Voice
About the Voice PCB
Voice is an open source PCB design by minisystem, published on GitHub. It is a 2-layer board measuring 133.4 × 50 mm, with 426 components from 79 distinct parts.
Other key parts include the CD4053, LM13700, TA75S558F, TL072- and RC4558. By type, the board carries 256 resistors, 67 capacitors, 39 transistors, 29 ICs, 19 diodes and 13 test points.
It belongs with the audio designs in this gallery.
From the project
Programmable Polyphonic Synthesizer
Main components on the Voice
Voice bill of materials (BOM)
426 components, 79 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | CD4053 | TSSOP-16_4.4x5mm_Pitch0.65mm_jrl | U1, U4 |
| 8 | LM13700 | SO16-JRL | U2, U5, U7, U8, U9, U10, U12, U14 |
| 5 | TA75S558F | SOT753_TSOP5_SC-74A | U3, U6, U13, U16, U25 |
| 3 | TL072- | TSSOP8-JRL | U11, U23, U26 |
| 1 | RC4558 | TSSOP8-JRL | U15 |
| 2 | NE555 | TSSOP8-JRL | U17, U18 |
| 4 | TL074- | TSSOP-14_4.4x5mm_Pitch0.65mm | U19, U22, U24, U27 |
| 2 | CD4052 | TSSOP-16_4.4x5mm_Pitch0.65mm | U20, U21 |
| 2 | CD4052 | TSSOP-16_4.4x5mm_Pitch0.65mm_jrl | U30, U31 |
| 14 | 2SA1832 | SOT416-SC75 | Q1, Q2, Q3, Q4, Q10, Q11, Q14, Q15 +6 |
| 7 | 2SK208-GR | SOT23-132-JRL | Q5, Q6, Q7, Q8, Q9, Q12, Q13 |
| 3 | 2SA1618 | SOT-353_SC-70-5 | Q16, Q25, Q26 |
| 1 | 2SK208-GR | SC-59 | Q19 |
| 5 | 2SC4738 | SOT416-SC75 | Q21, Q22, Q23, Q28, Q38 |
| 2 | 2SC4207 | SOT-353_SC-70-5 | Q24, Q27 |
| 2 | MMBF4391LT1G | SOT23-132-JRL | Q29, Q30 |
| 2 | 2SC4207 | SOT753_TSOP5_SC-74A | Q31, Q32 |
| 3 | PMBT2369 | SOT23-132-JRL | Q33, Q34, Q37 |
| 1 | DDR3-DIMM | DDR3-DIMM-MO-269-mask-fix | J1 |
| 2 | 1K 3300ppm/K | SM0805-HAND | TC1, TC2 |
Show 59 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 13 | TEST_POINT | TEST_POINT_SMALL | TP1, TP2, TP3, TP4, TP5, TP6, TP7, TP8 +5 |
| 16 | 1N4148 | SOD323-C1A2 | D1, D2, D3, D4, D5, D6, D7, D8 +8 |
| 2 | LM4040-10.0 | SOT23-132-JRL | D16, D18 |
| 1 | LM4040-5.0 | SOT23-132-JRL | D17 |
| 2 | 0.01μ | SM0603-C-JRL | C1, C2 |
| 29 | 0.1μ | SM0603-C-JRL | C3, C40, C41, C42, C43, C44, C45, C46 +21 |
| 1 | 10p | SM0603-C-JRL | C4 |
| 3 | 0.47μ | jrl_c_elec_4x5.3 | C5, C12, C13 |
| 1 | 680p | SM0603-C-JRL | C6 |
| 4 | 270pF | SM0603-C-JRL | C7, C8, C9, C10 |
| 1 | 15p | SM0603-C-JRL | C11 |
| 1 | 47pF | SM0603-C-JRL | C14 |
| 8 | 100n | SM0603-C-JRL | C15, C16, C17, C18, C19, C20, C21, C22 |
| 2 | 100n** | SM0603-C-JRL | C23, C24 |
| 10 | 100p | SM0603-C-JRL | C25, C26, C27, C28, C33, C34, C35, C36 +2 |
| 2 | 1n | SM0805-HAND-C | C29, C31 |
| 2 | 10n | SM0603-C-JRL | C30, C32 |
| 1 | 33p | SM0603-C-JRL | C39 |
| 4 | 4.7meg | SM0603-R-JRL | R1, R4, R6, R74 |
| 18 | 47K | SM0603-R-JRL | R2, R58, R75, R79, R84, R138, R147, R156 +10 |
| 12 | 12K | SM0603-R-JRL | R3, R5, R8, R19, R21, R49, R73, R76 +4 |
