Vcf
About the Vcf PCB
Vcf is an open source PCB design by eblade, published on GitHub. It is a 2-layer board measuring 99.1 × 99.1 mm, with 80 components from 40 distinct parts.
Other key parts include the TL072, AS3320 and 4066. By type, the board carries 40 resistors, 14 capacitors, 6 connectors, 5 ICs, 3 diodes and 1 switch.
It belongs with the audio designs in this gallery.
From the project
Synth stuff
Main components on the Vcf
Vcf bill of materials (BOM)
80 components, 40 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | TL072 | DIP-8_W7.62mm_Socket | U1, U2 |
| 1 | AS3320 | DIP-18_W7.62mm | U3 |
| 2 | 4066 | DIP-14_W7.62mm_Socket | U4, U5 |
| 1 | 1V/Oct | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J1 |
| 1 | CVF | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J2 |
| 1 | CVR | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3 |
| 1 | AUDIO IN | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 1 | EURO | PinHeader_2x05_P2.54mm_Vertical | J5 |
| 1 | AUDIO OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J6 |
| 3 | 100K ATT | Potentiometer_Alps_RK09L_Single_Vertical | RV1, RV4, RV6 |
| 1 | 100K COARSE | Potentiometer_Alps_RK09L_Single_Vertical | RV2 |
| 1 | 100K FINE | Potentiometer_Alps_RK09L_Single_Vertical | RV3 |
| 1 | 100K INI RES | Potentiometer_Alps_RK09L_Single_Vertical | RV5 |
| 1 | 50K V/Oct Trim | Potentiometer_Bourns_3296W_Vertical | RV7 |
| 1 | 100K Cell offset | Potentiometer_Bourns_3296W_Vertical | RV8 |
| 1 | 1K CV Rejection Trim | Potentiometer_Bourns_3296W_Vertical | RV9 |
| 1 | 100K Output Offset Trim | Potentiometer_Bourns_3296W_Vertical | RV10 |
| 1 | 100K BLEND | Potentiometer_Alps_RK09L_Single_Vertical | RV11 |
| 1 | SW_SPST ON-ON | SW_Toggle_Blue_wSlots | SW1 |
| 2 | 1N4004 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
Show 20 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D3 |
| 7 | 100n | C_Disc_D3.0mm_W1.6mm_P2.50mm | C1, C2, C4, C5, C7, C8, C9 |
| 4 | 330p (poly) | C_Disc_D6.0mm_W2.5mm_P5.00mm | C3, C6, C10, C13 |
| 2 | 10u | CP_Radial_Tantal_D5.0mm_P2.50mm | C11, C12 |
| 1 | 1uF/16V | CP_Radial_Tantal_D5.0mm_P2.50mm | C14 |
| 15 | 100K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R1, R3, R5, R6, R8, R9, R11, R16 +7 |
| 1 | 39K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R2 |
| 1 | 3.3M | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R4 |
| 5 | 220K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R7, R15, R18, R21, R25 |
| 2 | 82K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R10, R30 |
| 1 | 110K (100K) | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R12 |
| 1 | 2K (1.8K) | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R13 |
| 4 | 91K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R14, R17, R20, R24 |
| 2 | 1M | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R22, R34 |
| 1 | 1K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R26 |
| 2 | 10R | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R28, R29 |
| 1 | 33K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R31 |
| 2 | 10K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R33, R35 |
| 1 | 2K | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R39 |
| 1 | 2K2 | R_Axial_DIN0204_L3.6mm_D1.6mm_P7.62mm_Horizontal | R40 |
Vcf design files
The KiCad project lives in the eblade/synth repository on GitHub; these links point at the commit this page was built from.
- Layoutvcf/vcf/vcf.kicad_pcb
Vcf: common questions
How big is the Vcf PCB?
The Vcf measures 99.1 × 99.1 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Vcf?
80 components, from 40 distinct parts. The full bill of materials is listed on this page.
Where can I download the Vcf 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 Vcf 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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