Bill of Materials
Here’s a complete bill of materials for this design. The capacitors should be X5R or X7R. Where tolerance is important I’ve noted it in the description.
| Identifiers | Value | Quantity | Footprint | Description |
|---|---|---|---|---|
| C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C19, C20, C22, C23, C24, C28, C33, C34, C35, C37, C40, C44, C47, C48, C49, C50, C51, C52, C53, C54 | 100n | 32 | 0603 | Ceramic capacitor |
| C13, C14, C15, C16, C17, C18, C41, C45 | 1µ | 8 | 0603 | Ceramic capacitor |
| C21, C36, C39, C43 | 10n | 4 | 0603 | Ceramic capacitor |
| C25 | 10p 1% | 1 | 0603 | Ceramic capacitor |
| C26, C27 | 0.47µ | 2 | 0603 | Ceramic capacitor |
| C29 | 0.237µ | 1 | 0603 | Ceramic capacitor |
| C30 | 3.83µ | 1 | 0603 | Ceramic capacitor |
| C31, C32, C38 | 4.7µ | 3 | 0603 | Ceramic capacitor |
| C42, C46, C58, C59, C60 | 10µ | 5 | 0805 | Ceramic capacitor |
| C55, C57 | 10µ | 2 | 1206 | Tantalum capacitor |
| C56 | 22µ | 1 | 1206 | Tantalum capacitor |
| D1, D2 | 2 | SOD-923 | ESD supression diodes (optional) | |
| D3, D4 | HSMS-281C | 2 | SOT323-3AN | dual Schottky diodes |
| D5, D6, D8, D9, D10 | LED | 5 | 3mm through hole | 3mm LEDs, various colours |
| D7 | 1 | 1206 | Surface mount LED | |
| FB1, FB2, FB3, FB4 | BLM18PG221SN1D | 4 | 0603 | Ferrite bead |
| P1, P2 | 2 | BNC PCB Connector | BNC connector | |
| P3 | 1 | 2.54mm | 4×1 HC-06 header | |
| P4 | 1 | 2.54mm | 10×2 SWD header | |
| SG1, SG2 | Spark gap | 2 | Custom | PCB spark gap |
| R1, R2, R5, R6 | 100 | 4 | 0805 | SMD resistor |
| R3, R4 | 604 | 2 | 0805 | SMD resistor |
| R7 | 430 | 1 | 0805 | SMD resistor |
| R8, R12 | 0 | 2 | 0603 | SMD resistor |
| R9, R20, R21, R22 | 240 | 4 | 0805 | SMD resistor |
| R10 | 10k | 1 | 0805 | SMD resistor |
| R11 | 1.8k | 1 | 0805 | SMD resistor |
| R13 | 100k | 1 | 0603 | SMD resistor |
| R14 | 4.7k | 1 | 0603 | SMD resistor |
| R15 | 390 | 1 | 0805 | SMD resistor |
| R16, R17 | 68 | 2 | 0805 | SMD resistor |
| R18 | 120 | 1 | 0603 | SMD resistor |
| R19 | 330 | 1 | 0603 | SMD resistor |
| RESET | 1 | Custom | Pushbutton | |
| T1, T2 | WBC16-1T | 2 | Custom | Coilcraft transformer |
| U1, U2 | LTC6957 | 2 | MSOP12 | Dual Output Buffer/Driver/ Logic Converter |
| U3, U4, U5 | LP5907 | 3 | SOT23-5AM | 3.3V low noise regulator |
| U6 | AD9553 | 1 | QFN32 5×5 | PLL |
| U10 | AMS1117 | 1 | SOT223-4N | 3.3V regulator |
| X1 | Connor Winfield M100 | 1 | Custom | 10MHz TCXO |
| P5 | USB connector | 1 | Custom | USB Mini B surface mount |
| U7 | STM32F072CBT6 | 1 | LQFP-48 | STM32 F072 MCU |
| U8 | USBLC6 | 1 | SOT23-6 | USB ESD protection |
| U9 | TS1117BCP | 1 | TO-252 | 1.2V regulator |
| U11 | TS1117CW | 1 | SOT223-4N | 2.5V regulator |
| U12 | XC3S50 | 1 | VQ100 | Xilinx XC3S50 Spartan 3 FPGA |
| HC06 | Bluetooth board | 1 | 4×1 2.54mm | HC-06 Bluetooth board |
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Board Layout
