CosmicWatch gamma spectroscopy
About the CosmicWatch gamma spectroscopy PCB
CosmicWatch gamma spectroscopy is an open source PCB design by anvargasl, published on GitHub. It is a 2-layer board measuring 99.9 × 100 mm, with 97 components from 52 distinct parts.
Other key parts include the MAX5026, SiPM_MicroFJ−300XX−TSV, MMCX, LMH6658 and RasberryPi_Pico. By type, the board carries 34 resistors, 29 capacitors, 15 connectors, 11 ICs, 4 diodes and 2 inductors.
From the project
Handling versions of CosmicWatch pcb design, reusing V2 DC to DC booster and implementing new peak detection designa.
Handling versions of CosmicWatch pcb design, reusing V2 DC to DC booster and implementing new peak detection designa.
main project, bringing together the different versions of parts desinged for peak detection and power.
Reimplementing CosmicWatch-V2 Dc to DC booster for lower noise in the power line.
Latest peak detector circuit implemented for tests.
Main components on the CosmicWatch gamma spectroscopy
CosmicWatch gamma spectroscopy bill of materials (BOM)
97 components, 52 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MAX5026 | SOT-23-6_Handsoldering | U1 |
| 1 | SiPM_MicroFJ−300XX−TSV | SiPM_MicroFJ−300XX−TSV | U2 |
| 1 | MMCX | SMA_side_mount_sideways | U3 |
| 2 | LMH6658 | SOIC-8_3.9x4.9mm_P1.27mm | U4, U6 |
| 1 | RasberryPi_Pico | RPi_Pico_SMD_TH_noThroughHoles | U5 |
| 3 | UMCC | PinHeader_1x02_P2.54mm_Vertical | U7, U16, U17 |
| 1 | sd_card_socket | sd_card | U8 |
| 1 | TPS6040X | SOT-23-5 | U9 |
| 1 | 2N7002 | SOT-23 | Q1 |
| 1 | RJ45 | RJ45_OST_PJ012-8P8CX_Vertical | J3 |
| 1 | CONN_01X04 | PinHeader4_bigger_SiPM | P1 |
| 1 | CONN_01X01 | SiPM_PCB_Standoff | P2 |
| 2 | CONN_01X04 | PinHeader_1x04_P2.54mm_Vertical | P3, P4 |
| 2 | CONN_01X02 | SolderJumper-2_P1.3mm_Open_RoundedPad1.0x1.5mm | P5, P16 |
| 2 | CONN_01X01 | GND_circle | P7, P8 |
| 1 | CONN_02X02 | PinHeader_2x02_P2.54mm_Vertical | P10 |
| 4 | CONN_01X01 | PinHeader_1x01_P2.54mm_Vertical | P11, P12, P13, P14 |
| 1 | CONN_02X04 | PinHeader_2x04_P2.54mm_Vertical | P15 |
| 1 | RESET | reset_button | SW1 |
| 1 | DIODE | D_SOD-123 | D1 |
Show 32 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | D_Schottky | D_SOD-123 | D3, D5 |
| 1 | D_Schottky | D_SOD-523 | D4 |
| 1 | 15uH | C_0603_1608Metric | L1 |
| 1 | INDUCTOR | C_0603_1608Metric | L3 |
| 3 | 1uF | C_0603_1608Metric | C1, C4, C47 |
| 1 | 4.7uF | C_1206_3216Metric | C2 |
| 1 | 2.2uF | C_1206_3216Metric | C3 |
| 9 | 10nF | C_0603_1608Metric | C5, C7, C8, C9, C13, C16, C23, C24 +1 |
| 2 | 0.1uF | C_0603_1608Metric | C6, C21 |
| 2 | 0.1u | C_0603_1608Metric | C10, C20 |
| 1 | 10n | C_0603_1608Metric | C11 |
| 1 | 20pF | C_0603_1608Metric | C12 |
| 2 | 10p | C_0603_1608Metric | C14, C17 |
| 2 | 100n | C_0603_1608Metric | C15, C28 |
| 1 | 10pF | C_0603_1608Metric | C18 |
| 1 | 6.8uF | C_1206_3216Metric | C22 |
| 1 | 2nF | C_0603_1608Metric | C25 |
| 1 | ~ | C_0603_1608Metric | C41 |
| 1 | 10uF | C_0603_1608Metric | C42 |
| 3 | 47k | C_0603_1608Metric | R1, R23, R28 |
| 1 | 147k | C_0603_1608Metric | R2 |
| 1 | 49.9 | C_0603_1608Metric | R3 |
| 3 | 1k | C_0603_1608Metric | R4, R5, R24 |
| 1 | 30K | C_0603_1608Metric | R6 |
| 7 | 10k | C_0603_1608Metric | R7, R12, R13, R16, R20, R22, R33 |
| 6 | NA | C_0603_1608Metric | R9, R11, R19, R27, R29, R30 |
| 1 | 6.65k | C_0603_1608Metric | R10 |
| 2 | 100k | C_0603_1608Metric | R14, R15 |
| 4 | 100 | C_0603_1608Metric | R17, R18, R25, R37 |
| 1 | 200 | C_0603_1608Metric | R21 |
| 2 | 0 | C_0603_1608Metric | R26, R31 |
| 2 | 10 | C_0603_1608Metric | R36, R39 |
CosmicWatch gamma spectroscopy design files
The KiCad project lives in the anvargasl/CosmicWatch-gamma-spectroscopy-PCB repository on GitHub; these links point at the commit this page was built from.
CosmicWatch gamma spectroscopy: common questions
How big is the CosmicWatch gamma spectroscopy PCB?
The CosmicWatch gamma spectroscopy measures 99.9 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the CosmicWatch gamma spectroscopy?
97 components, from 52 distinct parts. The full bill of materials is listed on this page.
Where can I download the CosmicWatch gamma spectroscopy design files?
From the anvargasl/CosmicWatch-gamma-spectroscopy-PCB repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the CosmicWatch gamma spectroscopy design in my own project?
The repository has no license, so all rights stay with anvargasl. Use it as a reference, and ask the author before reusing the design.