| 20 | 10K | SM0603-R-JRL | R7, R10, R35, R121, R122, R139, R169, R171 +12 |
| 3 | 27K | SM0603-R-JRL | R9, R93, R105 |
| 4 | 330 | SM0603-R-JRL | R11, R12, R13, R14 |
| 29 | 100K | SM0603-R-JRL | R15, R26, R33, R43, R48, R72, R91, R92 +21 |
| 15 | 68K | SM0603-R-JRL | R16, R17, R28, R45, R46, R47, R65, R66 +7 |
| 9 | 33K | SM0603-R-JRL | R18, R52, R54, R55, R56, R57, R124, R125 +1 |
| 9 | 15k | SM0603-R-JRL | R20, R27, R157, R158, R173, R174, R193, R194 +1 |
| 10 | 18K | SM0603-R-JRL | R22, R30, R37, R38, R39, R40, R70, R71 +2 |
| 2 | 510 | SM0603-R-JRL | R23, R24 |
| 5 | 30K | SM0603-R-JRL | R25, R205, R211, R212, R243 |
| 22 | 22K | SM0603-R-JRL | R29, R31, R32, R41, R114, R118, R119, R120 +14 |
| 6 | 150K | SM0603-R-JRL | R34, R36, R44, R109, R162, R163 |
| 5 | 1.5K | SM0603-R-JRL | R42, R53, R104, R207, R209 |
| 16 | 470 | SM0603-R-JRL | R50, R51, R63, R64, R80, R81, R82, R83 +8 |
| 4 | 560 | SM0603-R-JRL | R59, R60, R61, R62 |
| 4 | 1meg | SM0603-R-JRL | R69, R78, R85, R113 |
| 12 | 2.2K | SM0603-R-JRL | R77, R140, R142, R145, R146, R152, R154, R185 +4 |
| 1 | 470K | SM0603-R-JRL | R87 |
| 1 | 1K 3300 ppm/K | SM0805-HAND | R99 |
| 3 | 56K | SM0603-R-JRL | R102, R191, R192 |
| 1 | 1.5M | SM0603-R-JRL | R106 |
| 1 | 43K | SM0603-R-JRL | R108 |
| 1 | 180K | SM0603-R-JRL | R110 |
| 1 | 82K | SM0603-R-JRL | R116 |
| 2 | 3.3K** | SM0603-R-JRL | R126, R127 |
| 2 | 330K | SM0603-R-JRL | R129, R131 |
| 4 | 82K* | SM0603-R-JRL | R134, R136, R148, R150 |
| 11 | 4.7K | SM0603-R-JRL | R135, R137, R149, R151, R167, R168, R200, R201 +3 |
| 4 | 270K | SM0603-R-JRL | R141, R143, R153, R155 |
| 2 | 2.4K | SM0603-R-JRL | R170, R172 |
| 2 | 1M | SM0603-R-JRL | R175, R177 |
| 2 | 270 | SM0603-R-JRL | R176, R178 |
| 2 | 91K | SM0603-R-JRL | R181, R183 |
| 2 | 1.8K | SM0603-R-JRL | R187, R188 |
| 1 | 120K | SM0603-R-JRL | R202 |
| 1 | 39K | SM0603-R-JRL | R206 |
| 1 | 240K | SM0603-R-JRL | R213 |
| 2 | 220K | SM0603-R-JRL | R220, R221 |
Voice design files
The KiCad project lives in the minisystem/Apollo repository on GitHub; these links point at the commit this page was built from.
- Layoutvoice.kicad_pcb
Voice: common questions
How big is the Voice PCB?
The Voice measures 133.4 × 50 mm, has 2 copper layers and is 1.2 mm thick.
How many components are on the Voice?
426 components, from 79 distinct parts. The full bill of materials is listed on this page.
Where can I download the Voice design files?
From the minisystem/Apollo repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Voice design in my own project?
The repository has no license, so all rights stay with minisystem. Use it as a reference, and ask the author before reusing the design.
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