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rajeev2705
Welcome to my PCB projects repository! This space is dedicated to documenting my journey in designing, creating, and improving printed circuit boards (PCBs). Here, I share various PCB projects, including schematics, layouts, bill of materials (BOM), and relevant documentation.
| Reference | Value | Description |
|---|---|---|
| Q2 | AO3401A | -4.0A Id, -30V Vds, P-Channel MOSFET, SOT-23 |
| U3 | W5500 | 10/100Mb SPI Ethernet controller with TCP/IP stack, LQFP-48 |
| U4 | ESP32-S3-WROOM-2 | RF Module, 2.4 GHz, Wi-Fi, Bluetooth, BLE, ESP32-S3R8V |
| U5 | USBLC6-2SC6 | Very low capacitance ESD protection diode, 2 data-line, SOT-23-6 |
| U6 | ULN2003 | High Voltage, High Current Darlington Transistor Arrays, SOIC16/SOIC16W/DIP16/TSSOP16 |
| U7 | MAX98357A |
| Mono DAC with amplifier, I2S, PCM, TDM, 32-bit, 96khz, 3.2W, TQFP-16 |
| U8 | TPS563208DDCR |
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| BOOT1,RESET1 | TS-1088-AR02016 |
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| C3,C4 | 18pf | Unpolarized capacitor |
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| C9 | 4.7uf | Unpolarized capacitor |
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| C10,C20 | 10nf | Unpolarized capacitor |
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| C16,C17,C27,C31,C33,C34,C36 | 1uf | Unpolarized capacitor |
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| C18 | 10uf 16V | Polarized capacitor, US symbol |
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| C19 | 1nf 2KV | Unpolarized capacitor |
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| C21,C22 | 6.8nf | Unpolarized capacitor |
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| C24 | 22nf | Unpolarized capacitor |
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| C40-C42 | 22uf | Unpolarized capacitor |
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| FB1 | FerriteBead_Small | Ferrite bead, small symbol |
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| FB2,FB3 | Ferrite Bead 0603 600Ω @100MHz ≥1A | Ferrite bead, small symbol |
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| J2 | RJ45_Hanrun_HR911105A_Horizontal | 1 Port RJ45 Magjack Connector Through Hole 10/100 Base-T, AutoMDIX |
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| J3 | 7 Segment |
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| J5 | MIC |
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| J6 | B4B-PH-K-S |
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| R2,R3,R8-R10,R13-R19,R36,R48 | 10k | Resistor |
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| R4 | 0R | Resistor |
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| R5 | 1M | Resistor |
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| R7 | 3k | Resistor |
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| R11 | 15k | Resistor |
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| R12 | 2k | Resistor |
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| R20 | 12k4 | Resistor |
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| R21,R26 | 330R | Resistor |
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| R22-R25 | 33R | Resistor |
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| R27,R29 | 49.9R | Resistor |
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| R28,R32 | 49.1R | Resistor |
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| R30,R31 | 100R | Resistor |
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| R33,R35,R40-R42 | 22R | Resistor |
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| R34 | 10R | Resistor |
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| R47 | 33k2 | Resistor |
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| SW1-RS1,SW2-RS1 | TestPoint | test point |
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| Y1 | 25MHz |
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