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Version 4
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SHEET 1 4016 2292
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WIRE -32 96 -80 96
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WIRE 96 96 48 96
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WIRE 144 96 96 96
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WIRE 224 96 144 96
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WIRE 288 96 224 96
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WIRE 464 96 368 96
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WIRE 576 96 464 96
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WIRE 976 96 576 96
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WIRE 1264 96 1168 96
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WIRE 1408 96 1328 96
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WIRE 1568 96 1408 96
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WIRE 1696 96 1568 96
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WIRE 1872 96 1760 96
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WIRE 2032 96 1872 96
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WIRE 976 160 976 96
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WIRE 1168 160 1168 96
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WIRE 1408 176 1408 96
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WIRE 1568 176 1568 96
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WIRE 1872 176 1872 96
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WIRE 2032 176 2032 96
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WIRE -80 256 -80 96
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WIRE 144 272 144 96
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WIRE 224 272 224 96
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WIRE 464 272 464 96
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WIRE 576 272 576 96
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WIRE -736 288 -736 240
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WIRE -592 288 -736 288
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WIRE 976 288 976 240
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WIRE 1056 288 976 288
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WIRE 1168 288 1168 240
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WIRE 1408 288 1408 240
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WIRE 1408 288 1168 288
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WIRE 1456 288 1408 288
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WIRE 1568 288 1568 240
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WIRE 1568 288 1520 288
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WIRE 1872 288 1872 240
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WIRE 1872 288 1568 288
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WIRE 1920 288 1872 288
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WIRE 2032 288 2032 240
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WIRE 2032 288 1984 288
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WIRE 2224 288 2032 288
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WIRE 2368 288 2304 288
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WIRE 2720 288 2368 288
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WIRE 1056 336 1056 288
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WIRE 1568 336 1568 288
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WIRE -592 368 -592 288
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WIRE -992 416 -1056 416
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WIRE -736 416 -736 288
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WIRE -736 416 -768 416
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WIRE 1056 448 1056 416
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WIRE 1568 464 1568 416
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WIRE 1616 464 1568 464
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WIRE 1632 464 1616 464
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WIRE 2368 464 2368 288
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WIRE -992 480 -1024 480
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WIRE -592 480 -592 448
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WIRE -592 480 -768 480
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WIRE -480 480 -592 480
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WIRE 976 480 976 288
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WIRE -592 496 -592 480
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WIRE 1568 496 1568 464
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WIRE 2720 496 2720 288
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WIRE -480 512 -480 480
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WIRE -1168 544 -1184 544
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WIRE -992 544 -1168 544
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WIRE -736 544 -768 544
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WIRE -656 544 -736 544
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WIRE 864 560 848 560
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WIRE 928 560 864 560
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WIRE 1568 592 1568 576
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WIRE 1568 592 1472 592
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WIRE -1232 608 -1632 608
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WIRE -1120 608 -1168 608
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WIRE -992 608 -1120 608
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WIRE -704 608 -768 608
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WIRE -656 608 -656 544
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WIRE -592 608 -592 576
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WIRE -592 608 -656 608
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WIRE -480 608 -480 576
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WIRE -480 608 -592 608
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WIRE 880 608 848 608
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WIRE 976 608 976 576
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WIRE 976 608 880 608
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WIRE 1056 608 1056 512
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WIRE 1056 608 976 608
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WIRE 1568 624 1568 592
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WIRE -1632 640 -1632 608
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WIRE -1232 640 -1232 624
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WIRE -704 640 -704 608
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WIRE -592 640 -592 608
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WIRE 976 640 976 608
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WIRE 1472 640 1472 592
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WIRE -1024 672 -1024 480
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WIRE -736 672 -736 544
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WIRE -736 672 -1024 672
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WIRE -1056 736 -1056 416
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WIRE -704 736 -704 704
