* Z:\home\khalils\Downloads\files\data\raw_asc\fdcfac56fb49_D5_1_.asc
* Generated by LTspice 26.0.1 for Windows.
* 3.3v to 5v Design 1
* 3.3v to 5v Design 2
* Both designs require a large resistor, Design 1 is inverting, Design 2 is not.
* 5v to 3.3v - High component count but non inverting
* 5v to 3.3v - Only one mosfet but inverting (I think we should use this)
* Library below included based on ModelFile attribute of instance XU1, XU2, XU3, XU4, XU5, XU6, XU7, XU8, XU9, XU10 (C:\users\khalils\AppData\Local\LTspice\lib\sym\OpAmps\UniversalOpAmp.asy)
R20 N023 +10v__ 330
R7 N012 N011 150
M4 N017 N016 0 0 NMOS
D2 N009 N010 1N4148
R18 N022 N021 100
R5 #2_1/#2_2_input N009 100
C1 N007 0 10n
XU6 0 N022 +10v__ 0 +5v__ level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R15 +3.3v N015 100k
XU3 0 N012 +5v 0 N013 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R21 N024 N023 100
R12 +5v N003 100k
M2 N003 +3.3v N002 N002 NMOS
R23 3.3V_output N025 100
M3 N016 N019 0 0 NMOS
XU10 0 N028 +10v__ 0 .potential.10v_output level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
XU5 0 N020 +10v__ 0 N021 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V7 N018 0 PULSE(0 5 0 10n 10n 500m 1 5)
R13 +3.3v N016 100k
V4 N002 0 PULSE(0 3.3 0 10n 10n 500m 1000m 5)
R3 N005 0 200
R4 N009 N008 200
R16 N020 +10v__ 200
R24 N026 +10v__ 110
R22 N025 N024 100
R2 #1_1 N005 400
R26 N028 N027 100
R25 N027 N026 100
V6 N019 0 PULSE(0 5 0 10n 10n 500m 1 5)
V#2_3/#2_4 N011 0 5
V8 +10v__ 0 10.8V
V5 +3.3v 0 3.3V
R9 N014 N013 100
R19 +5v__ N022 100
V#2_1/#2_2 N008 0 SINE(0 4 50 0 0 0 100)
XU2 0 N009 +5v 0 N010 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
M1 N001 N004 0 0 NMOS
XU1 N007 N005 +10v 0 #1_1 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
XU4 0 N014 +5v 0 #2_3/#2_4_input level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V2 N004 0 PULSE(0 3.3 0 10n 10n 500m 1000m 5)
M5 N015 N018 0 0 NMOS
R11 +5v N001 100k
R17 N021 N020 100
R14 +3.3v N017 100k
XU7 0 N023 +10v__ 0 N024 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
V3 +5v 0 5V
VFast_PWM N006 0 PULSE(0 3.3 0 10n 10n 0.5u 1u 2000)
V1 +10v 0 10V
XU8 0 N025 +10v__ 0 3.3V_output level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R6 #2_1/#2_2_input 0 1k
R8 N013 N012 100
R10 #2_3/#2_4_input N014 100
XU9 0 N026 +10v__ 0 N027 level1 Avol=1Meg GBW=10Meg Vos=0 En=0 Enk=0 In=0 Ink=0 Rin=500Meg ;pnba In+)In-)V+)V-)OUT
R27 .potential.10v_output N028 100
R1 N007 N006 3k
D1 N010 #2_1/#2_2_input 1N4148
.model D D
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.dio
.model NMOS NMOS
.model PMOS PMOS
.lib C:\users\khalils\AppData\Local\LTspice\lib\cmp\standard.mos
.tran 0 10 0 0.1
.lib UniversalOpAmp1.lib
.backanno
.end

* LTspice schematic (.asc):
Version 4
SHEET 1 880 680
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WIRE -44016 -30464 -44112 -30464
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WIRE -43712 -30320 -43744 -30320
WIRE -43664 -30320 -43712 -30320
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WIRE -43536 -30304 -43600 -30304
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WIRE -44112 -30144 -44112 -30304
WIRE -43856 -30144 -43856 -30288
WIRE 32 0 32 -16
WIRE 64 0 32 0
WIRE 64 16 64 0
SYMBOL voltage -44608 -31392 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V8
