Version 4 SHEET 1 2580 932 WIRE 304 32 304 0 WIRE 416 32 416 0 WIRE 560 32 560 16 WIRE 688 32 688 16 WIRE -32 64 -48 64 WIRE 192 64 48 64 WIRE 304 144 304 112 WIRE 416 144 416 112 WIRE 560 144 560 112 WIRE 688 144 688 112 WIRE -32 192 -48 192 WIRE 160 192 48 192 WIRE 192 192 192 64 WIRE 224 192 192 192 WIRE 608 192 512 192 WIRE 816 192 608 192 WIRE 832 192 816 192 WIRE 608 208 608 192 WIRE 160 256 160 192 WIRE 224 256 160 256 WIRE 704 272 704 240 WIRE 608 288 608 272 WIRE 608 288 512 288 WIRE 672 288 608 288 WIRE 832 304 832 192 WIRE 832 304 736 304 WIRE -32 320 -48 320 WIRE 224 320 48 320 WIRE 672 320 608 320 WIRE 704 368 704 336 WIRE 224 384 176 384 WIRE 608 384 608 320 WIRE 608 384 512 384 WIRE 368 432 368 416 WIRE -32 448 -48 448 WIRE 176 448 176 384 WIRE 176 448 48 448 FLAG 368 432 0 FLAG -48 320 0 FLAG 688 144 0 FLAG 688 16 +V FLAG 560 144 0 FLAG 560 16 -V FLAG 304 0 0 FLAG 416 0 0 FLAG -48 192 0 FLAG -48 64 0 FLAG -48 448 0 FLAG 704 240 +V FLAG 704 368 -V FLAG 816 192 OUT SYMBOL opamps\\LT1678 704 304 R0 SYMATTR InstName U2 SYMBOL voltage 688 16 R0 SYMATTR InstName V2 SYMATTR Value 5 SYMBOL voltage 560 16 R0 SYMATTR InstName V3 SYMATTR Value -5 SYMBOL voltage 304 128 M180 WINDOW 0 24 96 Left 2 WINDOW 3 24 16 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value 5 SYMBOL voltage 416 128 M180 WINDOW 0 24 96 Left 2 WINDOW 3 24 16 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V5 SYMATTR Value 2.5 SYMBOL cap 592 208 R0 SYMATTR InstName C1 SYMATTR Value 5p SYMBOL voltage 64 64 R90 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -49 44 VRight 2 WINDOW 3 46 -122 VRight 2 SYMATTR InstName V1 SYMATTR Value PWL(0 3.3 1.2u 3.3 +2n 0 1.51u 0 +2n 3.3) SYMBOL voltage 64 192 R90 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -49 44 VRight 2 WINDOW 3 46 -89 VRight 2 SYMATTR InstName V6 SYMATTR Value PULSE(0 3.3 0 0.1n 0.1n 9.9n 20n) SYMBOL voltage 64 320 R90 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -49 44 VRight 2 WINDOW 3 46 -99 VRight 2 SYMATTR InstName V7 SYMATTR Value PULSE(0 3.3 1.296u 0.1n 0.1n 19.8n 40n) SYMBOL voltage 64 448 R90 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -49 44 VRight 2 WINDOW 3 46 -99 VRight 2 SYMATTR InstName V8 SYMATTR Value PWL(0 3.3 2.6u 3.3 +2n 0 +30n 0 +2n 3.3) SYMBOL LTC2642-16 368 288 R0 SYMATTR InstName U3 TEXT 576 464 Left 2 !.tran 3.5u