
Rload OUT 0 18
.tran .1 startup

* LTspice schematic (.asc)
Version 4
SHEET 1 704 320
WIRE -336 -160 -352 -160
WIRE -240 -160 -336 -160
WIRE -224 -160 -240 -160
WIRE 64 -160 32 -160
WIRE 144 -160 64 -160
WIRE 272 -160 144 -160
WIRE 352 -160 272 -160
WIRE -352 -144 -352 -160
WIRE 144 -144 144 -160
WIRE 272 -144 272 -160
WIRE 352 -144 352 -160
WIRE 64 -128 64 -160
WIRE -352 -48 -352 -64
WIRE -240 -48 -240 -160
WIRE -224 -48 -240 -48
WIRE 64 -48 64 -64
WIRE 64 -48 32 -48
WIRE 144 -48 144 -64
WIRE 144 -48 64 -48
WIRE 272 -48 272 -80
WIRE 352 -48 352 -64
WIRE 144 -32 144 -48
WIRE -224 64 -256 64
WIRE 64 64 32 64
WIRE 144 64 144 48
WIRE 64 80 64 64
WIRE 64 160 64 144
FLAG -256 64 0
FLAG -352 -48 0
FLAG 144 64 0
FLAG 64 160 0
FLAG 272 -48 0
FLAG 352 -48 0
FLAG 352 -160 OUT
FLAG -336 -160 IN
SYMBOL PowerProducts\\LT3060 -96 -48 R0
SYMATTR InstName U1
SYMBOL voltage -352 -160 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 128 -160 R0
SYMATTR InstName R1
SYMATTR Value 249K
SYMBOL res 128 -48 R0
SYMATTR InstName R2
SYMATTR Value 124K
SYMBOL cap 48 80 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL cap 48 -128 R0
SYMATTR InstName C2
SYMATTR Value 10n
SYMBOL cap 256 -144 R0
SYMATTR InstName C3
SYMATTR Value 10
SYMBOL res 336 -160 R0
SYMATTR InstName Rload
SYMATTR Value 18
* SPICE netlist
V1 V+ 0 1.5
V2 V- 0 -1.5
E1 N001 0 N002 0 .5
E2 0 N006 N002 0 .5
E3 OUT 0 N005 N003 1
R1 0 N003 300
R2 0 N005 300
XU1 N001 N004 V+ N004 N006 N005 0 V- V+ N003 LTC6605-7 ;pnba IN4+)IN1+)BIAS)IN1-)IN4-)OUT+)Vocm)V-)V+)OUT-1
V3 N002 0 AC 1
.ac oct 20 100k 100Meg
.measure pt1 find V(out) at 3.5Meg
.measure pt2 find V(out) at 5.25Meg
.measure pt3 find V(out) at 7Meg
.measure pt4 find V(out) at 14Meg
.measure pt5 find V(out) at 35Meg

* LTspice schematic (.asc)
Version 4
SHEET 1 1040 464
WIRE -520 -216 -520 -232
WIRE -408 -216 -408 -232
WIRE 120 -152 120 -168
WIRE -520 -120 -520 -136
WIRE -408 -120 -408 -136
WIRE -152 -120 -280 -120
WIRE -280 -88 -280 -120
WIRE -328 -72 -392 -72
WIRE 296 -72 264 -72
WIRE 312 -72 296 -72
WIRE 408 -72 392 -72
WIRE -152 -56 -216 -56
WIRE 520 -56 456 -56
WIRE 456 -40 456 -56
WIRE -328 -24 -344 -24
WIRE 264 -24 264 -72
WIRE 264 -24 216 -24
WIRE 296 -24 296 -72
WIRE 408 -24 296 -24
WIRE -280 8 -280 -8
WIRE -280 8 -312 8
WIRE -152 8 -168 8
WIRE -280 24 -280 8
WIRE 408 24 296 24
WIRE -392 40 -392 -72
WIRE -328 40 -392 40
WIRE 264 40 216 40
WIRE 456 56 456 40
WIRE -216 72 -216 -56
WIRE -152 72 -216 72
WIRE 264 72 264 40
WIRE 296 72 296 24
WIRE 296 72 264 72
WIRE 312 72 296 72
WIRE 408 72 392 72
WIRE -328 88 -344 88
WIRE 232 104 216 104
WIRE -392 136 -392 40
WIRE -280 136 -280 104
WIRE -152 136 -280 136
WIRE 120 184 120 168
WIRE -392 232 -392 216
FLAG -520 -120 0
FLAG -408 -120 0
FLAG 232 104 0
FLAG -520 -232 V+
FLAG -168 8 V+
FLAG -312 8 0
FLAG -344 -24 0
FLAG -344 88 0
FLAG -392 232 0
FLAG 456 56 0
FLAG 520 -56 OUT
FLAG 408 -72 0
FLAG 408 72 0
FLAG 120 -168 V+
FLAG 120 184 V-
FLAG -408 -232 V-
SYMBOL voltage -520 -232 R0
SYMATTR InstName V1
SYMATTR Value 1.5
SYMBOL voltage -408 -232 R0
SYMATTR InstName V2
SYMATTR Value -1.5
SYMBOL e -280 -104 R0
SYMATTR InstName E1
SYMATTR Value .5
SYMBOL e -280 8 R0
SYMATTR InstName E2
SYMATTR Value .5
SYMBOL e2 456 -56 R0
SYMATTR InstName E3
SYMATTR Value 1
SYMBOL res 408 -88 R90
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL res 408 56 R90
SYMATTR InstName R2
SYMATTR Value 300
SYMBOL LTC6605-7 40 8 R0
SYMATTR InstName U1
SYMBOL voltage -392 120 R0
SYMATTR InstName V3
SYMATTR Value AC 1
* SPICE netlist
C4 Gate_A 0 2.2n
C5 Gate_B 0 2.2n
R2 Gate_A N001 5.11
R3 Gate_B N006 5.11
V1 VIA 0 PULSE(0 5 0 2n 2n 5u 10u)
V4 N005 0 0
V3 N003 0 5
V6 N004 0 15
V5 N002 0 15
V2 VIB 0 PULSE(5 0 0 2n 2n 5u 10u)
XU1 VIA VIB N003 0 N005 0 N006 N004 0 N001 N002 ADuM4221-2A ;pnba VIA)VIB)VDD1)GND1)DISABLE)GNDB)VOB)VDDB)GNDA)VOA)VDDA
.tran 50u