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WIRE -704 736 -1056 736
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WIRE -592 736 -592 704
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WIRE -592 736 -704 736
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WIRE -1056 752 -1056 736
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WIRE -80 752 -80 336
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WIRE 144 752 144 336
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WIRE 144 752 -80 752
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WIRE 224 752 224 336
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WIRE 224 752 144 752
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WIRE 464 752 464 336
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WIRE 464 752 224 752
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WIRE 576 752 576 336
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WIRE 576 752 464 752
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WIRE 976 752 976 720
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WIRE 976 752 576 752
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WIRE 1168 752 1168 288
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WIRE 1472 752 1472 704
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WIRE 1472 752 1168 752
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WIRE 1568 752 1568 704
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WIRE 1568 752 1472 752
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WIRE 2368 752 2368 528
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WIRE 2368 752 1568 752
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WIRE 2720 752 2720 576
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WIRE 2720 752 2368 752
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WIRE 976 768 976 752
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WIRE 1168 768 1168 752
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WIRE -1632 800 -1632 720
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WIRE -640 976 -640 928
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WIRE -880 1088 -1104 1088
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WIRE -784 1088 -816 1088
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WIRE -640 1088 -640 1056
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WIRE -512 1088 -640 1088
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WIRE -432 1088 -512 1088
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WIRE -400 1088 -432 1088
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WIRE 1872 1104 1872 1024
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WIRE -640 1136 -640 1088
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WIRE -512 1136 -512 1088
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WIRE -1312 1152 -1312 1104
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WIRE 1808 1152 1776 1152
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WIRE -1104 1184 -1104 1088
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WIRE -1056 1184 -1104 1184
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WIRE -880 1184 -976 1184
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WIRE -784 1184 -784 1088
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WIRE -784 1184 -816 1184
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WIRE 608 1200 448 1200
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WIRE 704 1200 688 1200
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WIRE 1408 1232 1392 1232
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WIRE 1472 1232 1408 1232
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WIRE 1680 1232 1568 1232
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WIRE 1776 1232 1776 1152
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WIRE 1776 1232 1760 1232
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WIRE 1872 1232 1872 1200
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WIRE 2000 1232 1872 1232
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WIRE 2128 1232 2080 1232
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WIRE -944 1248 -944 1040
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WIRE 1072 1248 1072 1104
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WIRE -1168 1264 -1216 1264
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WIRE -1104 1264 -1104 1184
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WIRE -1104 1264 -1168 1264
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WIRE -976 1264 -1104 1264
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WIRE 576 1264 576 1056
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WIRE 992 1264 976 1264
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WIRE 1040 1264 992 1264
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WIRE 1872 1264 1872 1232
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WIRE -784 1280 -784 1184
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WIRE -784 1280 -912 1280
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WIRE -640 1280 -640 1200
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WIRE -640 1280 -784 1280
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WIRE 448 1280 448 1200
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WIRE 544 1280 448 1280
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WIRE 1168 1280 1104 1280
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WIRE 1200 1280 1168 1280
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WIRE 1408 1280 1392 1280
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WIRE 1472 1280 1408 1280
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WIRE 2128 1280 2128 1232
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WIRE -1312 1296 -1312 1232
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WIRE -1312 1296 -1424 1296
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WIRE -1168 1296 -1312 1296
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WIRE -1104 1296 -1168 1296
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WIRE -976 1296 -1104 1296
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WIRE 704 1296 704 1200
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WIRE 704 1296 608 1296
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WIRE 1040 1296 704 1296
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WIRE 256 1312 224 1312
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WIRE 384 1312 336 1312
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WIRE 544 1312 384 1312
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WIRE 1776 1312 1776 1232
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WIRE 1808 1312 1776 1312
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WIRE 384 1344 384 1312
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WIRE 448 1344 448 1280
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WIRE -944 1360 -944 1312
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WIRE 1072 1360 1072 1312
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WIRE 1472 1360 1472 1312
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WIRE 576 1376 576 1328
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WIRE -1424 1392 -1424 1296
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WIRE -1312 1392 -1312 1296
