Version 4
SHEET 1 2116 840
WIRE 368 -128 256 -128
WIRE 464 -128 496 -144
WIRE 464 -128 368 -128
WIRE 496 -128 464 -128
WIRE 1344 -128 496 -128
WIRE 496 -112 496 -128
WIRE -176 -80 -176 -112
WIRE 48 -80 48 -112
WIRE 1344 -32 1344 -128
WIRE -176 16 -176 0
WIRE 48 16 48 0
WIRE 496 16 496 -32
WIRE 1120 16 496 16
WIRE 1264 16 1120 16
WIRE 496 48 496 16
WIRE 1120 64 1120 16
WIRE -96 96 -208 96
WIRE 16 96 -32 96
WIRE 176 96 16 96
WIRE 288 96 256 96
WIRE 368 96 352 96
WIRE 416 96 368 96
WIRE 1520 96 1408 96
WIRE 1616 96 1520 96
WIRE 1696 96 1616 96
WIRE 1824 96 1696 96
WIRE 1696 144 1696 96
WIRE 1120 160 1120 128
WIRE 496 176 496 144
WIRE 1344 208 1344 64
WIRE 1408 208 1408 96
WIRE 1408 208 1344 208
WIRE -640 224 -960 224
WIRE -464 224 -448 208
WIRE -464 224 -640 224
WIRE -208 224 -208 96
WIRE -208 224 -464 224
WIRE 1696 256 1696 224
WIRE -208 272 -208 224
WIRE -112 272 -208 272
WIRE 16 272 16 96
WIRE 16 272 -32 272
WIRE 80 272 16 272
WIRE 368 304 368 96
WIRE 368 304 352 304
WIRE 1344 320 1344 208
WIRE 80 336 16 336
WIRE 1120 336 1120 240
WIRE 1296 336 1120 336
WIRE -960 352 -960 224
WIRE 1120 352 1120 336
WIRE 608 416 608 368
WIRE 832 416 608 416
WIRE 1072 432 896 432
WIRE 832 448 784 448
WIRE 1616 464 1616 96
WIRE 16 480 16 336
WIRE 176 480 16 480
WIRE 240 480 176 480
WIRE 400 480 320 480
WIRE 608 480 608 416
WIRE 16 496 16 480
WIRE 1520 496 1520 96
WIRE 784 512 784 448
WIRE 1120 512 1120 448
WIRE 1120 512 784 512
WIRE 1120 528 1120 512
WIRE 176 560 176 480
WIRE 256 560 176 560
WIRE 400 560 400 480
WIRE 400 560 320 560
WIRE -960 576 -960 432
WIRE 1520 576 1520 560
WIRE 1616 576 1616 544
WIRE 112 624 112 448
WIRE 112 624 -432 624
WIRE 496 624 496 256
WIRE 496 624 112 624
WIRE 608 624 608 544
WIRE 608 624 496 624
WIRE 1120 624 1120 608
WIRE 1120 624 608 624
WIRE 1344 624 1344 416
WIRE 1344 624 1120 624
WIRE 400 656 400 560
WIRE 1408 656 1408 208
WIRE 1408 656 400 656
FLAG -960 576 0
FLAG 16 576 0
FLAG 48 -112 UDD
FLAG 48 16 0
FLAG 112 160 UDD
FLAG 1824 96 Ua
FLAG -176 -112 USS
FLAG -176 16 0
FLAG -432 624 USS
FLAG 1616 576 0
FLAG 1520 576 0
FLAG 608 288 0
FLAG 864 400 USS
FLAG 864 464 UDD
FLAG -640 224 V11
FLAG 1696 256 0
FLAG 368 -128 vext
DATAFLAG -448 208 ""
DATAFLAG 656 576 "I(D3)"
DATAFLAG 496 -144 ""
SYMBOL res 480 -128 R0
SYMATTR InstName R16
SYMATTR Value 27k
SYMBOL res 336 464 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 24 112 VTop 2
SYMATTR InstName R13
SYMATTR Value 810k
SYMBOL res 32 592 R180
WINDOW 0 47 58 Left 2
WINDOW 3 46 25 Left 2
SYMATTR InstName R14
SYMATTR Value 33.5k
SYMBOL voltage 48 -96 R0
WINDOW 123 40 83 Left 2
WINDOW 39 40 55 Left 2
SYMATTR InstName V12
SYMATTR Value 15
SYMBOL cap 320 544 R90
WINDOW 0 6 -22 VBottom 2
WINDOW 3 27 2 VTop 2
SYMATTR InstName Cpara1
SYMATTR Value 1p
SYMBOL voltage -960 336 R0
WINDOW 123 53 117 Left 2
WINDOW 39 24 152 Left 2
WINDOW 0 53 61 Left 2
WINDOW 3 53 89 Left 2