* LTspice schematic (.asc)
Version 4.1
SHEET 1 1472 480
WIRE -256 -224 -736 -224
WIRE -176 -224 -256 -224
WIRE 432 -224 128 -224
WIRE 560 -224 512 -224
WIRE 688 -224 560 -224
WIRE 736 -224 688 -224
WIRE -736 -192 -736 -224
WIRE 560 -192 560 -224
WIRE -256 -160 -640 -160
WIRE -176 -160 -256 -160
WIRE 320 -160 128 -160
WIRE 320 -144 320 -160
WIRE -640 -128 -640 -160
WIRE 560 -112 560 -128
WIRE -176 -96 -512 -96
WIRE 160 -96 128 -96
WIRE -176 -16 -208 -16
WIRE 320 -16 128 -16
WIRE -512 0 -512 -96
WIRE 320 0 320 -16
WIRE -176 48 -432 48
WIRE 160 48 128 48
WIRE -432 96 -432 48
WIRE 432 112 128 112
WIRE 560 112 512 112
WIRE 688 112 560 112
WIRE 736 112 688 112
WIRE 560 144 560 112
WIRE -736 240 -736 -112
WIRE -640 240 -640 -48
WIRE -512 240 -512 80
WIRE -432 240 -432 176
WIRE 560 240 560 208
FLAG -432 240 0
FLAG 160 48 0
FLAG 320 80 0
FLAG 688 112 Gate_B
FLAG 688 -224 Gate_A
FLAG 560 240 0
FLAG -736 240 0
FLAG -512 240 0
FLAG 560 -112 0
FLAG -256 -224 VIA
FLAG 160 -96 0
FLAG -208 -16 0
FLAG 320 -64 0
FLAG -640 240 0
FLAG -256 -160 VIB
SYMBOL cap 544 -192 R0
SYMATTR InstName C4
SYMATTR Value 2.2n
SYMBOL cap 544 144 R0
SYMATTR InstName C5
SYMATTR Value 2.2n
SYMBOL res 528 -240 R90
SYMATTR InstName R2
SYMATTR Value 5.11
SYMBOL res 528 96 R90
SYMATTR InstName R3
SYMATTR Value 5.11
SYMBOL voltage -736 -208 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0 2n 2n 5u 10u)
SYMBOL voltage -432 80 R0
SYMATTR InstName V4
SYMATTR Value 0
SYMBOL voltage -512 -16 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL voltage 320 -16 R0
SYMATTR InstName V6
SYMATTR Value 15
SYMBOL voltage 320 -160 R0
SYMATTR InstName V5
SYMATTR Value 15
SYMBOL voltage -640 -144 R0
SYMATTR InstName V2
SYMATTR Value PULSE(5 0 0 2n 2n 5u 10u)
SYMBOL ADuM4221-2A -16 -128 R0
SYMATTR InstName U1
* SPICE netlist
Vi N003 0 0
Vcc N001 0 5
Q1 N002 N004 0 0 NPN
Rb N004 N003 1K
Rc N001 N002 1K
.dc Vi 0 5 0.01

* LTspice schematic (.asc)
Version 4
SHEET 1 464 400
WIRE 232 -184 40 -184
WIRE 40 -40 40 -104
WIRE 232 -8 232 -184
WIRE -168 8 -232 8
WIRE -24 8 -88 8
WIRE -232 72 -232 8
WIRE -232 168 -232 152
WIRE 40 168 40 56
WIRE 40 168 -232 168
WIRE 56 168 40 168
WIRE 232 168 232 72
WIRE 232 168 56 168
WIRE 56 200 56 168
FLAG 56 200 0
SYMBOL voltage -232 56 R0
SYMATTR InstName Vi
SYMATTR Value 0
SYMBOL voltage 232 -24 R0
SYMATTR InstName Vcc
SYMATTR Value 5
SYMBOL npn -24 -40 R0
SYMATTR InstName Q1
SYMBOL res -72 -8 R90
SYMATTR InstName Rb
SYMATTR Value 1K
SYMBOL res 24 -200 R0
SYMATTR InstName Rc
SYMATTR Value 1K
* SPICE netlist
C1 N012 0 1500p
C2 N008 0 .01
R1 N013 N012 15K
MQ1 N001 N006 N004 N004 Si4410DY
MQ2 N004 N009 0 0 Si4410DY
R2 N004 N007 1K
R3 N001 N005 10K
D1 N002 N003 MBR0520L
C3 N004 N003 .1
L1 N004 OUT 1.2
C4 OUT 0 470 Rser=10m x3
V1 N002 0 5
XU1 N006 N003 0 0 0 OUT N001 N011 N008 N013 N010 N005 N007 N002 N002 N009 LTC3831 ;pnba TG)PVcc1)PGND)SGND)R-)FB)R+)_SHDN)SS)Comp)Freq)Imax)Ifb)Vcc)PVcc2)BG
C5 N013 0 33p
V2 N001 0 2.5
R4 N010 0 130K
Rload OUT 0 5
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1200 624
WIRE 248 -312 -376 -312
WIRE 344 -312 248 -312
WIRE 504 -312 344 -312
WIRE -424 -296 -520 -296
WIRE -216 -296 -424 -296
WIRE -88 -296 -216 -296
WIRE 344 -296 344 -312
WIRE -520 -280 -520 -296
WIRE -88 -280 -88 -296
WIRE -376 -264 -376 -312
WIRE 344 -200 344 -216
WIRE -520 -184 -520 -200
WIRE -88 -184 -88 -216
WIRE 56 -184 -88 -184
WIRE 168 -184 120 -184
WIRE 248 -184 248 -312
WIRE -216 -168 -216 -296
WIRE -88 -168 -88 -184
WIRE -376 -104 -376 -184
WIRE -344 -104 -376 -104
WIRE 200 -104 40 -104
WIRE 168 -72 168 -184
WIRE 248 -72 248 -88
WIRE 248 -72 168 -72
WIRE 360 -72 248 -72
WIRE 472 -72 440 -72
WIRE 248 -56 248 -72
WIRE -424 -40 -424 -296
WIRE -344 -40 -424 -40
WIRE 56 -40 40 -40
WIRE 168 -40 168 -72
WIRE 168 -40 136 -40
WIRE -488 24 -504 24
WIRE -344 24 -424 24
WIRE 200 24 40 24
WIRE 248 56 248 40
WIRE -440 88 -504 88
WIRE -344 88 -360 88
WIRE 504 88 504 -312
WIRE 504 88 40 88
WIRE -344 152 -376 152
WIRE 472 152 472 -72
WIRE 472 152 40 152
WIRE 600 152 472 152
WIRE 472 168 472 152
WIRE 600 168 600 152
WIRE -520 216 -584 216
WIRE -392 216 -440 216
WIRE -344 216 -392 216
WIRE 56 216 40 216
WIRE -584 232 -584 216
WIRE -392 232 -392 216
WIRE 472 264 472 232
WIRE 600 264 600 248
WIRE -216 296 -216 280
WIRE -88 296 -88 280
WIRE -584 312 -584 296
WIRE -392 312 -392 296
FLAG -584 312 0
FLAG -504 24 0
FLAG 56 216 0
FLAG -88 296 0
FLAG -216 296 0
FLAG 248 56 0
FLAG 472 264 0
FLAG 600 264 0
FLAG -520 -184 0
FLAG 600 152 OUT
FLAG -392 312 0
FLAG 344 -200 0
FLAG -504 88 0
SYMBOL cap -600 232 R0
SYMATTR InstName C1
SYMATTR Value 1500p
SYMBOL cap -424 8 R90
SYMATTR InstName C2
SYMATTR Value .01
SYMBOL RES -424 200 R90
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL NMOS 200 -184 R0
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL nmos 200 -56 R0
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL res 152 -56 R90
SYMATTR InstName R2
SYMATTR Value 1K
SYMBOL res -392 -280 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL schottky -104 -280 R0
SYMATTR InstName D1
SYMATTR Value MBR0520L
SYMBOL cap 120 -200 R90
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL ind 344 -56 R270
SYMATTR InstName L1
SYMATTR Value 1.2
SYMBOL cap 456 168 R0
SYMATTR Value 470
SYMATTR SpiceLine2 x3
SYMATTR InstName C4
SYMATTR SpiceLine Rser=10m
SYMBOL VOLTAGE -520 -296 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL PowerProducts\\LTC3831 -152 56 R0
SYMATTR InstName U1
SYMBOL cap -408 232 R0
SYMATTR InstName C5
SYMATTR Value 33p
SYMBOL VOLTAGE 344 -312 R0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL res -344 72 R90
SYMATTR InstName R4
SYMATTR Value 130K
SYMBOL res 584 152 R0
SYMATTR InstName Rload
SYMATTR Value 5
* SPICE netlist
V1 N001 0 5
V2 N002 0 2.7
XU1 N002 N001 0 N004 N003 NC_01 NC_02 Q LTC6752-2 ;pnba Vdd)Vcc)Vee)IN+)IN-)_SHDN)_LE/HYST)Q
V3 N004 N003 SINE(0 100m 200Meg 0 0 90)
B1 N003 0 V=.5+2.5*Random(time/50n)
.tran 500n