SYMATTR Value 10.8V
SYMBOL res -43920 -31440 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 100
SYMBOL res -44176 -30960 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R20
SYMATTR Value 330
SYMBOL res -43024 -32480 R0
SYMATTR InstName R3
SYMATTR Value 200
SYMBOL OpAmps\\UniversalOpAmp -44000 -30320 R0
SYMATTR InstName U9
SYMBOL res -43568 -31424 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 100
SYMBOL res -41136 -32144 R0
SYMATTR InstName R14
SYMATTR Value 100k
SYMBOL res -40352 -32160 R0
SYMATTR InstName R15
SYMATTR Value 100k
SYMBOL res -44176 -31440 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R16
SYMATTR Value 200
SYMBOL cap -43104 -32432 R0
SYMATTR InstName C1
SYMATTR Value 10n
SYMBOL res -41056 -32928 R0
SYMATTR InstName R12
SYMATTR Value 100k
SYMBOL res -41328 -32144 R0
SYMATTR InstName R13
SYMATTR Value 100k
SYMBOL voltage -43376 -32416 R0
WINDOW 3 492 96 Right 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 3.3 0 10n 10n 0.5u 1u 2000)
SYMATTR InstName Fast_PWM
SYMBOL nmos -41168 -32016 R0
SYMATTR InstName M4
SYMBOL res -43920 -30480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R25
SYMATTR Value 100
SYMBOL res -43728 -30816 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R22
SYMATTR Value 100
SYMBOL res -44176 -30480 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R24
SYMATTR Value 110
SYMBOL res -42896 -32112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R7
SYMATTR Value 150
SYMBOL res -42864 -32688 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 47 58 VTop 2
SYMATTR InstName R2
SYMATTR Value 400
SYMBOL res -43728 -31296 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R18
SYMATTR Value 100
SYMBOL OpAmps\\UniversalOpAmp -43632 -31264 R0
SYMATTR InstName U6
SYMBOL res -41824 -32912 R0
SYMATTR InstName R11
SYMATTR Value 100k
SYMBOL OpAmps\\UniversalOpAmp -43872 -31984 R0
SYMATTR InstName U2
SYMBOL diode -43808 -31968 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -43936 -32080 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res -43568 -30944 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R23
SYMATTR Value 100
SYMBOL nmos -41360 -32016 R0
SYMATTR InstName M3
SYMBOL voltage -41312 -32688 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value PULSE(0 3.3 0 10n 10n 500m 1000m 5)
SYMBOL OpAmps\\UniversalOpAmp -43632 -30784 R0
SYMATTR InstName U8
SYMBOL voltage -43040 -31872 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName #2_3/#2_4
SYMATTR Value 5
SYMBOL voltage -44256 -31968 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName #2_1/#2_2
SYMATTR Value SINE(0 4 50 0 0 0 100)
SYMBOL OpAmps\\UniversalOpAmp -42352 -31936 R0
SYMATTR InstName U4
SYMBOL voltage -43952 -32736 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 10V
SYMBOL OpAmps\\UniversalOpAmp -42912 -32496 R0
SYMATTR InstName U1
SYMBOL res -44096 -32192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 200
SYMBOL res -42448 -31968 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL res -43824 -32192 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R5
SYMATTR Value 100
SYMBOL voltage -41456 -31920 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value PULSE(0 5 0 10n 10n 500m 1 5)
SYMBOL res -42288 -32096 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R10
