Assembly
About the Assembly PCB
Assembly is an open source PCB design by GarablueX, published on GitHub. It is a 2-layer board measuring 80 × 120 mm, with 72 components from 27 distinct parts.
Other key parts include the TL074 and TL072. By type, the board carries 34 resistors, 12 diodes, 11 connectors, 4 transistors, 3 ICs and 2 capacitors.
It belongs with the audio designs in this gallery.
From the project
a Real-Time Adaptive Signal Conditioning System for Wide Dynamic Range Inputs.
This project is sponsored by PCBWay, a leading PCB manufacturing service provider.
PCBWay is supporting the fabrication of prototype hardware for this system, enabling real-world validation and testing beyond simulation. Their sponsorship demonstrates commitment to supporting engineering education and open-source development.
Manufacturing Partner: PCBWay - Professional PCB Services
Main components on the Assembly
Assembly bill of materials (BOM)
72 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL074 | DIP-14_W7.62mm | U1 |
| 2 | TL072 | DIP-8_W7.62mm | U2, U3 |
| 4 | Q_NPN_BCE | TO-92 | Q1, Q2, Q3, Q4 |
| 1 | AudioIn | Jack_6.35mm_Neutrik_NJ2FD-V_Vertical | J1 |
| 1 | Conn_01x03_Pin | PhoenixContact_MCV_1,5_3-G-5.08_1x03_P5.08mm_Vertical | J2 |
| 1 | CVOUT(AMPIN) | PinHeader_1x01_P2.54mm_Vertical | J3 |
| 1 | PDOUT(IN) | PinHeader_1x01_P2.54mm_Vertical | J4 |
| 1 | AudioOut | Jack_6.35mm_Neutrik_NJ2FD-V_Vertical | J5 |
| 1 | CVOUT | PinHeader_1x01_P2.54mm_Vertical | J6 |
| 1 | PDOUT | PinHeader_1x01_P2.54mm_Vertical | J7 |
| 1 | AMPOUT | PinHeader_1x01_P2.54mm_Vertical | J8 |
| 1 | AMPOUT/OUT | PinHeader_1x01_P2.54mm_Vertical | J9 |
| 1 | -12Vss | PinHeader_1x01_P2.54mm_Vertical | J10 |
| 1 | -12ss | PinHeader_1x01_P2.54mm_Vertical | J11 |
| 5 | 100K | Potentiometer_Bourns_3386P_Vertical | RV1, RV2, RV3, RV4, RV5 |
| 1 | SW_DPDT_x2 | SW_CK_JS202011CQN_DPDT_Straight | SW1 |
| 7 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2, D3, D4, D5, D6, D7 |
| 5 | LED | LED_D3.0mm_Horizontal_O1.27mm_Z2.0mm | D8, D9, D10, D11, D12 |
| 2 | 10u | C_Radial_D6.3mm_H5.0mm_P2.50mm | C1, C2 |
| 3 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R4, R18 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 13 | 100K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2, R3, R7, R9, R11, R13, R14, R15 +5 |
| 6 | 100 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R5, R6, R25, R26, R27, R29 |
| 2 | 10K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R8, R10 |
| 2 | 50K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R12, R24 |
| 2 | 5K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R17, R23 |
| 1 | 400 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R28 |
| 5 | 4.7K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R30, R31, R32, R33, R34 |
Assembly design files
The KiCad project lives in the GarablueX/Signal-Conditioning-System repository on GitHub; these links point at the commit this page was built from.
Assembly: common questions
How big is the Assembly PCB?
The Assembly measures 80 × 120 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Assembly?
72 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the Assembly design files?
From the GarablueX/Signal-Conditioning-System repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Assembly design in my own project?
The repository has no license, so all rights stay with GarablueX. Use it as a reference, and ask the author before reusing the design.
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