* LTspice schematic (.asc)
Version 4
SHEET 1 896 368
WIRE 240 -168 240 -184
WIRE 336 -168 336 -184
WIRE 240 -56 240 -88
WIRE 336 -56 336 -88
WIRE 48 -24 -192 -24
WIRE 48 8 48 -24
WIRE 160 8 48 8
WIRE -416 24 -448 24
WIRE -192 24 -192 -24
WIRE -192 24 -336 24
WIRE 448 24 416 24
WIRE 160 40 48 40
WIRE -192 72 -192 24
WIRE -112 72 -192 72
WIRE 48 72 48 40
WIRE 48 72 -32 72
WIRE 336 184 336 168
FLAG 240 -184 0
FLAG 336 -184 0
FLAG 336 184 0
FLAG 448 24 Q
FLAG -448 24 0
SYMBOL voltage 240 -72 M180
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 336 -72 M180
SYMATTR InstName V2
SYMATTR Value 2.7
SYMBOL LTC6752-2 288 56 R0
SYMATTR InstName U1
SYMBOL voltage -16 72 R90
SYMATTR Value SINE(0 100m 200Meg 0 0 90)
SYMATTR InstName V3
SYMBOL bv -320 24 R90
SYMATTR InstName B1
SYMATTR Value V=.5+2.5*Random(time/50n)
* SPICE netlist
V1 N004 0 PULSE(0 3 25u 1n 1n 20u)
R1 N002 0 49.9
C1 N002 0 36p
V2 N001 0 3
V3 +V 0 5
XU1 N004 N001 N002 N003 +V 0 ADG858 ;pnba IN)SA)D)SB)Vdd)GND
V4 N003 0 0
.tran 75u

* LTspice schematic (.asc)
Version 4
SHEET 1 768 496
WIRE 80 -200 80 -248
WIRE -16 -136 -384 -136
WIRE -384 -104 -384 -136
WIRE 256 -104 176 -104
WIRE 384 -104 256 -104
WIRE -16 -72 -272 -72
WIRE 256 -72 256 -104
WIRE 384 -72 384 -104
WIRE -384 -8 -384 -24
WIRE -272 -8 -272 -72
WIRE -16 -8 -160 -8
WIRE 256 40 256 8
WIRE 384 40 384 -8
WIRE -272 104 -272 72
WIRE -160 104 -160 -8
WIRE -384 120 -384 104
WIRE 80 136 80 104
WIRE -384 216 -384 200
WIRE -160 248 -160 184
FLAG 256 40 0
FLAG 384 40 0
FLAG 80 136 0
FLAG -160 248 0
FLAG -384 -8 0
FLAG 80 -248 +V
FLAG -384 216 0
FLAG -384 104 +V
FLAG -272 104 0
SYMBOL voltage -160 88 R0
SYMATTR Value PULSE(0 3 25u 1n 1n 20u)
SYMATTR InstName V1
SYMBOL res 240 -88 R0
SYMATTR InstName R1
SYMATTR Value 49.9
SYMBOL cap 368 -72 R0
SYMATTR InstName C1
SYMATTR Value 36p
SYMBOL voltage -384 -120 R0
SYMATTR InstName V2
SYMATTR Value 3
SYMBOL voltage -384 104 R0
SYMATTR InstName V3
SYMATTR Value 5
SYMBOL ADG858 80 -56 R0
SYMATTR InstName U1
SYMBOL voltage -272 -24 R0
SYMATTR InstName V4
SYMATTR Value 0
* SPICE netlist
V1 +V 0 15
V2 -V 0 -15
R1 N003 N001 10K
R2 N001 0 100K
V3 IN- IN+ SINE(0 1m 100)
XU1 IN- N001 +V -V N003 LT1012 ;pnba In+)In-)V+)V-)OUT
XU2 IN+ N002 +V -V OUT LT1012 ;pnba In+)In-)V+)V-)OUT
R3 N002 N003 10K
R4 N002 N001 2.2K
R5 OUT N002 100K
V4 IN+ 0 SINE(0 1 10)
.tran 1

* LTspice schematic (.asc)
Version 4
SHEET 1 736 448
WIRE 96 -208 -32 -208
WIRE 208 -208 176 -208
WIRE 240 -208 208 -208
WIRE 336 -208 320 -208
WIRE -128 -144 -144 -144
WIRE -32 -144 -32 -208
WIRE -32 -144 -48 -144
WIRE -16 -144 -32 -144
WIRE 80 -144 64 -144
WIRE 32 -48 32 -64
WIRE -32 -32 -32 -144
WIRE 0 -32 -32 -32
WIRE 256 -32 256 -48
WIRE 80 -16 80 -144
WIRE 80 -16 64 -16
WIRE 112 -16 80 -16
WIRE 208 -16 208 -208
WIRE 208 -16 192 -16
WIRE 224 -16 208 -16
WIRE -368 0 -368 -16
WIRE -272 0 -272 -16
WIRE 0 0 -160 0
WIRE 336 0 336 -208
WIRE 336 0 288 0
WIRE 368 0 336 0
WIRE -160 16 -160 0
WIRE 224 16 192 16
WIRE 32 32 32 16
WIRE 256 48 256 32
WIRE -368 112 -368 80
WIRE -272 112 -272 80
WIRE -160 112 -160 96
WIRE 96 112 -160 112
WIRE 192 112 192 16
WIRE 192 112 96 112
WIRE -160 128 -160 112
WIRE -160 224 -160 208
FLAG -272 112 0
FLAG 32 -64 +V
FLAG -272 -16 +V
FLAG 32 32 -V
FLAG -368 112 0
FLAG -368 -16 -V
FLAG -144 -144 0
FLAG 256 -48 +V
FLAG 256 48 -V
FLAG -160 224 0
FLAG 368 0 OUT
FLAG -160 0 IN-
FLAG 96 112 IN+
SYMBOL voltage -272 -16 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -368 -16 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 80 -160 R90
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res -32 -160 R90
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL voltage -160 0 R0
SYMATTR Value SINE(0 1m 100)
SYMATTR InstName V3
SYMBOL opamps\\LT1024 32 -80 R0
SYMATTR InstName U1
SYMBOL opamps\\LT1024 256 -64 R0
SYMATTR InstName U2
SYMBOL res 208 -32 R90
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 192 -224 R90
SYMATTR InstName R4
SYMATTR Value 2.2K
SYMBOL res 336 -224 R90
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL voltage -160 112 R0
SYMATTR Value SINE(0 1 10)
SYMATTR InstName V4
* SPICE netlist
M1 VDD Vin Vout N001 PMOS l=350n w=2.5u
M2 Vout Vin 0 N002 NMOS l=350n w=1u
.include tsmc350.txt