SYMATTR Value2 AC 0.0001
SYMATTR InstName V11
SYMATTR Value 5
SYMBOL Opamps\\LTC2057 240 304 R0
SYMATTR InstName U12
SYMBOL cap 352 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C15
SYMATTR Value 100p
SYMBOL res -16 256 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R19
SYMATTR Value 10k
SYMBOL cap 1504 496 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=0.1
SYMBOL voltage -176 16 R180
WINDOW 123 -161 31 Left 2
WINDOW 39 -161 59 Left 2
SYMATTR InstName V2
SYMATTR Value 15
SYMBOL res 272 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 56k
SYMBOL cap -32 80 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName Cpara2
SYMATTR Value 1p
SYMBOL res 480 160 R0
SYMATTR InstName R4
SYMATTR Value 0.01
SYMBOL res 592 272 R0
WINDOW 0 38 76 Left 2
WINDOW 3 38 38 Left 2
SYMATTR InstName R6
SYMATTR Value 12k
SYMBOL zener 1136 128 R180
WINDOW 0 -42 62 Left 2
WINDOW 3 -118 10 Left 2
SYMATTR InstName D1
SYMATTR Value EDZV8_2B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1104 144 R0
SYMATTR InstName R1
SYMATTR Value 3.3k
SYMBOL diode 592 480 R0
WINDOW 3 41 34 Left 2
SYMATTR Value 1N4148
SYMATTR InstName D3
SYMBOL res 1104 512 R0
SYMATTR InstName R2
SYMATTR Value 5.6K
SYMBOL nmos 1072 352 R0
SYMATTR InstName M1
SYMBOL current 1616 464 R0
WINDOW 123 24 108 Left 2
WINDOW 39 0 0 Left 2
WINDOW 3 24 28 Left 2
SYMATTR Value 0
SYMATTR InstName I1
SYMBOL fqb1p50 1296 416 M180
SYMATTR InstName U1
SYMBOL irf820 1312 16 R0
SYMATTR InstName U3
SYMBOL irf820 464 96 R0
SYMATTR InstName U4
SYMBOL res 1680 128 R0
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL Opamps\\LT1002A 864 496 M180
SYMATTR InstName U2
SYMBOL ps330-1 224 -128 R0
SYMATTR InstName X1
TEXT 1520 -32 Left 2 !;ac dec 100 10 100k
TEXT -976 72 Left 2 ;Im isolierten und geheizten Gehäuse
TEXT -976 128 Left 2 ;LTC1021+Filter fg=0.15Hz+LTC2057 V=1.42+DAC5791
TEXT 1560 64 Left 2 ;0 - 250V DC, 50mA max
TEXT 1520 -128 Left 2 !;step param v list 0 5 10
TEXT 1520 0 Left 2 !.options gmin=1e-10 abstol=1e-10 reltol=0.003
TEXT 400 -152 Left 2 ;265V
TEXT 512 -24 Left 2 ;2W
TEXT 1256 -64 Left 2 ;7W max
TEXT 176 456 Left 2 ;60mW
TEXT 392 24 Left 2 ;800mW
TEXT -984 8 Left 2 ;R14, R13, R19 Digikey Susumu 1% Metallfilm 10ppm/C°
TEXT 1456 432 Left 2 ;Testbelastung 50mA
TEXT 1272 256 Left 2 ;2.5W
TEXT -904 360 Left 2 ;0-10V, 10µV steps
TEXT 1016 576 Left 2 ;100µA
TEXT 640 552 Left 2 ;1.2mA
TEXT -208 504 Left 2 ;31.6K+5k Trimmer
TEXT 1520 -88 Left 2 ;.savebias netzteil-250v-2.bias
TEXT 1520 -72 Left 2 ;.loadbias netzteil-250v-2.bias
TEXT 1520 -16 Left 2 !.tran 500m
LINE Normal 416 48 -992 48 2
LINE Normal 416 352 416 48 2
LINE Normal 1904 64 1904 64 2
LINE Normal -992 592 -992 592 2
LINE Normal -992 48 -992 592 2
LINE Normal -992 48 -992 48 2
LINE Normal -992 608 -992 592 2
LINE Normal 400 608 -992 608 2
LINE Normal 400 608 400 608 2
LINE Normal 400 608 400 608 2