Confluence
About the Confluence PCB
Confluence is an open source PCB design by mort13, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 20.3 × 113 mm, with 69 components from 37 distinct parts.
Other key parts include the TL074. By type, the board carries 24 resistors, 20 capacitors, 15 connectors, 3 ICs, 2 diodes and 1 switch.
It belongs with the audio designs in this gallery.
From the project
Collection of diy synth projects
Main components on the Confluence
Confluence bill of materials (BOM)
69 components, 37 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | TL074 | SOIC-14_3.9x8.7mm_P1.27mm | U1, U2, U3 |
| 1 | Left in | PJ398SM | J1 |
| 1 | Right in | PJ398SM | J2 |
| 2 | AudioBus | Pins_2x05_2.54mm_TH_Europower_shrouded | J3, J4 |
| 1 | Right Out | PJ398SM | J5 |
| 1 | Left Out | PJ398SM | J6 |
| 1 | Send 1 L | PJ398SM | J8 |
| 1 | Send 1 R | PJ398SM | J9 |
| 1 | Send 2 L | PJ398SM | J10 |
| 1 | Send 2 R | PJ398SM | J11 |
| 1 | Return 1 L | PJ398SM | J12 |
| 1 | Return 1 R | PJ398SM | J13 |
| 1 | Return 2 L | PJ398SM | J14 |
| 1 | Return 2 R | PJ398SM | J15 |
| 1 | Power | Pins_2x05_2.54mm_TH_Europower_shrouded | J16 |
| 1 | Panning | Potentiometer_Alpha_RD901F-40-00D_dual_Vertical_withhole | RV1 |
| 1 | Volume | Potentiometer_Alpha_RD901F-40-00D_dual_Vertical_withhole | RV2 |
| 1 | Send | Potentiometer_Alpha_RD901F-40-00D_dual_Vertical_withhole | RV3 |
| 1 | Main Volume | Potentiometer_Alpha_RD901F-40-00D_dual_Vertical_withhole | RV4 |
| 1 | Send 1/2 | Switch_Toggle_DPDT_SubMini | SW1 |
Show 17 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1N5819HW 1N5819 | D_DO-41_SOD81_P2.54mm_Vertical_AnodeUp | D1, D2 |
| 5 | 100N 10pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1, C7, C8, C9, C12 |
| 4 | 22U 10pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C3, C5, C11 |
| 2 | 20P 10pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C6 |
| 1 | 2.2U 10pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10 |
| 4 | 100N 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C17, C18, C19, C24 |
| 2 | 22U 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C22, C23 |
| 2 | VE-470M1CTR-0505 10uF / 25 Lelon | CP_Radial_D4.0mm_P2.00mm | C25, C26 |
| 4 | 50k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R13, R14, R21 |
| 3 | 100 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R7 |
| 4 | 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R5, R16, R20 |
| 2 | 10K 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R6, R23 |
| 1 | 100 50k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8 |
| 4 | 2.2K 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R9, R11, R15, R19 |
| 4 | 1.5K 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10, R12, R17, R18 |
| 1 | 10K 50k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R22 |
| 1 | 100K 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R24 |
Confluence design files
The KiCad project lives in the mort13/clandestine_circuitry repository on GitHub; these links point at the commit this page was built from.
Confluence: common questions
How big is the Confluence PCB?
The Confluence measures 20.3 × 113 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Confluence?
69 components, from 37 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 Confluence design files?
From the mort13/clandestine_circuitry 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 Confluence design in my own project?
Yes, under the terms of its GPL-3.0 license, which mort13 chose for the repository.
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