* LTspice schematic (.asc)
Version 4
SHEET 1 368 304
WIRE 184 -152 24 -152
WIRE 24 -104 24 -152
WIRE 24 -56 24 -88
WIRE -24 -24 -24 -88
WIRE -168 -8 -184 -8
WIRE -24 -8 -24 -24
WIRE -24 -8 -168 -8
WIRE -184 8 -184 -8
WIRE 24 8 24 -8
WIRE 24 24 24 8
WIRE -24 104 -24 -8
WIRE 24 104 24 72
WIRE 24 152 24 120
FLAG 24 152 0
FLAG -168 -8 Vin
FLAG 24 -152 VDD
FLAG 24 8 Vout
SYMBOL pmos4 -24 -104 R0
SYMATTR InstName M1
SYMATTR Value2 l=350n w=2.5u
SYMBOL nmos4 -24 24 R0
SYMATTR InstName M2
SYMATTR Value2 l=350n w=1u
* SPICE netlist
XM1 D 0 S DMP3056L ;pnba D)G)S
Vin D 0 3
Rload S 0 10
.include DMP3056L.mod
.dc Vin -50 50 0.1
.include DMP2305U.mod

* LTspice schematic (.asc)
Version 4
SHEET 1 528 320
WIRE -152 -160 -264 -160
WIRE -72 -160 -152 -160
WIRE 104 -160 24 -160
WIRE 264 -160 104 -160
WIRE 264 -48 264 -160
WIRE 8 -32 8 -112
WIRE -264 16 -264 -160
WIRE -264 128 -264 96
WIRE 8 128 8 -32
WIRE 8 128 -264 128
WIRE 264 128 264 32
WIRE 264 128 8 128
WIRE -264 160 -264 128
FLAG -264 160 0
FLAG -152 -160 D
FLAG 104 -160 S
FLAG 8 -32 G
SYMBOL pmos -72 -112 R270
SYMATTR InstName M1
SYMATTR Value DMP3056L
SYMATTR Prefix X
SYMBOL voltage -264 0 R0
SYMATTR Value 3
SYMATTR InstName Vin
SYMBOL res 248 -64 R0
SYMATTR InstName Rload
SYMATTR Value 10
* SPICE netlist
V1 IN 0 9
R1 N002 0 31.5K
R2 OUT N002 93.5K
L1 N001 OUT 100 Rser=0.02 Rpar=5000
C1 OUT 0 100 Rser=0.02
XU1 N002 MP_01 MP_02 0 N001 IN IN IN LTC1574 top=1K bot=1T ;pnba FB)))GND)SW)Vin)Ipgm)_SHDN
Rload OUT 0 15
.tran 3m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 736 240
WIRE -272 -120 -368 -120
WIRE -128 -120 -272 -120
WIRE -368 -104 -368 -120
WIRE -128 -104 -128 -120
WIRE 32 -88 16 -88
WIRE 144 -88 112 -88
WIRE 272 -88 144 -88
WIRE 368 -88 272 -88
WIRE 144 -72 144 -88
WIRE 272 -72 272 -88
WIRE 368 -72 368 -88
WIRE -272 -40 -272 -120
WIRE -256 -40 -272 -40
WIRE 16 -40 16 -88
WIRE 16 -40 0 -40
WIRE -368 -8 -368 -24
WIRE -272 24 -272 -40
WIRE -256 24 -272 24
WIRE 144 24 144 8
WIRE 144 24 0 24
WIRE 272 24 272 -8
WIRE 368 24 368 8
WIRE 144 40 144 24
WIRE -128 120 -128 88
FLAG 368 -88 OUT
FLAG 272 24 0
FLAG 368 24 0
FLAG -128 120 0
FLAG 144 120 0
FLAG -368 -8 0
FLAG -368 -120 IN
SYMBOL VOLTAGE -368 -120 R0
SYMATTR InstName V1
SYMATTR Value 9
SYMBOL RES 128 24 R0
SYMATTR InstName R1
SYMATTR Value 31.5K
SYMBOL RES 128 -88 R0
SYMATTR InstName R2
SYMATTR Value 93.5K
SYMBOL IND 16 -72 R270
SYMATTR InstName L1
SYMATTR Value 100
SYMATTR SpiceLine Rser=0.02 Rpar=5000
SYMBOL POLCAP 256 -72 R0
SYMATTR InstName C1
SYMATTR Value 100
SYMATTR SpiceLine Rser=0.02
SYMBOL POWERPRODUCTS\\LTC1574 -128 -24 R0
SYMATTR InstName U1
SYMBOL RES 352 -88 R0
SYMATTR InstName Rload
SYMATTR Value 15
* SPICE netlist
M1 Vout Vin 0 0 NMOS l=0.26u w=7.67u
Rd Vdd Vout 11k
CL Vout 0 1.5p
V1 Vdd 0 1.8
V2 Vin 0 SINE(0.457 1m 1k) AC 1
.include IBM130nm.txt
;.param w 1u
;.step param w 0.13u 7.8u 0.13u
.ac dec 10 10 1gig

* LTspice schematic (.asc)
Version 4
SHEET 1 992 544
WIRE 144 -192 144 -272
WIRE 144 -80 144 -112
WIRE 384 -80 144 -80
WIRE 496 -80 384 -80
WIRE 144 -64 144 -80
WIRE 384 -48 384 -80
WIRE 240 -16 144 -16
WIRE -64 16 -80 16
WIRE 96 16 -64 16
WIRE 144 48 144 32
WIRE 240 48 240 -16
WIRE 240 48 144 48
WIRE -496 96 -496 32
WIRE -352 96 -352 32
WIRE 384 96 384 16
WIRE 144 240 144 48
WIRE -496 272 -496 176
WIRE -352 272 -352 176
FLAG -64 16 Vin
FLAG 144 -272 Vdd
FLAG 496 -80 Vout
FLAG 144 240 0
FLAG 384 96 0
FLAG -496 272 0
FLAG -352 272 0
FLAG -496 32 Vdd
FLAG -352 32 Vin
SYMBOL nmos4 96 -64 R0
SYMATTR InstName M1
SYMATTR Value2 l=0.26u w=7.67u
SYMBOL res 128 -208 R0
SYMATTR InstName Rd
SYMATTR Value 11k
SYMBOL cap 368 -48 R0
SYMATTR InstName CL
SYMATTR Value 1.5p
SYMBOL voltage -496 80 R0
SYMATTR InstName V1
SYMATTR Value 1.8
SYMBOL voltage -352 80 R0
SYMATTR InstName V2
SYMATTR Value SINE(0.457 1m 1k)
SYMATTR Value2 AC 1
* SPICE netlist
V1 N001 0 -10
R1 N001 N002 1k
R2 N002 0 1k
.op