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WIRE -624 1408 -768 1408
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WIRE 1872 1424 1872 1360
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WIRE 2128 1424 2128 1344
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WIRE -704 1456 -704 1376
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WIRE 384 1456 384 1424
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WIRE 448 1456 448 1424
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WIRE -768 1472 -768 1408
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WIRE -736 1472 -768 1472
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WIRE -624 1488 -624 1408
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WIRE -624 1488 -672 1488
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WIRE -512 1488 -512 1200
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WIRE -512 1488 -624 1488
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WIRE -1104 1504 -1104 1296
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WIRE -976 1504 -1104 1504
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WIRE -832 1504 -896 1504
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WIRE -736 1504 -832 1504
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WIRE -1424 1520 -1424 1456
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WIRE -1312 1520 -1312 1456
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WIRE -832 1552 -832 1504
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WIRE -704 1552 -704 1520
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WIRE -832 1680 -832 1616
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FLAG 1616 464 vfeed
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FLAG 96 96 vcc
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FLAG 576 1376 0
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FLAG 576 1056 vcc
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FLAG 448 1456 0
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FLAG 224 1312 ifeed
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FLAG 1072 1360 0
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FLAG 1072 1104 vcc
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FLAG 1472 1360 0
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FLAG 1408 1232 vsq
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FLAG 2128 1232 vg
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FLAG -944 1360 0
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FLAG -944 1040 vcc
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FLAG -1168 1264 vfeed
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FLAG 992 1264 verr
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FLAG 1872 1424 0
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FLAG 1872 1024 vcc
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FLAG 2128 1424 0
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FLAG -736 240 vcc
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FLAG -1168 544 vsq
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FLAG 384 1456 0
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FLAG -1312 1520 0
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FLAG -1424 1520 0
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FLAG -1168 1296 vref
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FLAG -640 928 vcc
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FLAG -432 1088 verr
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FLAG -1632 800 0
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FLAG 1168 1280 res
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FLAG 1408 1280 res
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FLAG -1056 752 0
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FLAG -1232 640 0
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FLAG -1120 608 ven
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FLAG -1312 1104 ven
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FLAG 976 768 0
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FLAG 864 560 vg
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FLAG 880 608 ifeed
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FLAG 1168 768 0
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FLAG -832 1680 0
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FLAG -704 1376 vcc
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FLAG -704 1552 0
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FLAG 2368 288 vout
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SYMBOL voltage -80 240 R0
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WINDOW 123 0 0 Left 0
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WINDOW 39 24 124 Left 2
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SYMATTR InstName V1
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SYMATTR Value 4.1
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SYMBOL cap 448 272 R0
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SYMATTR InstName C1
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SYMATTR Value 1<EFBFBD>
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SYMATTR SpiceLine Rser=0.8
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SYMBOL res 704 1184 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R6
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SYMATTR Value {Ra}
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SYMBOL res 432 1328 R0
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SYMATTR InstName R7
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SYMATTR Value {Rb}
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SYMBOL Digital\\srflop 1520 1184 R0
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SYMATTR InstName A2
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SYMATTR SpiceLine Vhigh=5 Vlow=0
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SYMBOL cap -816 1072 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C3
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SYMATTR Value 150p
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SYMBOL cap -816 1168 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C4
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SYMATTR Value 100p
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SYMBOL res -960 1168 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R9
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SYMATTR Value 3.3k
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SYMBOL npn 1808 1104 R0
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SYMATTR InstName Q1
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SYMATTR Value 2N3904
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SYMBOL pnp 1808 1360 M180
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SYMATTR InstName Q2
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SYMATTR Value 2N3906
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SYMBOL res 1776 1216 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R10
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SYMATTR Value 1.8k
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SYMBOL res 2096 1216 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R11
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SYMATTR Value 10
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SYMBOL cap 2112 1280 R0
