2 layers227.8 × 48 mm
2 layers32 × 32 mm
DIY Ion mobility spectrometer
- Size
- 32 × 32 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 3
- Nets
- 2
- Pads
- 4
- Tracks, vias
- 2, 17
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 4 Apr 2019
- Updated
- 9 Jun 2023
Overview
Cible is an open-source printed circuit board by Hackuarium, from the Hackuarium/ion-mobility repository on GitHub. It is a 2-layer board of 32 × 32 mm with 3 parts on 2 nets, routed with 2 tracks and 17 vias.
README
PCB/Ampli/README.mdAmplification stage
Description
Amplification stage to transform the small current on the target to an acceptable voltage to be read/processed.
Transimpedance circuit with a big gain (10^8) and a voltage follower through a dual precision operationnal amplifier (Texas Instruments LMC6082).
Specifications and limitations
The circuit needs to be as close as possible to the target of the IMS in order to limit the noise present on the signal. One possibility is to solder the PCB directly on the back of the target.
Possible amplification of the noise must be taken into account, and possibly filtered through a very small capacitor (~0.01 pF, thus quite expensive) in the gain stage feedback loop (a bigger resistor amplifies the signal but also the noise).
PCB
Below is a picture of the mounted PCB, currently missing the connectors and a potential filtering capacitor C1.
Parts
3| Qty | Value | Footprint | References |
|---|---|---|---|
| 1 | Conn_Coaxial_Power | Connector_Coaxial:SMA_Amphenol_132134-10_Vertical | J1 |
| 1 | LOGO | cible:karaph | G*** |
The 2 most common of 3 parts.
Questions
How big is the Cible PCB?
It measures 32 × 32 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Cible use?
3 parts. 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 Cible KiCad files?
From the Hackuarium/ion-mobility repository on GitHub, at the commit this page was made from: the board is PCB/cible/cible.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Cible design in my own project?
Its repository states no licence, so its author keeps all rights: ask Hackuarium before reusing the design.
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