4 layers99 × 53.3 mm
PSLab
fossasia/pslab-hardware
PSLab Hardware Design and Schematics https://pslab.io
199 parts1.7kApache-2.0
2 layers58.4 × 94 mm
CR-150-R4b
CrematInc/CR-150-R4b2evaluation board for Cremat's charge sensitive preamplifier modules CR-11X
- Size
- 58.4 × 94 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 37
- Nets
- 19
- Pads
- 83
- Tracks, vias
- 98, 7
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 23 Nov 2015
- Updated
- 23 Nov 2015
Overview
CR-150-R4b is an open-source printed circuit board by CrematInc, from the CrematInc/CR-150-R4b repository on GitHub. It is a 2-layer board of 58.4 × 94 mm with 37 parts on 19 nets, routed with 98 tracks and 7 vias.
It is built around the MMBT3904 and MMBT3906. Its parts include 10 resistors, 9 connectors, 7 capacitors, 4 diodes and 2 transistors.
Main components
2README
README.mdCR-150-R4b
KiCad files for Cremat's CR-150-R4b, an evaluation board for Cremat's charge sensitive preamplifier modules CR-11X Includes Schematic, layout, and gerber files. Also a BOM.
Parts
37| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 10uF | Cremat_footprints:1206 | C3, C4, C6, C7 |
| 3 | 100M | Cremat_footprints:320 | R2, R3, R10 |
| 2 | 0.01uF | Cremat_footprints:HVcap_on_side | C1, C2 |
| 2 | 10M | Cremat_footprints:320 | R1, R9 |
| 2 | 1N4148 | Cremat_footprints:SOD-323 | D3, D4 |
| 2 | 2.2k | Cremat_footprints:0805 | R4, R5 |
| 2 | 4.7 | Cremat_footprints:0805 | R6, R7 |
| 2 | 7.5V | Cremat_footprints:SOD-323 | D1, D2 |
| 1 | +12V | Cremat_footprints:banana | J6 |
| 1 | -12V | Cremat_footprints:banana | J8 |
| 1 | 1pF | Cremat_footprints:0805 | C5 |
| 1 | 47 | Cremat_footprints:1206 | R8 |
| 1 | Bias In | Cremat_footprints:BNC | J3 |
| 1 | CR-11X | Cremat_footprints:8pinSIP | U1 |
| 1 | GND | Cremat_footprints:banana | J7 |
| 1 | GND | Cremat_footprints:SolderPoint | J9 |
| 1 | MMBT3904 | Cremat_footprints:SOT23-3 | Q1 |
| 1 | MMBT3906 | Cremat_footprints:SOT23-3 | Q2 |
| 1 | Output | Cremat_footprints:BNC | J4 |
| 1 | Test Input | Cremat_footprints:BNC | J2 |
| 1 | detector | Cremat_footprints:SolderPoint | J1 |
| 1 | power input | Cremat_footprints:3-terminal_block | J5 |
The 33 most common of 37 parts.
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Questions
How big is the CR-150-R4b PCB?
It measures 58.4 × 94 mm and has 2 copper layers, 1.6 mm thick.
What parts does the CR-150-R4b use?
37 parts, built around the MMBT3904 and MMBT3906. 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 CR-150-R4b KiCad files?
From the CrematInc/CR-150-R4b repository on GitHub, at the commit this page was made from: the board is CR-150-R4b.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the CR-150-R4b design in my own project?
Its repository states no licence, so its author keeps all rights: ask CrematInc before reusing the design.