2 layers50 × 85 mm
Usb headphone amp
embediver/usb-headphone-amp
USB Headphone Amplifier based on RP2040, PCM5102A and NE5532.
144 parts
2 layers
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 47
- Nets
- 33
- Pads
- 183
- Tracks, vias
- 0, 0
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 14 May 2014
- Updated
- 14 May 2014
Overview
GTB is an open-source printed circuit board by nahidalam, from the nahidalam/KiCad-projects repository on GitHub. It is a 2-layer board with 47 parts on 33 nets.
It is built around the TPS76933DBV. Its parts include 20 capacitors, 15 resistors, 4 ICs, 2 diodes and 2 switches.
Main components
1Parts
47| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 100N | SM1206 | C3, C5, C6, C8, C11 |
| 4 | C | SM1206 | C14, C16, C17, C19 |
| 3 | 0 | SM1206 | R3, R10, R13 |
| 3 | 1U | SM1206 | C2, C7, C18 |
| 2 | 2.2K | SM1206 | R4, R5 |
| 2 | 270 | SM1206 | R11, R12 |
| 2 | 27P | SM1206 | C9, C12 |
| 2 | 33 | SM1206 | R6, R7 |
| 2 | LED | LED-1206 | D1, D2 |
| 2 | R | SM1206 | R8, R15 |
| 2 | SW_PUSH | SW_PUSH_SMALL | SW1, SW2 |
| 1 | 0.1U | SM1206 | C15 |
| 1 | 10P | SM1206 | C1 |
| 1 | 1K5 | SM1206 | R9 |
| 1 | 1N | SM1206 | C4 |
| 1 | 2 | SM1206 | R14 |
| 1 | 220P | SM1206 | C10 |
| 1 | 2K2 | SM1206 | R1 |
| 1 | 2U | SM1206 | C13 |
| 1 | 4U7 | SM1206 | C20 |
| 1 | 56K | SM1206 | R2 |
| 1 | 6N8 | SM1206 | L1 |
| 1 | APPLE-CP | SSOP8 | U2 |
| 1 | APPLE-LIGHTNING-C10/C11 | Lightning-C11-B | U3 |
| 1 | BALUN | JTI_2450BM15A0002 | T1 |
| 1 | CC2531 | RHA40_4P5X4P5 | U1 |
| 1 | CRYSTAL | SM0603 | X1 |
| 1 | INDUCTOR | SM1206 | L2 |
| 1 | TPS76933 | SOT23-5 | U4 |
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Questions
What parts does the GTB use?
47 parts, built around the TPS76933DBV. 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 GTB KiCad files?
From the nahidalam/KiCad-projects repository on GitHub, at the commit this page was made from: the board is orig/GTB.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the GTB design in my own project?
Its repository states no licence, so its author keeps all rights: ask nahidalam before reusing the design.