slew rate limiter

Version 4 SHEET 1 1572 680 WIRE 320 -560 288 -560 WIRE 384 -560 320 -560 WIRE 608 -544 544 -544 WIRE 768 -544 704 -544 WIRE 384 -528 384 -560 WIRE -112 -464 -144 -464 WIRE -96 -464 -112 -464 WIRE 112 -464 80 -464 WIRE 128 -464 112 -464 WIRE -144 -432 -144 -464 WIRE 80 -432 80 -464 WIRE 384 -432 384 -448 WIRE 656 -432 656 -480 WIRE 656 -432 384 -432 WIRE 384 -416 384 -432 WIRE 384 -320 384 -336 WIRE -144 -304 -144 -352 WIRE 80 -304 80 -352 WIRE 544 -288 544 -544 WIRE 608 -288 544 -288 WIRE 768 -288 768 -544 WIRE 768 -288 704 -288 WIRE 848 -288 768 -288 WIRE 896 -288 848 -288 WIRE 320 -272 288 -272 WIRE 384 -272 320 -272 WIRE 384 -256 384 -272 WIRE 48 -160 -16 -160 WIRE 80 -160 48 -160 WIRE 384 -160 384 -176 WIRE 656 -160 656 -224 WIRE 656 -160 384 -160 WIRE 384 -144 384 -160 WIRE -16 -96 -16 -160 WIRE -64 -80 -144 -80 WIRE 384 -48 384 -64 WIRE -64 -32 -80 -32 WIRE -80 16 -80 -32 WIRE -16 16 -16 -16 WIRE -16 16 -80 16 WIRE -16 48 -16 16 WIRE 160 48 80 48 WIRE 272 48 240 48 WIRE 304 48 272 48 WIRE 544 64 544 -288 WIRE 624 64 544 64 WIRE 768 64 768 -288 WIRE 768 64 704 64 WIRE 1184 80 1136 80 WIRE 1312 80 1264 80 WIRE 1424 80 1376 80 WIRE -144 160 -144 -80 WIRE -48 160 -144 160 WIRE 80 160 80 48 WIRE 80 160 32 160 WIRE 160 160 80 160 WIRE -144 176 -144 160 WIRE 304 176 304 48 WIRE 304 176 224 176 WIRE 416 176 304 176 WIRE 544 176 544 64 WIRE 544 176 496 176 WIRE 624 176 544 176 WIRE 160 192 128 192 WIRE 768 192 768 64 WIRE 768 192 688 192 WIRE 848 192 768 192 WIRE 1008 192 928 192 WIRE 1136 192 1136 80 WIRE 1136 192 1088 192 WIRE 1216 192 1136 192 WIRE 624 208 592 208 WIRE 1424 208 1424 80 WIRE 1424 208 1280 208 WIRE 1504 208 1424 208 WIRE 1568 208 1504 208 WIRE 128 224 128 192 WIRE 1216 224 1184 224 WIRE 592 240 592 208 WIRE 1184 256 1184 224 WIRE -144 288 -144 256 WIRE 80 384 80 160 WIRE 400 384 80 384 WIRE 1424 384 1424 208 WIRE 1424 384 480 384 FLAG 80 -304 0 FLAG -144 -304 0 FLAG 112 -464 V+ FLAG -112 -464 V- FLAG 192 144 V+ FLAG 192 208 V- FLAG 128 224 0 FLAG -144 288 0 FLAG 656 160 V+ FLAG 656 224 V- FLAG 592 240 0 FLAG 1248 176 V+ FLAG 1248 240 V- FLAG 1184 256 0 FLAG -16 48 0 FLAG 48 -160 IN FLAG 1504 208 OUT FLAG 272 48 ERR FLAG 384 -320 0 FLAG 384 -48 0 FLAG 320 -560 V+ FLAG 320 -272 V- FLAG 848 -288 CLIP SYMBOL Opamps\\UniversalOpamp 192 176 R0 WINDOW 0 33 -38 Left 2 SYMATTR InstName U1 SYMBOL voltage 80 -448 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 43 44 Left 2 WINDOW 3 46 78 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL