TEXT 1664 240 Left 4 Manchester Reader/Writer G888 TEXT 1664 368 Left 4 B-CS-G888-0-1 TEXT 2144 368 Left 4 B TEXT 1440 -704 Left 4 MC1709 cross to LM709 or UA709. TEXT 1440 -688 Left 4 LM709 available from Mouser. TEXT 1440 -672 Left 4 Also crosses to NTE909. TEXT 1440 -656 Left 4 NTE909 also available from Mouser. TEXT 1807 -704 Left 4 Looks like LM709 replaced by LM301. TEXT 1807 -688 Left 4 LM301 available at JameCo. TEXT 1807 -672 Left 4 MM1008 is 2N3444? TEXT 1807 -640 Left 4 MPS6534 is 2N4403? TEXT 1200 -704 Left 4 D670 is 1N3653. TEXT 1807 -656 Left 4 2N3444 and 2N3503 cross to NTE128. TEXT 1200 -688 Left 4 1N3653 crosses to NTE177. TEXT 1200 -656 Left 4 1N4151 crosses to NTE177. TEXT 976 -704 Left 4 1N645 crosses to NTE 116. TEXT 976 -688 Left 4 1N4004 crosses to NTE 116. TEXT 1200 -672 Left 4 1N3606 crosses to NTE177. 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InstName R13 SYMATTR Value 4.7K SYMBOL R-US 1840 -544 MR90 SYMATTR InstName R12 SYMATTR Value 470K FLAG 1840 -416 GND FLAG 1776 -512 V+ SYMBOL C-US 1456 272 R0 SYMATTR InstName C14 SYMATTR Value .01uf SYMBOL 7400 2032 -480 R0 SYMATTR InstName E3A SYMATTR Value 74N00 SYMBOL 7400 2032 -352 R0 SYMATTR InstName E3B SYMATTR Value 74N00 SYMBOL 7400 1952 -16 MR270 SYMATTR InstName E3C SYMATTR Value 74N00 SYMBOL 7400 880 -16 R270 SYMATTR InstName E3D SYMATTR Value 74N00 SYMBOL PWRN 1360 288 R0 SYMATTR InstName E3P SYMATTR Value 74N00 FLAG 1360 224 V+ FLAG 1360 352 GND SYMBOL R-US 1888 -528 MR90 SYMATTR InstName R14 SYMATTR Value 1K FLAG 1888 -560 V+ SYMBOL R-US 1888 -464 MR90 SYMATTR InstName R15 SYMATTR Value 3K FLAG 1888 -432 GND SYMBOL C-US 1408 112 R0 SYMATTR InstName C11 SYMATTR Value .01uf SYMBOL C-US 1552 -16 R90 SYMATTR InstName C13 SYMATTR Value 100pF SYMBOL C-US 1232 -16 R90 SYMATTR InstName C12 SYMATTR Value 100pF FLAG 1408 144 GND FLAG 1408 -48 V+ SYMBOL R-US 1040 32 MR0 SYMATTR 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672 -48 U2 IOPIN 672 -48 U2 BiDir SYMBOL EDGE-RIGHT 688 -144 MR180 SYMATTR InstName U$1R2 SYMATTR Value 1u FLAG 672 -144 R2 IOPIN 672 -144 R2 BiDir SYMBOL EDGE-RIGHT 688 -176 MR180 SYMATTR InstName U$1P2 SYMATTR Value 1u FLAG 672 -176 P2 IOPIN 672 -176 P2 BiDir SYMBOL EDGE-RIGHT 688 -208 MR180 SYMATTR InstName U$1N2 SYMATTR Value 1u FLAG 672 -208 N2 IOPIN 672 -208 N2 BiDir SYMBOL EDGE-RIGHT 688 -240 MR180 SYMATTR InstName U$1M2 SYMATTR Value 1u FLAG 672 -240 M2 IOPIN 672 -240 M2 BiDir SYMBOL EDGE-RIGHT 688 -272 MR180 SYMATTR InstName U$1L2 SYMATTR Value 1u FLAG 672 -272 L2 IOPIN 672 -272 L2 BiDir SYMBOL EDGE-RIGHT 688 -304 MR180 SYMATTR InstName U$1K2 SYMATTR Value 1u FLAG 672 -304 K2 IOPIN 672 -304 K2 BiDir SYMBOL EDGE-RIGHT 688 -336 MR180 SYMATTR InstName U$1J2 SYMATTR Value 1u FLAG 672 -336 J2 IOPIN 672 -336 J2 BiDir SYMBOL EDGE-RIGHT 688 -368 MR180 SYMATTR InstName U$1H2 SYMATTR Value 1u FLAG 672 -368 H2 IOPIN 672 -368 H2 BiDir SYMBOL EDGE-RIGHT 688 -432 MR180 SYMATTR InstName 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