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lichen-community-systems
Hardware designs for eurorack synthesizer modules by Lichen Community Systems
| Reference | Value | Description |
|---|---|---|
| IC1,IC2 | LD1117-3.3V-SOT223 | 3.3V Voltage Regulator, SOT-223-3, Imax=0.8A, VinMax=15V, Vdrop=1V |
| IC3 | LD1117-5.0V-SOT223 | 3.3V Voltage Regulator, SOT-223-3, Imax=0.8A, VinMax=15V, Vdrop=1V |
| Q1 | MMBT3904 | 0.2A Ic, 40V Vce, Small Signal NPN Transistor, SOT-23 |
| U1 | PGA2350 | |
| U2 | TL072 | Dual Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8 |
| U3 | MCP6004 |
| Low-Power, Quad-Operational Amplifiers, TSSOP-14 |
| U4 | LM4040-10 | 10V Precision Micropower Shunt Voltage Reference, SOT-23 |
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| U5 | CD4051B | CMOS single 8-channel analog multiplexer demultiplexer, TSSOP-16/DIP-16/SOIC-16 |
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| U6,U7 | MCP6002 | Dual, 1 Mhz, low-power, single supply, rail-to-rail, operational amplifier |
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| U8 | DAC8565 | 16-bit quad-channel voltage output DAC with 2.5V internal reference |
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| U9 | AK4558 | Asahi-Kasei stereo audio codec |
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| U10 | PCM5102A | 2.1 VRMS, 112dB Audio Stereo DAC with PLL and 32-bit, 384kHz PCM Interface, TSSOP-20 |
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| U11 | MCP4728 | 12-bit digital to analog converter, quad output, 2.048V internal reference, integrated EEPROM, I2C interface |
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| U12 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
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| C1,C9,C19,C20,C22,C27 | 100nF_0603_16V | 16V 100nF X7R ±10% 0603 MLCC,50V 100nF X7R ±10% 0603 MLCC |
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| C2,C3,C8 | 10uF_0805_25V | 16V 10uF X5R ±10% 0603 MLCC,50V 10uF X5R ±10% 0805 MLCC SMD |
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| C4,C10,C18,C21,C23,C26 | 10uF_0603_25V | 16V 10uF X5R ±10% 0603 MLCC |
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| C5,C7 | 100nF_0603_25V | 50V 100nF X7R ±10% 0603 MLCC |
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| C6,C11-C15 | 1nF_0603_16V | 25V 1nF C0G ±5% 0603 MLCC |
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| C16,C24,C25 | 2.2nF_0603_16V | 16V 2.2nF X7R 0603 MLCC,25V 2.2uF X5R ±10% 0603 MLCC |
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| C17 | 2.2uF_0603_16V | 25V 2.2uF X5R ±10% 0603 MLCC |
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| C28,C29 | 100pF_0603_50V | 100pF, Min. 50V 10%, NP0 |
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| D1,D2 | Schottky | Schottky diode |
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| D3 | 1N5819WS | 40V 600mV@1A 1A SOD-323 Schottky Barrier Diodes, SOD-323 |
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| D4 | 1N4148WT | 75V 0.15A Fast switching Diode, SOD-523 |
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| D5 | LED | Light emitting diode |
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| J1,J3-J11,J13 | Eurorack_Mono_Jack | Eurorack vertical jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) |
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| J2 | Eurorack_Power | Shrouded, keyed, Eurorack power header, 02x05, 2.54mm spacing |
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| J12 | USB C/USB 2.0 | USB 2.0-only Type-C Receptacle connector |
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| L1,L2 | FerriteBead_0603_2A | 45mΩ ±25% 220Ω@100MHz 0805 Ferrite Beads ROHS |
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| R1,R7,R10,R13,R16,R24,R30 | 33k_0603 | 33K, 1%, 1/10W, 0603 |
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| R2,R6,R9,R12,R15,R18,R20,R21,R32,R34 | 100k_0603 | 100K, 1%, 1/10W, 0603 |
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| R3,R5,R8,R11,R14,R17 | 200k_0603 | 200K, 1%, 1/10W, 0603 |
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| R4,R25,R26 | 470R_0603 | 470R, 1%, 1/10W, 0603 |
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| R19 | 13k_0603 | 33K, 1%, 1/10W, 0603 |
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| R22,R23 | 5k1_0603 | 75R, 1%, 1/10W, 0603 |
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| R27,R31 | 156k_0603 | 56K, 1%, 1/10W, 0603 |
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| R28,R29,R35,R42 | 1k_0603 | 1K, 1%, 1/10W, 0603 |
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| R33 | 10k_0603 | 10K, 1%, 1/10W, 0603 |
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| R36,R41 | 100R_0603 | 100Ω, 1%, 1/10W, 0603 |
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| R37,R39 | 120k_0603 | 120K, 1%, 1/10W, 0603 |
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| R38,R40 | 62k_0603 | 62K, 1%, 1/10W, 0603 |
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| RV1-RV6 | Eurorack_Pot | Potentiometer, Eurorack, mini pot |
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| SW1 | TL1105SPF250Q | Double Pole Single Throw (DPST) Switch |
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| SW3 | Toggle_SPDT_SubMini_2pos | SPDT, On/On, SubMini toggle 2-position |
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