voltage -144 -448 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 60 36 Left 2 WINDOW 3 61 72 Left 2 SYMATTR InstName V2 SYMATTR Value -5 SYMBOL res 48 144 R90 WINDOW 0 73 61 VBottom 2 WINDOW 3 84 61 VTop 2 SYMATTR InstName R1 SYMATTR Value 1K SYMBOL res 256 32 R90 WINDOW 0 -52 58 VBottom 2 WINDOW 3 -46 59 VTop 2 SYMATTR InstName R2 SYMATTR Value 1K SYMBOL voltage -144 160 R0 WINDOW 3 -153 194 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 WINDOW 0 -97 57 Left 2 SYMATTR Value PULSE(0 -3 100u 1u 1u 1000u) SYMATTR InstName V3 SYMBOL Opamps\\UniversalOpamp 656 192 R0 WINDOW 0 30 -39 Left 2 SYMATTR InstName U2 SYMBOL res 512 160 R90 WINDOW 0 -57 66 VBottom 2 WINDOW 3 -49 67 VTop 2 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL res 720 48 R90 WINDOW 0 -49 60 VBottom 2 WINDOW 3 -43 58 VTop 2 SYMATTR InstName R4 SYMATTR Value 20K SYMBOL Opamps\\UniversalOpamp 1248 208 R0 WINDOW 0 42 -36 Left 2 SYMATTR InstName U3 SYMBOL res 1280 64 R90 WINDOW 0 -50 57 VBottom 2 WINDOW 3 -38 58 VTop 2 SYMATTR InstName R5 SYMATTR Value 50 SYMBOL res 944 176 R90 WINDOW 0 -59 56 VBottom 2 WINDOW 3 -48 58 VTop 2 SYMATTR InstName R6 SYMATTR Value 10K SYMBOL cap 1376 64 R90 WINDOW 0 -51 30 VBottom 2 WINDOW 3 -41 30 VTop 2 SYMATTR InstName C1 SYMATTR Value 22n SYMBOL res 496 368 R90 WINDOW 0 -57 64 VBottom 2 WINDOW 3 -51 63 VTop 2 SYMATTR InstName R7 SYMATTR Value 1K SYMBOL e -16 -112 R0 WINDOW 0 64 43 Left 2 WINDOW 3 63 77 Left 2 SYMATTR InstName E1 SYMATTR Value -1 SYMBOL pnp 608 -480 R270 WINDOW 0 148 34 VRight 2 WINDOW 3 108 8 VRight 2 SYMATTR InstName Q1 SYMATTR Value 2N4403 SYMBOL npn 608 -224 R270 WINDOW 0 130 35 VRight 2 WINDOW 3 93 8 VRight 2 SYMATTR InstName Q2 SYMATTR Value 2N4401 SYMBOL res 368 -544 R0 WINDOW 0 65 30 Left 2 WINDOW 3 64 62 Left 2 SYMATTR InstName R8 SYMATTR Value 1K SYMBOL res 368 -432 R0 WINDOW 0 67 43 Left 2 WINDOW 3 68 76 Left 2 SYMATTR InstName R9 SYMATTR Value 1K SYMBOL res 368 -272 R0 WINDOW 0 52 38 Left 2 WINDOW 3 58 73 Left 2 SYMATTR InstName R10 SYMATTR Value 1K SYMBOL res 368 -160 R0 WINDOW 0 58 43 Left 2 WINDOW 3 66 76 Left 2 SYMATTR InstName R11 SYMATTR Value 1K SYMBOL res 1104 176 R90 WINDOW 0 -59 56 VBottom 2 WINDOW 3 -48 58 VTop 2 SYMATTR InstName R12 SYMATTR Value 1.7K TEXT 1032 -416 Left 2 !.tran 0.005 TEXT 944 -208 Left 2 ;L350 rev B SLEW LIMITER TEXT 960 -152 Left 2 ;40-200 us SPEC RANGE TEXT 992 -96 Left 2 ;JL Nov 20 2012 TEXT 824 264 Left 2 ;0R == 35us TEXT 816 296 Left 2 ;10K == 250 us TEXT 840 232 Left 2 ;10K POT