2 layers271.8 × 114.3 mm
Ardumower mega shield svn
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Stage amp
AaronVanV/PCB-StageAmp2 Stage Amplifier using BC847 transistors. All components should be SMD, except for pinheaders and connectors.
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 18
- Nets
- 10
- Pads
- 36
- Tracks, vias
- 41, 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20210108)
- Created
- 28 Feb 2021
- Updated
- 28 Feb 2021
Overview
Stage amp is an open-source printed circuit board by AaronVanV, from the AaronVanV/PCB-StageAmp repository on GitHub. It is a 2-layer board with 18 parts on 10 nets, routed with 41 tracks and 2 vias.
It is built around the BC847. Its parts include 9 resistors, 4 capacitors, 2 transistors and 2 connectors. It belongs with the audio and music boards of this library.
Main components
1README
README.md2 Stage Amplifier
2 Stage Amplifier using BC847 transistors. All components should be SMD, except for pinheaders and connectors.
Name: Aaron Van Vyve
Schematic
PCB
| Front | Back |
|---|---|
 |  |
BOM
The BOM or Bill of Materials consists out of a list of all the components with some of theire properties.
| Designator | Quantity | Description | Footprint | Farnell ordercode | Price |
|---|---|---|---|---|---|
| R1, R3, R5, R7 | 4 | 4k7 ohm | 0805 | 1750763 | 0.101 € (you get 10) |
| R2, R4 | 2 | 1k ohm | 0805 | 2861522 | 0.0371€ (you get 10) |
| R9 | 1 | 50 ohm | 0805 | 2820487RL | 13.18€ (you get 10) |
| Q1, Q2 | 2 | BC847 | 0805 | 1081231 | 0.104€ (you get 5) |
| C1, C3 | 2 | 1uF | 0805 | 1890109 | 3.50€ |
| C2, C4 | 2 | 20uF | 0805 | C4AEGBU5200A12J | 14.36€ |
| J1, J2 | 2 | Female 1x1 | 2892466 | 0.21€ | |
| Battery | 1 | 9V | 0805 | 1018880 | 1.51€ |
| Total price: 33.0021€ |
Parts
18| Qty | Value | Footprint | References |
|---|---|---|---|
| 4 | 1k | Resistor_SMD:R_0805_2012Metric | R2, R4, R6, R8 |
| 4 | 4k7 | Resistor_SMD:R_0805_2012Metric | R1, R3, R5, R7 |
| 2 | 1uF | Capacitor_SMD:C_0805_2012Metric | C1, C3 |
| 2 | 20uF | Capacitor_SMD:C_0805_2012Metric | C2, C4 |
| 2 | BC847 | Package_TO_SOT_SMD:SOT-23 | Q1, Q2 |
| 2 | Conn_01x01_Female | Connector_PinHeader_2.54mm:PinHeader_1x01_P2.54mm_Horizontal | J1, J2 |
| 1 | 50R | Resistor_SMD:R_0805_2012Metric | R9 |
| 1 | Battery_Cell | Battery:BatteryHolder_Keystone_103_1x20mm | BT1 |
Questions
What parts does the Stage amp use?
18 parts, built around the BC847. 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 Stage amp KiCad files?
From the AaronVanV/PCB-StageAmp repository on GitHub, at the commit this page was made from: the board is Stage amp/Stage amp.kicad_pcb and its schematic Stage amp/Stage amp.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the Stage amp design in my own project?
Its repository states no licence, so its author keeps all rights: ask AaronVanV before reusing the design.
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