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SYMATTR InstName C5
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SYMATTR Value 10n
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SYMBOL Misc\\NE555 -880 512 R0
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SYMATTR InstName U4
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SYMBOL cap -720 640 R0
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SYMATTR InstName C6
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SYMATTR Value 1<EFBFBD>
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SYMBOL cap -608 640 R0
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SYMATTR InstName C7
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SYMATTR Value 1.5n
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SYMBOL res -608 480 R0
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SYMATTR InstName R13
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SYMATTR Value 22k
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SYMBOL res -608 352 R0
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SYMATTR InstName R14
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SYMATTR Value 1k
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SYMBOL schottky -496 512 R0
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SYMATTR InstName D4
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SYMATTR Value 1N5817
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SYMATTR Description Diode
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SYMATTR Type diode
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SYMBOL res 352 1296 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R16
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SYMATTR Value {Rb}
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SYMBOL res 400 1440 R180
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WINDOW 0 36 76 Left 2
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WINDOW 3 36 40 Left 2
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SYMATTR InstName R15
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SYMATTR Value {Ra}
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SYMBOL cap 560 272 R0
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SYMATTR InstName C10
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SYMATTR Value 10n
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SYMATTR SpiceLine Rser=10m
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SYMBOL res 64 80 R90
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WINDOW 0 0 56 VBottom 2
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WINDOW 3 32 56 VTop 2
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SYMATTR InstName R17
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SYMATTR Value 30m
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SYMBOL res -1328 1136 R0
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SYMATTR InstName R19
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SYMATTR Value 3.3k
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SYMBOL cap -1440 1392 R0
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SYMATTR InstName C11
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SYMATTR Value 100n
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SYMBOL cap 128 272 R0
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SYMATTR InstName C12
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SYMATTR Value 10<EFBFBD>
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SYMATTR SpiceLine Rser=0.3
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SYMBOL cap 208 272 R0
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SYMATTR InstName C13
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SYMATTR Value 100n
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SYMATTR SpiceLine Rser=10m
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SYMBOL schottky -656 1136 R0
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SYMATTR InstName D5
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SYMATTR Value 1N5817
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SYMATTR Description Diode
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SYMATTR Type diode
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SYMBOL schottky -528 1136 R0
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SYMATTR InstName D6
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|
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SYMATTR Value 1N5817
|
|
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SYMATTR Description Diode
|
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SYMATTR Type diode
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SYMBOL res -656 960 R0
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SYMATTR InstName R18
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SYMATTR Value 10k
|
|
|
SYMBOL res -992 1520 R270
|
|
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WINDOW 0 32 56 VTop 2
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WINDOW 3 0 56 VBottom 2
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SYMATTR InstName R5
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SYMATTR Value 3.3k
|
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SYMBOL voltage -1632 624 R0
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WINDOW 123 0 0 Left 0
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WINDOW 39 0 0 Left 0
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WINDOW 3 24 44 Left 2
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|
SYMATTR Value PWL(0 0 1m 0 1.1m 5)
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SYMATTR InstName V2
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|
|
SYMBOL Digital\\buf1 -1232 544 R0
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SYMATTR InstName A1
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SYMATTR SpiceLine Vhigh=5 Vlow=0
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SYMBOL ind2 960 256 M180
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WINDOW 0 37 71 Left 2
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WINDOW 3 36 32 Left 2
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SYMATTR InstName LP
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SYMATTR Value 7<EFBFBD>
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SYMATTR Type ind
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SYMATTR SpiceLine Rser=0.5
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SYMBOL ind2 1184 144 M0
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SYMATTR InstName LS
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SYMATTR Value 700<EFBFBD>
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SYMATTR Type ind
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SYMATTR SpiceLine Rser=60
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SYMBOL nmos 928 480 R0
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SYMATTR InstName M2
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SYMATTR Value SP8M51_N
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SYMBOL res 960 624 R0
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SYMATTR InstName R1
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SYMATTR Value 10m
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SYMBOL res 1040 320 R0
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SYMATTR InstName R2
