Vca
About the Vca PCB
Vca is an open source PCB design by eblade, published on GitHub. It is a 2-layer board measuring 99.1 × 99.1 mm, with 104 components from 33 distinct parts.
Other key parts include the TL084, SSI2164 and TL072. By type, the board carries 58 resistors, 19 capacitors, 14 connectors, 4 ICs and 4 diodes.
It belongs with the audio designs in this gallery.
From the project
Synth stuff
Main components on the Vca
Vca bill of materials (BOM)
104 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TL084 | DIP-14_W7.62mm_Socket | U1, U3 |
| 1 | SSI2164 | DIP-16_W7.62mm_Socket | U2 |
| 1 | TL072 | DIP-8_W7.62mm_Socket | U4 |
| 1 | CV1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J1 |
| 1 | CV2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J2 |
| 1 | CV3 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3 |
| 1 | CV4 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 1 | POWER | PinHeader_2x05_P2.54mm_Vertical | J5 |
| 1 | IN4 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J6 |
| 1 | IN3 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J7 |
| 1 | IN2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J8 |
| 1 | IN1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J9 |
| 1 | OUT1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J10 |
| 1 | OUT2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J11 |
| 1 | OUT3 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J12 |
| 1 | OUT4 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J13 |
| 1 | OUTMIX | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J14 |
| 4 | 100KB | Potentiometer_Alps_RK09L_Single_Vertical | RV1, RV2, RV3, RV4 |
| 1 | 100KA | Potentiometer_Alps_RK09L_Single_Vertical | RV5 |
| 4 | 1N5817 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2, D3, D4 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 10uF | CP_Radial_D5.0mm_P2.50mm | C1, C2 |
| 4 | 560p | C_Disc_D7.5mm_W2.5mm_P5.00mm | C3, C4, C5, C6 |
| 8 | 0.1uF | C_Disc_D7.5mm_W2.5mm_P5.00mm | C7, C8, C9, C10, C11, C12, C13, C14 |
| 3 | 100p | C_Disc_D7.5mm_W2.5mm_P5.00mm | C16, C17, C18 |
| 2 | 47p | C_Disc_D7.5mm_W2.5mm_P5.00mm | C19, C20 |
| 4 | 68K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R3, R5, R8 |
| 16 | 33K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2, R4, R6, R7, R10, R12, R13, R15 +8 |
| 4 | 91K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R9, R11, R14, R16 |
| 8 | 22K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R17, R18, R19, R20, R25, R26, R27, R30 |
| 8 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R21, R22, R23, R24, R49, R50, R51, R52 |
| 13 | 100K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R28, R29, R31, R45, R46, R47, R48, R53 +5 |
| 4 | 510R | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R36, R37, R39, R40 |
| 1 | 330R | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R58 |
Vca design files
The KiCad project lives in the eblade/synth repository on GitHub; these links point at the commit this page was built from.
- Layoutvca/vca/vca.kicad_pcb
Vca: common questions
How big is the Vca PCB?
The Vca measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Vca?
104 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the Vca design files?
From the eblade/synth repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Vca design in my own project?
The repository has no license, so all rights stay with eblade. Use it as a reference, and ask the author before reusing the design.
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