

PCRD02
Silicon PIN diode cosmic radiation detector
- Size
- 50.3 × 30 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 40
- Nets
- 19
- Pads
- 102
- Tracks, vias
- 185, 18
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 4 Nov 2020
- Updated
- 4 Jul 2024
Overview
PCRD02 is an open-source printed circuit board by mlab-modules, from the mlab-modules/PCRD02 repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 50.3 × 30 mm with 40 parts on 19 nets, routed with 185 tracks and 18 vias.
It is built around the AD8692ARZ and BF862. Its parts include 15 resistors, 14 capacitors, 8 connectors, 2 ICs and 1 transistor.
Main components
2README
README.mdPCRD - Plocs Cosmic Ray Detector
The PCRD is a semiconductor detector for cosmic rays. Its main advantages include sensitivity to all charged particles, low energy consumption, and low weight. Additionally, if the interaction with radiation transfers all its energy to the silicon, it is possible to determine the energy spectrum of the mixed radiation field.

Technical Parameters
| Parameter | Value | Note |
|---|---|---|
| Power Supply | +/- 2.4V | |
| Dimensions | 30.0 x 50.3 x 16 mm | Height above base board |
Construction Description
Mechanical Construction
The module contains mounting screws in all corners with an MLAB pitch (10.16mm). If space-saving is needed, the part of the PCB with two screws can be broken off.
Assembly and Commissioning
Assembly
| Designation | Type | Package | Quantity |
|---|---|---|---|
| R7 | 2M | SMD-0805 | 1 |
| C1, C2 | 100nF | SMD-0805 | 2 |
| C3, C4, C9, C10, C11 | 100n | SMD-0805 | 5 |
| C13, C17 | 330nF | SMD-0805 | 2 |
| C14 | 510pF | SMD-0805 | 1 |
| C15 | 220pF | SMD-0805 | 1 |
| C16 | 150pF | SMD-0805 | 1 |
| J2 | JUMP_3X2 | Pin_Header_Straight_2x03 | 1 |
| J3 | JUMP_5X2 | Pin_Header_Straight_2x05 | 1 |
| J4 | Out | Pin_Header_Straight_2x03 | 1 |
| P1, P2, P3, P4 | _ | MountingHole_3mm | 4 |
| Q1 | BF862 | SOT-23 | 1 |
| R1, R2 | 4M7 | SMD-0805 | 2 |
| R8 | 3k3 | SMD-0805 | 1 |
| R9, R15 | 10k | SMD-0805 | 2 |
| R10 | 1k5 | SMD-0805 | 1 |
| R11 | 6k2 | SMD-0805 | 1 |
| R12, R13, R14 | 2k41k | SMD-0805 | 3 |
| U1 | AD8691 | tsot-5 | 1 |
| J1 | CONN1_2 | CONN_3_2 | 1 |
| U2 | AD8692 | SOIC-8-N | 1 |
| C5, C8 | 2pF | 2pF_PCB | 2 |
| Variant 1 | |||
| R3 | 1k | SMD-0805 | 1 |
| R4 | 62 | SMD-0805 | 1 |
| R5 | 100 | SMD-0805 | 1 |
| R6 | 2k | SMD-0805 | 1 |
| Variant 2 | |||
| R3 | 1k | SMD-0805 | 1 |
| R4 | 300 | SMD-0805 | 1 |
| R5 | 430 | SMD-0805 | 1 |
| R6 | 1k | SMD-0805 | 1 |
Parts
40| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100n | MLAB_R:SMD-0805 | C3, C4, C9, C10, C11 |
| 4 | R | MLAB_R:SMD-0805 | R3, R4, R5, R6 |
| 4 | _ | Dira:MountingHole_3mm | P1, P2, P3, P4 |
| 3 | 2k4 | MLAB_R:SMD-0805 | R12, R13, R14 |
| 2 | 100nF | MLAB_R:SMD-0805 | C1, C2 |
| 2 | 10k | MLAB_R:SMD-0805 | R9, R15 |
| 2 | 2pF | Mlab_C:2pF_PCB | C5, C8 |
| 2 | 330nF | MLAB_R:SMD-0805 | C13, C17 |
| 2 | 4M7 | MLAB_R:SMD-0805 | R1, R2 |
| 1 | 150pF | MLAB_R:SMD-0805 | C16 |
| 1 | 1k5 | MLAB_R:SMD-0805 | R10 |
| 1 | 220pF | MLAB_R:SMD-0805 | C15 |
| 1 | 2M | MLAB_R:SMD-0805 | R7 |
| 1 | 3k3 | MLAB_R:SMD-0805 | R8 |
| 1 | 510pF | MLAB_R:SMD-0805 | C14 |
| 1 | 6k2 | MLAB_R:SMD-0805 | R11 |
| 1 | AD8691 | MLAB_IO:tsot-5 | U1 |
| 1 | AD8692 | SMD_Packages:SOIC-8-N | U2 |
| 1 | BF862 | MLAB_IO:SOT-23 | Q1 |
| 1 | CONN1_2 | Hrebinky:CONN_3_2 | J1 |
| 1 | JUMP_3X2 | Hrebinky:Pin_Header_Straight_2x03 | J2 |
| 1 | JUMP_5X2 | Hrebinky:Pin_Header_Straight_2x05 | J3 |
| 1 | Out | Hrebinky:Pin_Header_Straight_2x03 | J4 |
Questions
How big is the PCRD02 PCB?
It measures 50.3 × 30 mm and has 2 copper layers, 1.6 mm thick.
What parts does the PCRD02 use?
40 parts, built around the AD8692ARZ and BF862. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the PCRD02 KiCad files?
From the mlab-modules/PCRD02 repository on GitHub, at the commit this page was made from: the board is hw/sch_pcb/PCRD02.kicad_pcb and its schematic hw/sch_pcb/PCRD02.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the PCRD02 design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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