Digital tone
About the Digital tone PCB
Digital tone is an open source PCB design by barrybridges68, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 80 × 80 mm, with 96 components from 31 distinct parts.
Other key parts include the NE5532, LM4562, LM321 and L7805. By type, the board carries 45 resistors, 35 capacitors, 8 ICs, 5 connectors, 1 transistor and 1 diode.
It belongs with the audio designs in this gallery.
From the project
Assorted audio projects, most in working state
Main components on the Digital tone
Digital tone bill of materials (BOM)
96 components, 31 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | NE5532 | SOIC-8_3.9x4.9mm_P1.27mm | U1, U3, U4, U5 |
| 1 | LM4562 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 2 | LM321 | SOT-23-5 | U6, U7 |
| 1 | L7805 | TO-252-2 | U8 |
| 1 | SSM3J338R,LF | SOT-23 | Q1 |
| 1 | Power | TerminalBlock_Phoenix_MKDS-1,5-2_1x02_P5.00mm_Horizontal | J1 |
| 1 | Audio In | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J2 |
| 1 | Bass Pot Connector | IDC-Header_2x05_P2.54mm_Vertical | J3 |
| 1 | Treble Pot Connector | IDC-Header_2x05_P2.54mm_Vertical | J4 |
| 1 | Audio Out | TerminalBlock_Phoenix_MKDS-1,5-3_1x03_P5.00mm_Horizontal | J5 |
| 1 | BZT52C7V5 | D_SOD-123F | D1 |
| 1 | L_Ferrite | R_0603_1608Metric | L1 |
| 2 | 100u | C_1206_3216Metric | C1, C2 |
| 9 | 100n | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C3, C6, C7, C8, C13, C25, C26, C29 +1 |
| 6 | 10u | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C4, C5, C23, C24, C27, C28 |
| 2 | 4n7 | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C9, C10 |
| 2 | 22p | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C11, C12 |
| 2 | 100u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C14, C15 |
| 1 | 10u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C16 |
| 2 | 1u | C_0603_1608Metric | C17, C20 |
Show 11 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 22u | CP_Elec_6.3x5.2 | C18, C21 |
| 4 | 100n | C_0603_1608Metric | C19, C22, C33, C35 |
| 3 | 10u | C_1206_3216Metric | C31, C32, C34 |
| 2 | 100R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R2 |
| 12 | 22k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R3, R4, R7, R10, R11, R12, R17, R18 +4 |
| 4 | 6k8 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R5, R6, R8, R9 |
| 2 | 39k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R13, R14 |
| 12 | 2k2 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R15, R16, R20, R22, R32, R33, R34, R35 +4 |
| 5 | 100k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R25, R26, R28, R29, R31 |
| 2 | TBD | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R27, R30 |
| 6 | 10R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R36, R37, R38, R39, R44, R45 |
Digital tone design files
The KiCad project lives in the barrybridges68/assorted_audio_projects repository on GitHub; these links point at the commit this page was built from.
Digital tone: common questions
How big is the Digital tone PCB?
The Digital tone measures 80 × 80 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Digital tone?
96 components, from 31 distinct parts. The full bill of materials is listed on this page.
Where can I download the Digital tone design files?
From the barrybridges68/assorted_audio_projects repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Digital tone design in my own project?
Yes, under the terms of its GPL-3.0 license, which barrybridges68 chose for the repository.
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