2 layers110.1 × 59.9 mm
Perimeter sender v2
vasimv/myardumower
Private-use only! (you need to ask for a commercial-use)
35 parts1
2 layers80 × 55.5 mm
AudioBoard
MarJong/AudioBoard1- Size
- 80 × 55.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 120
- Nets
- 103
- Pads
- 374
- Tracks, vias
- 771, 135
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 29 Dec 2020
- Updated
- 29 Dec 2020
Overview
AudioBoard is an open-source printed circuit board by MarJong, from the MarJong/AudioBoard repository on GitHub. It is a 2-layer board of 80 × 55.5 mm with 120 parts on 103 nets, routed with 771 tracks and 135 vias.
It is built around the OPA2340PA and BAT54. Its parts include 41 capacitors, 39 resistors, 20 connectors, 5 ICs and 5 diodes. It belongs with the AVR (ATmega, ATtiny) boards of this library.
Main components
2
OPA2340PA
PDIP-8-40℃~+85℃ 0.2pA 0.2pA 150uV 2 2.5uV/℃ 2.7V~5.5V 25nV/√Hz@1kHz 5.5MHz 50mA 6V/us 750uA 80dB Rail-to-Rail Input, Rail-to-Rail Output PDIP-8 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
BAT54
SOT-23200mA 2uA@25V 30V 800mV@100mA Independent SOT-23 Schottky Diodes ROHSFOSANSchottky Diodes
Parts
120| Qty | Value | Footprint | References |
|---|---|---|---|
| 12 | 100k | SM0805 | R3, R17, R19, R20, R21, R31, R32, R36, R37, R39, R67, R69 |
| 12 | 100n | SM0805 | C14, C20, C27, C28, C30, C40, C41, C43, C44, C46, C48, C55 |
| 7 | 10k | SM0805 | R2, R13, R14, R24, R33, R42, R48 |
| 5 | 10µ | SM0805 | C3, C8, C22, C24, C70 |
| 5 | 47µ | SM1210 | C4, C6, C10, C17, C25 |
| 4 | 1µ | SM0805 | C5, C31, C33, C35 |
| 4 | 22µ | SM1210 | C7, C15, C23, C49 |
| 4 | 47k | SM0805 | R12, R30, R57, R75 |
| 4 | BAT54 | SOT23 | D1, D2, D4, D5 |
| 4 | BC849 | SOT23 | Q2, Q3, Q4, Q5 |
| 4 | Bohrung | SIL-1 | P5, P6, P7, P8 |
| 3 | OPA2340 | SO8E | U3, U4, U5 |
| 2 | 100 | SM0805 | R38, R40 |
| 2 | 150k | SM0805 | R28, R52 |
| 2 | 16p | SM0805 | C26, C32 |
| 2 | 1k | SM0805 | R9, R29 |
| 2 | 22p | SM0805 | C19, C52 |
| 2 | 22µH | SM1812 | L1, L2 |
| 2 | 270k | SM0805 | R7, R8 |
| 2 | 27k | SM0805 | R18, R35 |
| 2 | 330p | SM0805 | C13, C29 |
| 2 | 3V3_CONN | SIL-2 | P2, P3 |
| 2 | 5,6k | SM0805 | R16, R34 |
| 2 | 560 | SM0805 | R25, R49 |
| 2 | 68p | SM0805 | C21, C56 |
| 1 | 100µ | SM1210 | C9 |
| 1 | 10n | SM0805 | C12 |
| 1 | 150 | SM0805 | R23 |
| 1 | 16MHz | Q_49U3HMS | X1 |
| 1 | 1M | SM0805 | R4 |
| 1 | 4,7n | SM0805 | C2 |
| 1 | 5V_IN | bornier2 | P1 |
| 1 | ATXMEGA64/128/192/256A3U | ATMEL_64A | IC1 |
| 1 | CONN_1 | SIL-1 | P9 |
| 1 | CONN_3X2 | pin_array_3x2 | P10 |
| 1 | GND_CONN | SIL-2 | P4 |
| 1 | JUMPER_M/S | SIL-2 | JP1 |
| 1 | LM3940 | TO263 | U1 |
| 1 | PORTA | SIL-7 | P11 |
| 1 | PORTC | SIL-8 | P12 |
| 1 | PORTD | SIL-6 | P13 |
| 1 | PORTE | SIL-6 | P16 |
| 1 | PORTE | SIL-8 | P15 |
| 1 | PORTF | SIL-8 | P14 |
| 1 | POWER_LED | LED-0805 | D3 |
| 1 | SW_PROG | SW_PUSH_SMALL | SW1 |
| 1 | SW_RESET | SW_PUSH_SMALL | SW2 |
| 1 | Stereo Klinke Input | SIL-3 | CON1 |
| 1 | Stereo Pot | pin_array_3x2 | P17 |
| 1 | USB | USB_B | J1 |
| 1 | output | SIL-3 | P18 |
Questions
How big is the AudioBoard PCB?
It measures 80 × 55.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the AudioBoard use?
120 parts, built around the OPA2340PA and BAT54. 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 AudioBoard KiCad files?
From the MarJong/AudioBoard repository on GitHub, at the commit this page was made from: the board is audioboard_schematics/audio board.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the AudioBoard design in my own project?
Its repository states no licence, so its author keeps all rights: ask MarJong before reusing the design.
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