Audio Board
About the Audio Board
Audio Board is an open source PCB design by woytekm, published on GitHub. It is a 4-layer board measuring 65 × 56.4 mm, with 78 components from 39 distinct parts.
Other key parts include the TAS5721, AP1117-33 and MT3608. By type, the board carries 42 capacitors, 17 resistors, 8 connectors, 7 inductors, 3 ICs and 1 diode.
It belongs with the audio and rf & radio designs in this gallery.
From the project
Network Radio revisited
This directory contains KiCad Projects of IRIS2 boards. Projects also contain Gerber files and schematics in PDF format.
Main components on the Audio Board
Audio Board bill of materials (BOM)
78 components, 39 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TAS5721 | HTSSOP48 | U1 |
| 1 | AP1117-33 | SOT-223-3_TabPin2 | U2 |
| 1 | MT3608 | SOT-23-6_Handsoldering | U5 |
| 2 | Conn_01x15 | PinSocket_1x15_P2.54mm_Vertical | J1, J7 |
| 3 | Conn_01x02 | Molex_Micro-Latch_53253-0270_1x02_P2.00mm_Vertical | J2, J3, J8 |
| 1 | Ext/Int +5V Analog | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | +5V analog - external | Molex_Micro-Latch_53253-0270_1x02_P2.00mm_Vertical | J5 |
| 1 | Conn_02x20_Odd_Even | PinSocket_2x20_P2.54mm_Vertical | J6 |
| 1 | 10MQ040NTRPBF | D_3220_8050Metric_Pad2.65x5.15mm_HandSolder | D1 |
| 4 | 15uH/3.5A | L_7.3x7.3_H3.5 | L1, L2, L3, L4 |
| 1 | 4.7uH 1A | L_6.3x6.3_H3 | L5 |
| 2 | Ferrite Bead | L_0805_2012Metric_Pad1.15x1.40mm_HandSolder | L6, L7 |
| 2 | 0.1uF/25 | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C1, C27 |
| 6 | 0.33uF/50 | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C2, C4, C6, C8, C10, C11 |
| 2 | 220uF/25 | CP_Elec_6.3x7.7 | C3, C28 |
| 4 | 330pF/50V | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C5, C7, C9, C24 |
| 2 | 0.047uF/16 | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C12, C14 |
| 2 | 4700pF/25V | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C13, C17 |
| 1 | 1uF/16 | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C15 |
| 2 | 10uF/16 | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C16, C23 |
Show 19 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1uF/10 | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C18, C19 |
| 4 | 0.033uF/50 | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C20, C30, C31, C32 |
| 1 | 4.7uF/6.3 | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C21 |
| 1 | 100n/16 | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C22 |
| 1 | 1uF/25V | C_0805_2012Metric_Pad1.15x1.40mm_HandSolder | C25 |
| 1 | 2200pF/50V | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C26 |
| 1 | 0.1uF/16V | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C29 |
| 4 | 220uF/50 | CP_Elec_6.3x7.7 | C33, C34, C35, C36 |
| 3 | 100nF/16 | C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C37, C41, C42 |
| 1 | 10uF/16 | CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder | C38 |
| 2 | 22uF/25 | C_1210_3225Metric_Pad1.42x2.65mm_HandSolder | C39, C40 |
| 3 | 0R | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R5, R13 |
| 4 | 18R | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R3, R6, R7, R8 |
| 1 | 1K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R4 |
| 1 | 3K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R9 |
| 1 | 2.2K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R10 |
| 2 | 470R | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R11, R12 |
| 1 | 18.2K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R14 |
| 4 | 15K | R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R15, R16, R17, R18 |
Audio Board design files
The KiCad project lives in the woytekm/IRIS2 repository on GitHub; these links point at the commit this page was built from.
Audio Board: common questions
How big is the Audio Board?
The Audio Board measures 65 × 56.4 mm, has 4 copper layers and is 1.6 mm thick.
How many components are on the Audio Board?
78 components, from 39 distinct parts. The full bill of materials is listed on this page.
Where can I download the Audio Board design files?
From the woytekm/IRIS2 repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Audio Board design in my own project?
The repository has no license, so all rights stay with woytekm. Use it as a reference, and ask the author before reusing the design.
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