Josh Ox Ribbon Synth ADSR board
About the Josh Ox Ribbon Synth ADSR board
Josh Ox Ribbon Synth ADSR board is an open source PCB design by JordanAceto, published on GitHub under the CC-BY-4.0 license. It is a 2-layer board measuring 172.7 × 108 mm, with 120 components from 46 distinct parts.
Other key parts include the TL072, TLC555, CD4052B and DG470EY. By type, the board carries 44 resistors, 34 capacitors, 13 ICs, 6 diodes, 5 connectors and 3 transistors.
It belongs with the audio designs in this gallery.
From the project
ribbon synth for Josh Oxford
Three ADSR envelope generators with short and long time range switch.
A comparator and analog switch ensure that the sustain control reacts quickly during sustain phases, even when the decay control is set for long time constants.
Main components on the Josh Ox Ribbon Synth ADSR board
Josh Ox Ribbon Synth ADSR board bill of materials (BOM)
120 components, 46 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | TL072 | SOIC-8_3.9x4.9mm_P1.27mm | U101, U203, U303, U403 |
| 3 | TLC555 | SOIC-8_3.9x4.9mm_P1.27mm | U201, U301, U401 |
| 3 | CD4052B | SOIC-16_3.9x9.9mm_P1.27mm | U202, U302, U402 |
| 3 | DG470EY | SOIC-8_3.9x4.9mm_P1.27mm | U204, U304, U404 |
| 3 | MMBT3904 | SOT-23 | Q201, Q301, Q401 |
| 1 | ribbon_port | Molex_KK-254_AE-6410-05A_1x05_P2.54mm_Vertical | J1 |
| 1 | modosc_port | Molex_KK-254_AE-6410-02A_1x02_P2.54mm_Vertical | J2 |
| 1 | VCO_port | Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J3 |
| 1 | VCF_port | Molex_KK-254_AE-6410-03A_1x03_P2.54mm_Vertical | J4 |
| 1 | power_entry | IDC-Header_2x05_P2.54mm_Vertical | J5 |
| 5 | 100K 1MA | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV201, RV301, RV401, RV402, RV404 |
| 4 | 1MA | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV202, RV204, RV302, RV304 |
| 2 | 10k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV203, RV303 |
| 1 | 100K 10k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV403 |
| 3 | SW_SPDT | SPDT_mini_toggle | SW201, SW301, SW401 |
| 4 | 5V1 1N4148W | D_SOD-123 | D201, D202, D301, D302 |
| 2 | 1N4148W | D_SOD-123 | D401, D402 |
| 1 | 10U 10u | CP_Radial_D6.3mm_P2.50mm | C101 |
| 1 | 10u | CP_Radial_D6.3mm_P2.50mm | C102 |
| 19 | 100n | C_0805_2012Metric | C103, C104, C205, C206, C207, C208, C209, C210 +11 |
Show 26 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 4 | 1n | C_0805_2012Metric | C201, C202, C301, C302 |
| 2 | 2u2 | CP_Radial_D6.3mm_P2.50mm | C203, C303 |
| 2 | 22u | CP_Radial_D6.3mm_P2.50mm | C204, C304 |
| 2 | 100P 1n | C_0805_2012Metric | C401, C402 |
| 1 | 100P 2u2 | CP_Radial_D6.3mm_P2.50mm | C403 |
| 1 | 100P 22u | CP_Radial_D6.3mm_P2.50mm | C404 |
| 1 | 100P 100n | C_0805_2012Metric | C405 |
| 4 | 100K 100k | R_0805_2012Metric | R101, R401, R402, R411 |
| 1 | 100k | R_0805_2012Metric | R102 |
| 4 | 30K 100k | R_0805_2012Metric | R201, R211, R301, R311 |
| 2 | 390K 100k | R_0805_2012Metric | R202, R302 |
| 6 | 30K 10k | R_0805_2012Metric | R203, R204, R212, R303, R304, R312 |
| 2 | 10K 5k6 | R_0805_2012Metric | R205, R305 |
| 4 | 30K 22 | R_0805_2012Metric | R206, R208, R306, R308 |
| 2 | 270 22 | R_0805_2012Metric | R207, R307 |
| 2 | 30K 100 | R_0805_2012Metric | R209, R309 |
| 2 | 30K 2k7 | R_0805_2012Metric | R210, R310 |
| 2 | 270 2M2 | R_0805_2012Metric | R213, R313 |
| 2 | 10k | R_0805_2012Metric | R214, R314 |
| 3 | 100K 10k | R_0805_2012Metric | R403, R404, R414 |
| 1 | 100K 5k6 | R_0805_2012Metric | R405 |
| 3 | 100K 22 | R_0805_2012Metric | R406, R407, R408 |
| 1 | 100K 100 | R_0805_2012Metric | R409 |
| 1 | 100K 2k7 | R_0805_2012Metric | R410 |
| 1 | 18K 10k | R_0805_2012Metric | R412 |
| 1 | 100K 2M2 | R_0805_2012Metric | R413 |
Josh Ox Ribbon Synth ADSR board design files
The KiCad project lives in the JordanAceto/josh_Ox_ribbon_synth repository on GitHub; these links point at the commit this page was built from.
Josh Ox Ribbon Synth ADSR board: common questions
How big is the Josh Ox Ribbon Synth ADSR board?
The Josh Ox Ribbon Synth ADSR board measures 172.7 × 108 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Josh Ox Ribbon Synth ADSR board?
120 components, from 46 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Josh Ox Ribbon Synth ADSR board design files?
From the JordanAceto/josh_Ox_ribbon_synth repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Josh Ox Ribbon Synth ADSR board design in my own project?
Yes, under the terms of its CC-BY-4.0 license, which JordanAceto chose for the repository.
More boards in josh_Ox_ribbon_synth
Josh Ox Ribbon Synth VCF/VCA/BBD board
132.1 × 213.4 mm349 parts2LCC-BY-4.01
Josh Ox Ribbon Synth Main VCO board
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STM32Josh Ox Ribbon Synth Ribbon board
193 × 69.9 mm151 parts4LCC-BY-4.01
Josh Ox Ribbon Synth Sample and Hold Board
40.6 × 203.2 mm69 parts2LCC-BY-4.01
Josh Ox Ribbon Synth Mod Osc board
123.2 × 76.2 mm68 parts2LCC-BY-4.01
Josh Ox Ribbon Synth power supply board
143.5 × 61 mm34 parts2LCC-BY-4.01
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