SYMATTR Value 100
SYMBOL res -43680 -32000 R0
SYMATTR InstName R6
SYMATTR Value 1k
SYMBOL OpAmps\\UniversalOpAmp -44000 -31280 R0
SYMATTR InstName U5
SYMBOL nmos -41856 -32800 R0
SYMATTR InstName M1
SYMBOL voltage -40528 -31920 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V7
SYMATTR Value PULSE(0 5 0 10n 10n 500m 1 5)
SYMBOL OpAmps\\UniversalOpAmp -43632 -30304 R0
SYMATTR InstName U10
SYMBOL voltage -41920 -32672 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value PULSE(0 3.3 0 10n 10n 500m 1000m 5)
SYMBOL nmos -41088 -32832 R90
SYMATTR InstName M2
SYMBOL res -42640 -32112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL voltage -43952 -32528 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 5V
SYMBOL res -43168 -32496 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 3k
SYMBOL OpAmps\\UniversalOpAmp -42720 -31952 R0
SYMATTR InstName U3
SYMBOL res -43920 -30960 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R21
SYMATTR Value 100
SYMBOL nmos -40384 -32032 R0
SYMATTR InstName M5
SYMBOL res -43568 -30464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R27
SYMATTR Value 100
SYMBOL OpAmps\\UniversalOpAmp -44000 -30800 R0
SYMATTR InstName U7
SYMBOL res -43728 -30336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R26
SYMATTR Value 100
SYMBOL voltage -43952 -32944 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 3.3V
FLAG -43376 -32320 0
FLAG -43088 -32368 0
FLAG -43952 -32640 0
FLAG -43952 -32432 0
FLAG -43904 -32768 +10v
FLAG -43904 -32576 +5v
FLAG -43008 -32368 0
FLAG -42912 -32528 +10v
FLAG -42912 -32464 0
FLAG -42784 -32496 #1_1
FLAG -44256 -31872 0
FLAG -44016 -31936 0
FLAG -43872 -32016 +5v
FLAG -43872 -31952 0
FLAG -43664 -31904 0
FLAG -43616 -31984 #2_1/#2_2_input
FLAG -43040 -31776 0
FLAG -42832 -31776 0
FLAG -42720 -31984 +5v
FLAG -42720 -31920 0
FLAG -42352 -31968 +5v
FLAG -42352 -31904 0
FLAG -42576 -31776 0
FLAG -42192 -31936 #2_3/#2_4_input
FLAG -41920 -32576 0
FLAG -41808 -32928 +5v
FLAG -41808 -32656 0
FLAG -41312 -32592 0
FLAG -43952 -32848 0
FLAG -43856 -32992 +3.3v
FLAG -41040 -32944 +5v
FLAG -41168 -32832 +3.3v
FLAG -41456 -31824 0
FLAG -41312 -32144 +3.3v
FLAG -41120 -32144 +3.3v
FLAG -41312 -31920 0
FLAG -41120 -31920 0
FLAG -40528 -31824 0
FLAG -40336 -31936 0
FLAG -40336 -32176 +3.3v
FLAG -44608 -31296 0
FLAG -44112 -31104 0
FLAG -44000 -31248 0
FLAG -43632 -31232 0
FLAG -43856 -31104 0
FLAG -43472 -31264 5V_output
FLAG -44112 -30624 0
FLAG -44000 -30768 0
FLAG -43632 -30752 0
FLAG -43856 -30624 0
FLAG -43472 -30784 3.3V_output
FLAG -44112 -30144 0
FLAG -44000 -30288 0
FLAG -43632 -30272 0
FLAG -43856 -30144 0
FLAG -43472 -30304 .potential.10v_output
FLAG -43504 -31264 +5v__
FLAG -44592 -31520 +10v__
FLAG -43632 -30336 +10v__
FLAG -44000 -30352 +10v__
FLAG -44000 -31312 +10v__
FLAG -43632 -31296 +10v__
FLAG -44000 -30832 +10v__
FLAG -43632 -30816 +10v__
TEXT -44984 -30096 Left 2 !.tran 0 10 0 0.1
TEXT -41728 -32672 Left 2 ;3.3v to 5v Design 1
TEXT -41064 -32680 Left 2 ;3.3v to 5v Design 2
TEXT -41768 -32496 Left 2 ;Both designs require a large resistor, Design 1 is inverting, Design 2 is not.
TEXT -41544 -31736 Left 2 ;5v to 3.3v - High component count but non inverting
TEXT -40664 -31728 Left 2 ;5v to 3.3v - Only one mosfet but inverting (I think we should use this)