Version 4
SHEET 1 1728 1024
WIRE -2512 -688 -2512 -704
WIRE -2384 -688 -2512 -688
WIRE -2512 -672 -2512 -688
WIRE -2384 -672 -2384 -688
WIRE -2256 -656 -2256 -672
WIRE -2256 -560 -2256 -576
WIRE -2224 -560 -2256 -560
WIRE -2512 -544 -2512 -592
WIRE -2480 -544 -2512 -544
WIRE -2256 -544 -2256 -560
WIRE -2512 -528 -2512 -544
WIRE -2256 -448 -2256 -464
WIRE -1616 -416 -1712 -416
WIRE -1584 -416 -1616 -416
WIRE -2512 -400 -2512 -448
WIRE -2384 -400 -2384 -416
WIRE -2384 -400 -2512 -400
WIRE -1616 -400 -1616 -416
WIRE -2512 -384 -2512 -400
WIRE -2400 -304 -2432 -304
WIRE -2288 -304 -2320 -304
WIRE -2224 -304 -2288 -304
WIRE -2096 -304 -2144 -304
WIRE -2016 -304 -2096 -304
WIRE -1920 -304 -1952 -304
WIRE -1616 -304 -1616 -320
WIRE -1552 -304 -1616 -304
WIRE -1616 -272 -1616 -304
WIRE -2288 -256 -2288 -304
WIRE -2144 -256 -2288 -256
WIRE -2144 -240 -2144 -256
WIRE -2096 -240 -2096 -304
WIRE -1920 -224 -1920 -304
WIRE -1680 -224 -1920 -224
WIRE -2288 -176 -2288 -256
WIRE -2272 -176 -2288 -176
WIRE -2144 -160 -2144 -176
WIRE -2144 -160 -2208 -160
WIRE -2096 -160 -2096 -176
WIRE -2096 -160 -2144 -160
WIRE -1616 -160 -1616 -176
WIRE -1584 -160 -1616 -160
WIRE -2272 -144 -2288 -144
WIRE -2288 -112 -2288 -144
WIRE -2224 -64 -2288 -64
WIRE -2096 -64 -2144 -64
WIRE -2016 -64 -2096 -64
WIRE -1920 -64 -1952 -64
WIRE -1584 -64 -1616 -64
WIRE -1616 -48 -1616 -64
WIRE -2288 -16 -2288 -64
WIRE -2144 -16 -2288 -16
WIRE -2144 0 -2144 -16
WIRE -2096 0 -2096 -64
WIRE -1920 0 -1920 -64
WIRE -1888 0 -1920 0
WIRE -1776 0 -1776 -16
WIRE -1776 0 -1808 0
WIRE -1680 0 -1776 0
WIRE -2432 64 -2432 -304
WIRE -2400 64 -2432 64
WIRE -2288 64 -2288 -16
WIRE -2288 64 -2320 64
WIRE -2272 64 -2288 64
WIRE -1776 64 -1776 0
WIRE -2144 80 -2144 64
WIRE -2144 80 -2208 80
WIRE -2096 80 -2096 64
WIRE -2096 80 -2144 80
WIRE -1616 80 -1616 48
WIRE -1552 80 -1616 80
WIRE -2272 96 -2288 96
WIRE -1616 96 -1616 80
WIRE -2432 112 -2432 64
WIRE -2288 128 -2288 96
WIRE -1776 192 -1776 144
WIRE -1616 192 -1616 176
WIRE -1616 192 -1776 192
WIRE -1584 192 -1616 192
WIRE -2432 208 -2432 192
FLAG -2224 -560 0
FLAG -2256 -672 +12V
FLAG -2256 -448 -12V
FLAG -2432 208 0
FLAG -2240 112 -12V
FLAG -2240 48 +12V
FLAG -2288 128 0
FLAG -2240 -128 -12V
FLAG -2240 -192 +12V
FLAG -2288 -112 0
FLAG -1552 80 in-n
FLAG -2480 -544 0
FLAG -2512 -704 +60V
FLAG -2512 -384 -60V
FLAG -1584 -416 +60V
FLAG -1584 192 -60V
FLAG -1552 -304 in-p
FLAG -1584 -64 -48V
FLAG -2384 -496 -48V
FLAG -1584 -160 +48V
FLAG -2384 -592 +48V
SYMBOL voltage -2256 -560 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -45 95 Left 2
WINDOW 0 -48 23 Left 2
SYMATTR Value 12
SYMATTR InstName V2
SYMBOL voltage -2256 -672 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -47 93 Left 2
WINDOW 0 -48 22 Left 2
SYMATTR Value 12
SYMATTR InstName V6
