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lichen-community-systems
Hardware designs for eurorack synthesizer modules by Lichen Community Systems
| Reference | Value | Description |
|---|---|---|
| Q1 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| U2 | LM4040-10 | 10V Precision Micropower Shunt Voltage Reference, SOT-23 |
| U3 | CD4051B | CMOS single 8-channel analog multiplexer demultiplexer, TSSOP-16/DIP-16/SOIC-16 |
| U5 | PCM5102A | 2.1 VRMS, 112dB Audio Stereo DAC with PLL and 32-bit, 384kHz PCM Interface, TSSOP-20 |
| U6 | TPS62163DSG | 1A Step-Down Converter with DCS-Control, fixed 5.0V output, 3-17V input voltage, WSON-8 |
| U12 |
| Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| C1,C20 | 100nF_0603_50V | 50V 100nF X7R ±10% 0603 MLCC |
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| C4,C6 | 10uF_0805_25V | 50V 10uF X5R ±10% 0805 MLCC SMD |
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| C5,C18,C23,C25 | 100nF_0603_16V | 50V 100nF X7R ±10% 0603 MLCC,50V 10uF X5R ±10% 0805 MLCC SMD |
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| C7,C17,C24,C26 | 10uF_0603_25V | 10V 10uF X5R ±10% 0603 MLCC,50V 10uF X5R ±10% 0805 MLCC SMD |
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| C8-C13 | 1nF_0603_16V | 25V 1nF C0G ±5% 0603 MLCC |
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| C14 | 22uF_0805_25V | 22uF 25V X5R ±20% 0805 MLCC |
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| C15,C16 | 100pF_0603_50V | 100pF, Min. 50V 10%, NP0 |
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| C19 | 10uF_0603_10V | 10V 10uF X5R ±10% 0603 MLCC |
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| C21 | 2.2uF_0603_16V | 16V 2.2uF X5R ±10% 0603 MLCC |
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| C22,C28 | 2.2nF_0603_16V | 16V 2.2uF X5R ±10% 0603 MLCC,2.2nF 50V X7R ±10% 0603 MLCC |
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| C27 | 2.2nF_0603_50V | 2.2nF 50V X7R ±10% 0603 MLCC |
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| C29 | 10uF_0805_50V | 50V 10uF X5R ±10% 0805 MLCC SMD |
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| D1 | LED | Light emitting diode |
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| D2 | 1N5819WS | 40V 600mV@1A 1A SOD-323 Schottky Barrier Diodes, SOD-323 |
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| D3,D4 | Schottky | Schottky diode |
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| D5 | 1N4148WT | 75V 0.15A Fast switching Diode, SOD-523 |
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| H1 | Conn_01x03_Pin | Generic connector, single row, 01x03, script generated |
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| J1-J7,J9,J10 | Eurorack_Mono_Jack | Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
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| J12 | USB C/USB 2.0 | USB 2.0-only Type-C Receptacle connector |
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| L1 | FerriteBead_0603_2A | 45mΩ ±25% 220Ω@100MHz 0805 Ferrite Beads ROHS |
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| L2 | FerriteBead_0805_220R@100MHz | 45mΩ ±25% 220Ω@100MHz 0805 Ferrite Beads ROHS |
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| L3 | 2.2uH | 1.9A 101mΩ 2.2uH 2.5A AEC-Q200 ±20% 1008 |
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| LDO1 | AZ1117CH2-3.3 | 1A Fixed 3.3V LDO Linear Regulator, 15V Max Input, SOT-223 |
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| MCU1 | PGA2350 |
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| OP1 | MCP6004 | Low-Power, Quad-Operational Amplifiers, TSSOP-14 |
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| OP2 | MCP6002 | Dual, 1 Mhz, low-power, single supply, rail-to-rail, operational amplifier |
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| OP3 | TL072 | Dual Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8 |
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| PWR1 | Eurorack_Power | Shrouded 2x5 10P SMD Header |
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| R1,R8,R34,R35 | 1k_0603 | 1K, 1%, 1/10W, 0603 |
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| R2,R3 | 5k1_0603 | 5.1K, 1%, 1/10W, 0603 |
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| R4,R36,R37 | 470R_0603 | 470R, 1%, 1/10W, 0603 |
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| R5,R6,R10,R12,R14,R16,R22,R24,R25 | 100k_0603 | 100K, 1%, 1/10W, 0603 |
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| R7 | 10k_0603 | 10K, 1%, 1/10W, 0603 |
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| R9,R11,R13,R15,R21,R23 | 200k_0603 | 200K, 1%, 1/10W, 0603 |
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| R17-R20,R27,R28,R30,R31 | 33k_0603 | 33K, 1%, 1/10W, 0603 |
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| R32,R33 | 156k_0603 | 56K, 1%, 1/10W, 0603 |
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| RV1 | B10K | Alpha RD901 Vertical Snap-In Potentiometer |
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| RV2-RV8 | Eurorack_Pot | Alpha RD901 Vertical Snap-In Potentiometer |
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| SW1 | TL1105SPF250Q | Double Pole Single Throw (DPST) Switch |
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| SW2 | SW_Push | Push button switch, generic, two pins |
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