Version 4
SHEET 1 928 1032
WIRE -96 304 -240 304
WIRE 0 304 -16 304
WIRE 16 304 0 304
WIRE 544 304 96 304
WIRE -240 320 -240 304
WIRE -496 400 -496 384
WIRE -384 400 -384 384
WIRE 0 400 0 304
WIRE 48 400 0 400
WIRE 176 400 112 400
WIRE -240 416 -240 400
WIRE 96 464 64 464
WIRE 96 480 96 464
WIRE -496 496 -496 480
WIRE -384 496 -384 480
WIRE 0 512 0 400
WIRE 48 512 0 512
WIRE 176 528 176 400
WIRE 176 528 160 528
WIRE 272 528 176 528
WIRE 48 544 -224 544
WIRE -224 560 -224 544
WIRE 544 560 544 304
WIRE 544 560 384 560
WIRE 96 592 96 576
WIRE 96 592 64 592
WIRE 272 592 272 528
WIRE 464 608 432 608
WIRE 464 624 464 608
WIRE -224 656 -224 640
WIRE 384 656 384 560
WIRE 416 656 384 656
WIRE 544 672 544 560
WIRE 544 672 528 672
WIRE 272 688 272 672
WIRE 416 688 272 688
WIRE 272 704 272 688
WIRE 464 736 464 720
WIRE 464 736 432 736
WIRE 272 800 272 784
FLAG -496 496 0
FLAG -384 496 0
FLAG -224 656 0
FLAG -224 544 DAC_OUT
FLAG 272 528 OUT
FLAG 96 464 +V
FLAG -496 384 +V
FLAG -384 384 -V
FLAG 96 592 -V
FLAG 464 608 +V
FLAG 464 736 -V
FLAG 272 800 0
FLAG -240 416 0
FLAG -240 304 REF
SYMBOL voltage -496 384 R0
WINDOW 123 24 132 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -384 384 R0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage -224 544 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value PULSE(0 2.5 20u 170n 170n 1m 2m)
SYMBOL res 112 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10K
SYMBOL res 0 288 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL LT6020-1 96 528 R0
SYMATTR InstName U1
SYMBOL LT6020-1 464 672 R0
SYMATTR InstName U2
SYMBOL res 256 576 R0
SYMATTR InstName R3
SYMATTR Value 30K
SYMBOL res 256 688 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL cap 112 384 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C1
SYMATTR Value 10p
SYMBOL voltage -240 304 R0
WINDOW 123 24 132 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value 2.5
TEXT 592 784 Left 2 !.tran 200u