SYMBOL voltage -2432 96 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -50 151 Left 2
WINDOW 0 -48 22 Left 2
SYMATTR Value SINE(0 1.2 1k)
SYMATTR InstName V7
SYMBOL Misc\\EuropeanResistor -2416 80 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R3
SYMATTR Value 33k
SYMBOL diode -2128 0 M0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL Opamps\\OP27 -2240 16 R0
SYMATTR InstName U1
SYMBOL Misc\\EuropeanResistor -2416 -288 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 33k
SYMBOL diode -2112 64 M180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D3
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -2240 -48 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R4
SYMATTR Value 33k
SYMBOL diode -2160 -176 M180
WINDOW 0 -31 55 Left 2
WINDOW 3 -12 -39 Left 2
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL Opamps\\OP27 -2240 -224 R0
SYMATTR InstName U3
SYMBOL diode -2080 -240 M0
WINDOW 0 -19 -8 Left 2
WINDOW 3 -35 105 Left 2
SYMATTR InstName D5
SYMATTR Value 1N4148
SYMBOL Misc\\EuropeanResistor -2240 -288 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 33k
SYMBOL npn -1680 -48 R0
WINDOW 0 -16 18 Left 2
WINDOW 3 -45 78 Left 2
SYMATTR InstName Q1
SYMATTR Value BC546B
SYMBOL pnp -1680 -176 M180
WINDOW 0 -20 69 Left 2
WINDOW 3 -47 25 Left 2
SYMATTR InstName Q2
SYMATTR Value BC556B
SYMBOL cap -1952 -320 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL cap -2016 -80 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 100n
SYMBOL Misc\\EuropeanResistor -1600 -416 M0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL Misc\\EuropeanResistor -1600 80 M0
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL voltage -2512 -544 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -45 95 Left 2
WINDOW 0 -48 23 Left 2
SYMATTR Value 60
SYMATTR InstName V1
SYMBOL voltage -2512 -688 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -47 93 Left 2
WINDOW 0 -48 22 Left 2
SYMATTR Value 60
SYMATTR InstName V3
SYMBOL Misc\\EuropeanResistor -1904 16 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL voltage -2384 -512 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -45 95 Left 2
WINDOW 0 -48 23 Left 2
SYMATTR Value 12
SYMATTR InstName V4
SYMBOL voltage -2384 -688 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 -45 95 Left 2
WINDOW 0 -48 23 Left 2
SYMATTR Value 12
SYMATTR InstName V5
TEXT -2144 400 Left 2 !.lib LM358.lib
TEXT -2144 376 Left 2 !.opt plotwinsize=0
TEXT -1680 352 Left 2 !.tran 0 5m 0 .1m
TEXT -1688 320 Left 2 ;.param Uin 1.44
TEXT -2152 328 Left 2 ;.step param Utol 0 2 1
TEXT -1720 424 Left 2 ;.step param Utol 0 2 .2\n.temp 15 75
TEXT -1984 352 Left 2 ;.param Uin 0\n.step param Utol 0 2 .2\n.step param R2 list .42 .47 .52\n.temp 15 75
TEXT -2128 -656 Left 2 ;http://www.planetanalog.com/document.asp?doc_id=528005