2 layers221 × 74.4 mm
2 layers33.8 × 28.4 mm
Amplifier
ograsdijk/CeNTREX-pcb1- Size
- 33.8 × 28.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 20
- Nets
- 12
- Pads
- 56
- Tracks, vias
- 55, 3
- Pours
- 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 22 Aug 2019
- Updated
- 15 Jul 2025
Overview
Amplifier is an open-source printed circuit board by ograsdijk, from the ograsdijk/CeNTREX-pcb repository on GitHub. It is a 2-layer board of 33.8 × 28.4 mm with 20 parts on 12 nets, routed with 55 tracks and 3 vias.
Its parts include 9 capacitors, 3 resistors, 3 ICs, 3 connectors and 1 inductor. It belongs with the audio and music boards of this library.
README
README.mdCeNTREX-pcb
Parts
20| Qty | Value | Footprint | References |
|---|---|---|---|
| 3 | 1u | Capacitor_SMD:C_0805_2012Metric | C2, C3, C7 |
| 2 | 510R | Resistor_SMD:R_0805_2012Metric | R1, Rf1 |
| 2 | Conn_Coaxial | Connector_Coaxial:SMA_Amphenol_132289_EdgeMount | J1, J2 |
| 1 | footprints:LM4120AIM5-5.0&slash_NOPB | U2 | |
| 1 | footprints:ADA4841-1YRJZ-R7 | U1 | |
| 1 | 0.022u | Capacitor_SMD:C_0805_2012Metric | C1 |
| 1 | 0.1u | Capacitor_SMD:C_0805_2012Metric | C8 |
| 1 | 10u | Capacitor_SMD:C_0805_2012Metric | C6 |
| 1 | 110R | Resistor_SMD:R_0805_2012Metric | Rg1 |
| 1 | 1n | Capacitor_SMD:C_0805_2012Metric | C9 |
| 1 | 2.2u | Capacitor_SMD:C_0805_2012Metric | C5 |
| 1 | 2550R | Resistor_SMD:R_0805_2012Metric | R2 |
| 1 | C | Capacitor_SMD:C_0805_2012Metric | C4 |
| 1 | Conn_01x02 | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J4 |
| 1 | LP2985-10.0 | Package_TO_SOT_SMD:SOT-23-5 | U3 |
| 1 | L_Core_Ferrite | Inductor_SMD:L_1206_3216Metric | L1 |
Questions
How big is the Amplifier PCB?
It measures 33.8 × 28.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Amplifier use?
20 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 Amplifier KiCad files?
From the ograsdijk/CeNTREX-pcb repository on GitHub, at the commit this page was made from: the board is cavity locking/stemlab cavity locking/amplifier/rev 2.0/amplifier.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Amplifier design in my own project?
Its repository states no licence, so its author keeps all rights: ask ograsdijk before reusing the design.
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