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SYMATTR Value 22
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SYMBOL cap 1040 448 R0
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SYMATTR InstName C2
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SYMATTR Value 8.2n
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SYMBOL References\\LT1634-1.25 -1312 1424 R0
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SYMATTR InstName U7
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SYMBOL cap -848 1552 R0
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SYMATTR InstName C8
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SYMATTR Value 100n
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SYMBOL Comparators\\LT1720 1072 1216 R0
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SYMATTR InstName U3
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SYMBOL OpAmps\\UniversalOpAmp2 576 1296 R0
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SYMATTR InstName U5
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SYMBOL OpAmps\\UniversalOpAmp2 -944 1280 R0
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SYMATTR InstName U1
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SYMBOL OpAmps\\UniversalOpAmp2 -704 1488 R0
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SYMATTR InstName U2
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SYMBOL ind 272 112 R270
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WINDOW 0 32 56 VTop 2
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WINDOW 3 5 56 VBottom 2
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SYMATTR InstName L2
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SYMATTR Value 220n
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SYMBOL cap 1328 80 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C16
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SYMATTR Value 1n
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SYMBOL diode 1424 240 R180
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WINDOW 0 24 64 Left 2
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WINDOW 3 24 0 Left 2
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SYMATTR InstName D1
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SYMATTR Value RFN10NS8D
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SYMBOL cap 1520 272 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C17
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SYMATTR Value 1n
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SYMBOL diode 1552 176 R0
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SYMATTR InstName D3
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SYMATTR Value RFN10NS8D
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SYMBOL res 2208 304 R270
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WINDOW 0 32 56 VTop 2
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WINDOW 3 0 56 VBottom 2
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SYMATTR InstName R8
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SYMATTR Value 22
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SYMBOL cap 2352 464 R0
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SYMATTR InstName C18
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SYMATTR Value 10n
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SYMBOL cap 1760 80 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C9
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SYMATTR Value 1n
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SYMBOL diode 1888 240 R180
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WINDOW 0 24 64 Left 2
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WINDOW 3 24 0 Left 2
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SYMATTR InstName D2
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SYMATTR Value RFN10NS8D
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SYMBOL cap 1984 272 R90
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WINDOW 0 0 32 VBottom 2
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WINDOW 3 32 32 VTop 2
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SYMATTR InstName C14
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SYMATTR Value 1n
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SYMBOL diode 2016 176 R0
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SYMATTR InstName D7
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SYMATTR Value RFN10NS8D
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SYMBOL res 1552 320 R0
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SYMATTR InstName R12
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SYMATTR Value 5.6Meg
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SYMBOL res 1552 480 R0
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SYMATTR InstName R21
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SYMATTR Value 33k
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SYMBOL res 1552 608 R0
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SYMATTR InstName R22
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SYMATTR Value 1.5k
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SYMBOL cap 1456 640 R0
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SYMATTR InstName C15
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SYMATTR Value 1n
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SYMBOL current 2720 496 R0
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WINDOW 123 0 0 Left 0
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WINDOW 39 0 0 Left 0
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SYMATTR InstName I1
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SYMATTR Value PULSE(10u 100u 4m 1n 240u 10u 500u 10000)
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TEXT 2328 816 Left 2 !.tran 0 20m 0
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TEXT 136 1488 Left 2 !.param Ra=120k
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TEXT 136 1512 Left 2 !.param Rb=1k
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TEXT 144 1544 Left 2 ;The AP8567 is the quad version
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TEXT 144 1568 Left 2 ;AP8648 for battery-powered and-or low voltage <5V
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TEXT 144 1592 Left 2 ;The OP462 is the better version of the AP8567
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TEXT -1656 1568 Left 2 ;Any 2.5V zener-voltage reference would do
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TEXT -544 1008 Left 2 ;makeshift minimum voltage selector, \nuse a set maximum voltage as a soft start
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TEXT -1312 664 Left 2 ;made with two nors
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TEXT 1000 112 Left 2 !K1 LP LS 0.998
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LINE Normal 1056 256 1056 160
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LINE Normal 1072 256 1072 160
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LINE Normal 1600 624 1536 704
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LINE Normal 1586 631 1600 624
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LINE Normal 1600 624 1586 631 2
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LINE Normal 1597 637 1600 624
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