* LTspice schematic (.asc)
Version 4
SHEET 1 200 384
WIRE 80 -192 -80 -192
WIRE 80 -144 80 -192
WIRE -80 -64 -80 -192
WIRE 80 0 80 -64
WIRE 80 0 64 0
WIRE 80 16 80 0
WIRE -80 160 -80 16
WIRE 0 160 -80 160
WIRE 80 160 80 96
WIRE 80 160 0 160
WIRE 0 192 0 160
FLAG 0 192 0
DATAFLAG 144 -176 ""
DATAFLAG 160 16 ""
SYMBOL voltage -80 -80 R0
SYMATTR InstName V1
SYMATTR Value -10
SYMBOL res 64 -160 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 64 0 R0
SYMATTR InstName R2
SYMATTR Value 1k
* SPICE netlist
VIN N002 0 SINE(0 10 50)
V2 VCC 0 15
V3 0 VEE 15
D1 VOUT N001 D
D2 N001 VOUT D
R2 N001 N002 10k
XU2 N003 N001 VCC VEE VOUT OP27 ;pnba In+)In-)V+)V-)OUT
V1 P10V 0 10
V4 0 N10V 10
R1 N003 P10V 10k
R4 0 N003 10k
;dc V1 0 10 0.01
.tran 0.1

* LTspice schematic (.asc)
Version 4
SHEET 1 832 368
WIRE 272 -120 272 -168
WIRE 272 -120 256 -120
WIRE 336 -120 336 -168
WIRE 256 24 256 -120
WIRE 336 40 336 -120
WIRE -352 -24 -416 -24
WIRE -176 -24 -256 -24
WIRE -256 -8 -256 -24
WIRE -176 -8 -176 -24
WIRE 176 24 -64 24
WIRE 272 24 256 24
WIRE -64 40 -64 24
WIRE 416 40 336 40
WIRE 272 56 256 56
WIRE 256 88 256 56
FLAG -64 120 0
FLAG -176 -8 0
FLAG 416 40 VOUT
FLAG -256 -104 VCC
FLAG 304 8 VCC
FLAG -256 72 VEE
FLAG 304 72 VEE
FLAG 256 168 0
FLAG -352 -24 0
FLAG -416 -104 P10V
FLAG -416 56 N10V
FLAG 176 88 P10V
SYMBOL voltage -64 24 R0
SYMATTR Value SINE(0 10 50)
SYMATTR InstName VIN
SYMBOL voltage -256 -120 R0
SYMATTR Value 15
SYMATTR InstName V2
SYMBOL voltage -256 -24 R0
SYMATTR InstName V3
SYMATTR Value 15
SYMBOL diode 336 -184 R90
SYMATTR InstName D1
SYMBOL diode 272 -104 R270
SYMATTR InstName D2
SYMBOL res 272 8 R90
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL OpAmps\\OP27 304 -24 R0
SYMATTR InstName U2
SYMBOL voltage -416 -120 R0
SYMATTR Value 10
SYMATTR InstName V1
SYMBOL voltage -416 -40 R0
SYMATTR InstName V4
SYMATTR Value 10
SYMBOL res 272 72 R90
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 272 184 R180
SYMATTR InstName R4
SYMATTR Value 10k
* SPICE netlist
V1 N001 0 1.8
V2 N002 0 1.8
M1 N001 N002 0 N003 NMOS l=1080nm w=1080nm
.dc V1 0 1.80 0.1 V2 0 1.8 0.2

* LTspice schematic (.asc)
Version 4
SHEET 1 272 432
WIRE 136 -216 40 -216
WIRE 40 -184 40 -216
WIRE 40 -72 40 -104
WIRE -8 8 -136 8
WIRE 40 8 40 -24
WIRE -136 72 -136 8
WIRE 40 88 40 24
WIRE -136 216 -136 152
FLAG -136 216 0
FLAG 40 88 0
FLAG 136 -216 0
SYMBOL voltage 40 -88 R180
SYMATTR InstName V1
SYMATTR Value 1.8
SYMBOL voltage -136 56 R0
SYMATTR InstName V2
SYMATTR Value 1.8
SYMBOL nmos4 -8 -72 R0
SYMATTR InstName M1
SYMATTR Value2 l=1080nm w=1080nm
* SPICE netlist
VPS vps 0 0
R1 vd1 vps 20k
D1 vd1 0 1N4007
.dc VPS 0 10 .01

* LTspice schematic (.asc)
Version 4
SHEET 1 224 208
WIRE -16 -88 -112 -88
WIRE 112 -88 64 -88
WIRE -112 -24 -112 -88
WIRE 112 -24 112 -88
WIRE -112 88 -112 56
WIRE 112 88 112 40
WIRE 112 88 -112 88
WIRE -112 104 -112 88
FLAG -112 104 0
FLAG 112 -88 vd1
IOPIN 320 80 Out
FLAG -112 -88 vps
IOPIN 96 80 Out
SYMBOL voltage -112 -40 R0
SYMATTR InstName VPS
SYMATTR Value 0
SYMBOL res 80 -104 R90
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL diode 96 -24 R0
SYMATTR InstName D1
SYMATTR Value 1N4007
* SPICE netlist
XU1 N002 0 N003 N004 PC817 Igain=1.5m ;pnba A)K)C)E
R1 VDD N003 1K
V1 IN 0 PULSE(0 3.3 2 1n 1n 2 4)
R2 N002 IN 330
V2 VDD 0 12
Q2 OUT N004 0 0 BC337-40
R3 N004 0 10k
L1 VDD OUT 25m Rser=100
D2 0 OUT 1N4148
DLED N001 OUT D
R5 VDD N001 4.7k
D4 OUT VDD 1N5819
.tran 10s

