| U1 | LM358 | Low-Power, Dual Operational Amplifiers, DIP-8/SOIC-8/TO-99-8 |
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| U2,U3 | LM741 | Operational Amplifier, DIP-8/TO-99-8 |
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| U4 | LF351N | Wide bandwidth single JFET operational amplifier, DIP-8 |
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| C1,C4,C5,C12,C13 | 1u | Unpolarized capacitor |
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| C2,C6,C8,C11,C14 | 0.1u | Unpolarized capacitor |
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| C3,C7,C9,C10,C15 | 0.01u | Unpolarized capacitor |
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| D1,D2 | LED | Light emitting diode |
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| D3,D4 | 1N4007 | 1000V 1A General Purpose Rectifier Diode, DO-41 |
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| J1-J38,J40-J50,J59-J62 | Conn_01x04_Pin | Generic connector, single row, 01x04, script generated |
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| J39,J66,J67 | Conn_02x04_Counter_Clockwise | Generic connector, double row, 02x04, counter clockwise pin numbering scheme (similar to DIP package numbering), script generated (kicad-library-utils/schlib/autogen/connector/) |
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| J51-J58 | Conn_01x02_Pin | Generic connector, single row, 01x02, script generated |
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| J63 | Screw_Terminal_01x03 | Generic screw terminal, single row, 01x03, script generated (kicad-library-utils/schlib/autogen/connector/) |
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| R1,R5,R12,R13,R21,R26,R27,R29,R31,R33,R40-R44,RV2,RV4,RV5 | 1k | Potentiometer, US symbol,Resistor, US symbol,Trim-potentiometer, US symbol |
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| R2,R6,R11,R14,R22 | 2.2k | Resistor, US symbol |
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| R3,R7,R10,R15,R23 | 4.7k | Resistor, US symbol |
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| R4,R8,R9,R16,R24 | 5.6k |
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