* LTspice schematic (.asc)
Version 4.1
SHEET 1 1168 624
WIRE -184 -264 -184 -312
WIRE 152 -216 152 -264
WIRE 424 -216 424 -248
WIRE 424 -216 360 -216
WIRE 424 -184 424 -216
WIRE 360 -168 360 -216
WIRE -184 -136 -184 -184
WIRE -40 -120 -40 -168
WIRE 152 -88 152 -136
WIRE 360 -72 360 -104
WIRE 424 -72 424 -104
WIRE 424 -72 360 -72
WIRE 152 8 152 -24
WIRE 424 8 424 -72
WIRE 424 8 152 8
WIRE 488 8 424 8
WIRE -584 24 -584 -24
WIRE -456 24 -584 24
WIRE -280 24 -376 24
WIRE -40 24 -40 -40
WIRE -40 24 -88 24
WIRE 424 40 424 8
WIRE 568 40 424 40
WIRE -584 56 -584 24
WIRE 424 72 424 40
WIRE 568 88 568 40
WIRE -280 120 -328 120
WIRE -88 120 -104 120
WIRE 328 120 -88 120
WIRE 360 120 328 120
WIRE 328 168 328 120
WIRE -584 184 -584 136
WIRE -328 184 -328 120
WIRE 424 200 424 168
WIRE 568 200 568 152
WIRE 568 200 424 200
WIRE 328 280 328 248
WIRE 424 280 424 200
WIRE 424 280 328 280
WIRE 424 312 424 280
FLAG -328 184 0
FLAG -584 184 0
FLAG -184 -136 0
FLAG -584 -24 IN
FLAG 424 312 0
FLAG -184 -312 VDD
FLAG -40 -168 VDD
FLAG 424 -248 VDD
FLAG 488 8 OUT
FLAG 152 -264 VDD
SYMBOL Optos\\PC817B -184 72 R0
SYMATTR InstName U1
SYMBOL res -56 -136 R0
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL voltage -584 40 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 2 1n 1n 2 4)
SYMBOL res -360 8 R90
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL voltage -184 -280 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL npn 360 72 R0
SYMATTR InstName Q2
SYMATTR Value BC337-40
SYMBOL res 312 152 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL ind 408 -200 R0
SYMATTR Value 25m
SYMATTR InstName L1
SYMATTR SpiceLine Rser=100
SYMBOL diode 584 152 R180
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL LED 136 -88 R0
SYMATTR InstName LED
SYMBOL res 136 -232 R0
SYMATTR InstName R5
SYMATTR Value 4.7k
SYMBOL schottky 376 -104 R180
SYMATTR InstName D4
SYMATTR Value 1N5819
* SPICE netlist
R1 P001 0 R={100/I(R1)^2}
V1 P002 0 10
R2 P002 P001 1
.op

* LTspice schematic (.asc)
Version 4
SHEET 1 200 240
FLAG 8 -120 0
FLAG 8 120 0
SYMBOL res -8 24 R0
SYMATTR InstName R1
SYMATTR Value R={100/I(R1)^2}
SYMBOL voltage 8 -24 R180
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL res -8 -56 R0
SYMATTR InstName R2
SYMATTR Value 1
* SPICE netlist
R1 IN N002 825K
R2 N002 0 80.6K
R3 OUT N003 6.04Meg
R4 N003 0 1Meg
Vbat IN 0 PWL(0 0 20 28 40 0)
XU1 IN OUT OUT 0 IN LT3008-3.3 ;pnba IN)OUT)Sense)GND)_SHDN
XU2 OUT OUT _UV N001 0 N001 N003 N002 LTC2960-3 ;pnba Vin)DVCC)_RST)OUT)GND)_MR)ADJ)IN+
C2 OUT 0 22
.tran 40

* LTspice schematic (.asc)
Version 4
SHEET 1 1360 544
WIRE -664 -272 -680 -272
WIRE -312 -272 -664 -272
WIRE -264 -272 -312 -272
WIRE -248 -272 -264 -272
WIRE 72 -272 40 -272
WIRE 280 -272 72 -272
WIRE 408 -272 280 -272
WIRE 536 -272 408 -272
WIRE 680 -272 536 -272
WIRE -680 -256 -680 -272
WIRE 680 -256 680 -272
WIRE 424 -224 152 -224
WIRE 280 -208 280 -272
WIRE -264 -176 -264 -272
WIRE -248 -176 -264 -176
WIRE 72 -176 72 -272
WIRE 72 -176 40 -176
WIRE 680 -176 680 -192
WIRE -680 -160 -680 -176
WIRE 152 -160 152 -224
WIRE 168 -160 152 -160
WIRE 408 -160 408 -272
WIRE 408 -160 392 -160
WIRE -312 -144 -312 -272
WIRE -104 -80 -104 -112
WIRE -312 -48 -312 -64
WIRE 168 -48 -312 -48
WIRE 424 -48 424 -224
WIRE 424 -48 392 -48
WIRE -312 -32 -312 -48
WIRE -312 64 -312 48
WIRE 168 64 136 64
WIRE 440 64 392 64
WIRE 536 64 536 -272
WIRE 280 128 280 112
WIRE 136 160 136 64
WIRE 536 160 536 144
WIRE 536 160 136 160
WIRE 536 176 536 160
WIRE 536 272 536 256
FLAG -312 64 0
FLAG 536 272 0
FLAG 680 -272 OUT
FLAG -680 -160 0
FLAG 280 128 0
FLAG 440 64 _UV
FLAG -104 -80 0
FLAG 680 -176 0
FLAG -664 -272 IN
SYMBOL res -328 -160 R0
SYMATTR InstName R1
SYMATTR Value 825K
SYMBOL res -328 -48 R0
SYMATTR InstName R2
SYMATTR Value 80.6K
SYMBOL res 520 48 R0
SYMATTR InstName R3
SYMATTR Value 6.04Meg
SYMBOL res 520 160 R0
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL voltage -680 -272 R0
SYMATTR InstName Vbat
SYMATTR Value PWL(0 0 20 28 40 0)
SYMBOL PowerProducts\\LT3008-3.3 -104 -224 R0
SYMATTR InstName U1
SYMBOL LTC2960-3 280 -48 R0
SYMATTR InstName U2
SYMBOL cap 664 -256 R0
SYMATTR InstName C2
SYMATTR Value 22
* SPICE netlist
XU1 N001 N004 N002 N005 PC817 Igain=1m ;pnba A)K)C)E
Q1 N002 N007 N009 0 BC817-25
R1 N003 N006 10
R2 N009 0 10K
R3 N005 N007 1K
R4 N004 N008 1K
V1 N001 0 PULSE(0 5 0.1 0.001 0.001 0.1 0.3 10)
V2 N003 0 12
D1 N008 0 NSCW100
R5 N003 N002 0.001R
M1 N006 N009 0 0 IRL530NS_L
.tran 1s startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1024 416
WIRE -272 -192 -512 -192
WIRE 112 -192 -80 -192
WIRE 160 -192 112 -192
WIRE 304 -192 240 -192
WIRE 512 -192 304 -192
WIRE 304 -160 304 -192
WIRE -272 -96 -288 -96
WIRE -32 -96 -80 -96
WIRE -512 -80 -512 -192
WIRE -32 -80 -32 -96
WIRE 512 -80 512 -192
WIRE -288 -48 -288 -96
WIRE 112 -32 112 -192
WIRE 304 -16 304 -80
WIRE -512 16 -512 0
WIRE -32 16 -32 0
WIRE 48 16 -32 16
WIRE -288 64 -288 32
WIRE 176 64 112 64
WIRE 256 64 176 64
WIRE 176 96 176 64
WIRE 304 208 304 80
FLAG 304 208 0
FLAG 512 0 0
FLAG 176 176 0
FLAG -288 128 0
FLAG -512 16 0
SYMBOL Optos/PC817A -176 -144 R0
SYMATTR InstName U1
SYMBOL npn 48 -32 R0
SYMATTR InstName Q1
SYMATTR Value BC817-25
SYMBOL res 288 -176 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 160 80 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res -48 -96 R0
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL res -304 -64 R0
SYMATTR InstName R4
SYMATTR Value 1K
SYMBOL voltage -512 -96 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 5 0.1 0.001 0.001 0.1 0.3 10)
SYMBOL voltage 512 -96 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL LED -304 64 R0
SYMATTR InstName D1
SYMATTR Value NSCW100
SYMBOL res 256 -208 R90
SYMATTR InstName R5
SYMATTR Value 0.001R
SYMBOL nmos 256 -16 R0
SYMATTR InstName M1
SYMATTR Value IRL530NS_L
* SPICE netlist
V1 Vcc 0 15
V2 Vee 0 -15
V3 N003 0 SINE(0 1 5 0 0 0 0)
Q1 V+ N002 N001 0 2N3904
Q2 V- N002 N001 0 2N3906
R1 N001 0 2.5
XU1 N003 N001 Vcc Vee N002 LT1007 ;pnba In+)In-)V+)V-)OUT
V4 V+ 0 1.5
V5 V- 0 -1.5
M1 Vcc N005 N004 N004 AO6408
M2 N004 N005 Vee Vee AO6407
R2 N004 0 10k
V8 N006 0 SINE(0 1 5)
XU2 N006 N004 Vcc Vee N005 LT1007 ;pnba In+)In-)V+)V-)OUT
.tran 1

* LTspice schematic (.asc)
Version 4.1
SHEET 1 960 1088
WIRE 352 -544 -16 -544
WIRE 208 -384 208 -432
WIRE 144 -336 128 -336
WIRE -16 -304 -16 -544
WIRE 0 -304 -16 -304
WIRE 128 -288 128 -336
WIRE 128 -288 64 -288
WIRE 0 -272 -480 -272
WIRE 208 -272 208 -288
WIRE 352 -272 352 -544
WIRE 352 -272 208 -272
WIRE 480 -272 352 -272
WIRE 480 -256 480 -272
WIRE -480 -240 -480 -272
WIRE 208 -240 208 -272
WIRE 128 -192 128 -288
WIRE 144 -192 128 -192
WIRE 480 -160 480 -176
WIRE 208 -112 208 -144
WIRE 320 48 -192 48
WIRE 160 160 160 144
WIRE 160 192 160 160
WIRE 112 272 64 272
WIRE -192 304 -192 48
WIRE -160 304 -192 304
WIRE 64 320 64 272
WIRE 64 320 -96 320
WIRE -160 336 -384 336
WIRE 160 336 160 288
WIRE 320 336 320 48
WIRE 320 336 160 336
WIRE 384 336 320 336
WIRE -384 368 -384 336
WIRE 160 368 160 336
WIRE 64 448 64 320
WIRE 112 448 64 448
WIRE 384 464 384 416
WIRE 160 544 160 464
FLAG -480 -160 0
FLAG -112 -352 0
FLAG -192 -352 0
FLAG 480 -160 0
FLAG -192 -432 Vcc
FLAG -112 -432 Vee
FLAG 32 -320 Vcc
FLAG 32 -256 Vee
FLAG -448 -352 0
FLAG -352 -352 0
FLAG -448 -432 V+
FLAG 208 -112 V-
FLAG -352 -432 V-
FLAG 208 -432 V+
FLAG -384 448 0
FLAG 384 464 0
FLAG 160 160 Vcc
FLAG -128 288 Vcc
FLAG 160 544 Vee
FLAG -128 352 Vee
SYMBOL voltage -192 -448 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -112 -448 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage -480 -256 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 1 5 0 0 0 0)
SYMBOL npn 144 -384 R0
SYMATTR InstName Q1
SYMATTR Value 2N3904
SYMBOL pnp 144 -144 M180
SYMATTR InstName Q2
SYMATTR Value 2N3906
SYMBOL res 464 -272 R0
SYMATTR InstName R1
SYMATTR Value 2.5
SYMBOL Opamps\\LT1007 32 -352 R0
SYMATTR InstName U1
SYMBOL voltage -448 -448 R0
SYMATTR InstName V4
SYMATTR Value 1.5
SYMBOL voltage -352 -448 R0
SYMATTR InstName V5
SYMATTR Value -1.5
SYMBOL nmos 112 192 R0
SYMATTR InstName M1
SYMATTR Value AO6408
SYMBOL pmos 112 368 R0
SYMATTR InstName M2
SYMATTR Value AO6407
SYMBOL res 368 320 R0
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage -384 352 R0
SYMATTR InstName V8
SYMATTR Value SINE(0 1 5)
SYMBOL Opamps\\LT1007 -128 256 R0
SYMATTR InstName U2
* SPICE netlist
V1 +V 0 5
V2 -V 0 -5
R1 N007 N006 560
R2 N002 N006 560
R3 N002 N001 560
R4 N001 0 560
V3 N004 0 PULSE(0 1 0 10n 10n .5u 1u)
R5 N003 N002 68.1
R6 N008 N007 68.1
L1 N003 N008 1m
L2 N005 0 1m
Rload N005 0 135
XU1 N004 N001 +V -V N002 LT1497 ;pnba In+)In-)V+)V-)OUT
XU2 0 N006 +V -V N007 LT1497 ;pnba In+)In-)V+)V-)OUT
.tran 50u
K1 L1 L2 1

* LTspice schematic (.asc)
Version 4
SHEET 1 912 496
WIRE -152 -232 -168 -232
WIRE -56 -232 -72 -232
WIRE 8 -232 -56 -232
WIRE 104 -232 88 -232
WIRE -8 -152 -8 -168
WIRE -56 -136 -56 -232
WIRE -40 -136 -56 -136
WIRE 104 -120 104 -232
WIRE 104 -120 24 -120
WIRE 136 -120 104 -120
WIRE 248 -120 216 -120
WIRE -40 -104 -456 -104
WIRE -456 -88 -456 -104
WIRE -8 -72 -8 -88
WIRE 248 -24 248 -120
WIRE 312 -24 248 -24
WIRE 456 -24 360 -24
WIRE 8 -8 -56 -8
WIRE 104 -8 104 -120
WIRE 104 -8 88 -8
WIRE 312 -8 312 -24
WIRE 360 -8 360 -24
WIRE 456 -8 456 -24
WIRE -456 8 -456 -8
WIRE -56 88 -56 -8
WIRE 8 88 -56 88
WIRE 104 88 88 88
WIRE 312 88 312 72
WIRE 312 88 248 88
WIRE 360 88 360 72
WIRE 456 88 456 72
WIRE 456 88 360 88
WIRE -328 104 -328 88
WIRE -200 104 -200 88
WIRE 456 120 456 88
WIRE -8 168 -8 152
WIRE -56 184 -56 88
WIRE -40 184 -56 184
WIRE -328 200 -328 184
WIRE -200 200 -200 184
WIRE 104 200 104 88
WIRE 104 200 24 200
WIRE 120 200 104 200
WIRE 248 200 248 88
WIRE 248 200 200 200
WIRE -40 216 -56 216
WIRE -8 248 -8 232
FLAG -200 200 0
FLAG -8 152 +V
FLAG -200 88 +V
FLAG -8 248 -V
FLAG -328 200 0
FLAG -328 88 -V
FLAG -8 -168 +V
FLAG -8 -72 -V
FLAG -168 -232 0
FLAG -56 216 0
FLAG -456 8 0
FLAG 456 120 0
SYMBOL voltage -200 88 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage -328 88 R0
SYMATTR InstName V2
SYMATTR Value -5
SYMBOL res 104 72 R90
SYMATTR InstName R1
SYMATTR Value 560
SYMBOL res 104 -24 R90
SYMATTR InstName R2
SYMATTR Value 560
SYMBOL res 104 -248 R90
SYMATTR InstName R3
SYMATTR Value 560
SYMBOL res -56 -248 R90
SYMATTR InstName R4
SYMATTR Value 560
SYMBOL voltage -456 -104 R0
SYMATTR InstName V3
SYMATTR Value PULSE(0 1 0 10n 10n .5u 1u)
SYMBOL res 232 -136 R90
SYMATTR InstName R5
SYMATTR Value 68.1
SYMBOL res 216 184 R90
SYMATTR InstName R6
SYMATTR Value 68.1
SYMBOL ind2 296 -24 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL ind2 376 -24 M0
SYMATTR InstName L2
SYMATTR Value 1m
SYMATTR Type ind
SYMBOL res 440 -24 R0
SYMATTR InstName Rload
SYMATTR Value 135
SYMBOL LT1497 -8 -184 R0
SYMATTR InstName U1
SYMBOL LT1497 -8 136 R0
SYMATTR InstName U2
* SPICE netlist
V1 +V 0 15
Vin IN 0 SINE(0 1 10k)
R1 N001 0 10k
R2 OUT N001 10k
V2 -V 0 -15
Rload OUT 0 10k
XU1 IN N001 +V -V OUT MAX74840 ;pnba In+)In-)V+)V-)OUT
.tran 1m

* LTspice schematic (.asc)
Version 4.1
SHEET 1 608 272
WIRE -16 -120 -32 -120
WIRE 80 -120 64 -120
WIRE 96 -120 80 -120
WIRE 208 -120 176 -120
WIRE -304 -40 -304 -56
WIRE -192 -40 -192 -56
WIRE 80 -8 80 -120
WIRE 96 -8 80 -8
WIRE 208 8 208 -120
WIRE 208 8 160 8
WIRE 304 8 208 8
WIRE 96 24 -16 24
WIRE 304 24 304 8
WIRE -16 40 -16 24
WIRE -304 56 -304 40
WIRE -192 56 -192 40
WIRE 304 120 304 104
WIRE -16 136 -16 120
FLAG -304 -56 +V
FLAG -304 56 0
FLAG -16 136 0
FLAG 304 8 OUT
FLAG -16 24 IN
FLAG 128 -24 +V
FLAG -192 -56 -V
FLAG 128 40 -V
FLAG -32 -120 0
FLAG 304 120 0
FLAG -192 56 0
SYMBOL voltage -304 -56 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -16 24 R0
SYMATTR InstName Vin
SYMATTR Value SINE(0 1 10k)
SYMBOL res 80 -136 R90
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL res 192 -136 R90
SYMATTR InstName R2
SYMATTR Value 10k
SYMBOL voltage -192 -56 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL res 288 8 R0
SYMATTR InstName Rload
SYMATTR Value 10k
SYMBOL MAX74840 128 -56 R0
SYMATTR InstName U1
* SPICE netlist
V1 N003 0 PULSE(0 1 0 1n 1n 5u 10u)
C1 N001 N003 10n
R1 N002 N001 10
XU1 N001 0 N002 opamp Aol=100K GBW=10Meg ;pnba invin)noninvin)out
R2 N002 0 1
.tran 100m

* LTspice schematic (.asc)
Version 4.1
SHEET 1 672 416
WIRE 64 -192 -32 -192
WIRE 224 -192 144 -192
WIRE -160 -48 -336 -48
WIRE -32 -48 -32 -192
WIRE -32 -48 -96 -48
WIRE 48 -48 -32 -48
WIRE 224 -32 224 -192
WIRE 224 -32 112 -32
WIRE 336 -32 224 -32
WIRE 48 -16 -32 -16
WIRE -336 32 -336 -48
WIRE 336 32 336 -32
WIRE -336 208 -336 112
WIRE -32 208 -32 -16
WIRE 336 208 336 112
FLAG -336 208 0
FLAG -32 208 0
FLAG 336 208 0
SYMBOL voltage -336 16 R0
SYMATTR InstName V1
SYMATTR Value PULSE(0 1 0 1n 1n 5u 10u)
SYMBOL cap -96 -64 R90
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL res 160 -208 R90
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL OpAmps\\opamp 80 -96 R0
SYMATTR InstName U1
SYMBOL res 320 16 R0
SYMATTR InstName R2
SYMATTR Value 1
* SPICE netlist
R1 OUT N001 R={ if(time<2m, 20, 0.5) }
V1 N001 0 10
RLOAD OUT 0 100
.tran 5m

* LTspice schematic (.asc)
Version 4.1
SHEET 1 400 200
WIRE -104 -64 -200 -64
WIRE 168 -64 -24 -64
WIRE 200 -64 168 -64
WIRE 200 -48 200 -64
WIRE -200 -16 -200 -64
WIRE 200 64 200 32
FLAG 200 64 0
FLAG -200 64 0
FLAG 168 -64 OUT
SYMBOL res -8 -48 M270
SYMATTR InstName R1
SYMATTR Value R={ if(time<2m, 20, 0.5) }
SYMBOL voltage -200 -32 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL res 184 -64 R0
SYMATTR InstName LOAD
SYMATTR Value 100
* SPICE netlist
M1 out in 0 0 N_50n l=50n w=0.5u
M2 vdd in out vdd P_50n l=50n w=1u
.include Model_file.txt

* LTspice schematic (.asc)
Version 4
SHEET 1 320 384
WIRE 48 -160 48 -192
WIRE 64 -160 48 -160
WIRE 48 -144 48 -160
WIRE 64 -96 64 -160
WIRE 64 -96 48 -96
WIRE 0 -64 -48 -64
WIRE 48 16 48 -48
WIRE 160 16 48 16
WIRE -48 32 -48 -64
WIRE -48 32 -160 32
WIRE 48 32 48 16
WIRE 64 80 48 80
WIRE -48 112 -48 32
WIRE 0 112 -48 112
WIRE 48 144 48 128
WIRE 64 144 64 80
WIRE 64 144 48 144
WIRE 48 192 48 144
WIRE 48 192 -160 192
FLAG 48 -192 vdd
IOPIN 240 -112 In
FLAG -160 32 in
IOPIN 32 112 In
FLAG 160 16 out
IOPIN 352 96 Out
FLAG -160 192 0
SYMBOL nmos4 0 32 R0
SYMATTR InstName M1
SYMATTR Value N_50n
SYMATTR Value2 l=50n w=0.5u
SYMBOL pmos4 0 -144 R0
SYMATTR InstName M2
SYMATTR Value P_50n
SYMATTR Value2 l=50n w=1u