Dual VCA #2 Main
About the Dual VCA #2 Main PCB
Dual VCA #2 Main is an open source PCB design by mzuelch, published on GitHub under the MIT license. It is a 2-layer board measuring 58.4 × 101.6 mm, with 63 components from 44 distinct parts.
Other key parts include the TL084 and LM13700. By type, the board carries 38 resistors, 11 connectors, 6 capacitors, 4 transistors, 2 ICs and 2 diodes.
It belongs with the audio designs in this gallery.
From the project
Analog Synth Eurorack Modules
Main components on the Dual VCA #2 Main
Dual VCA #2 Main bill of materials (BOM)
63 components, 44 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL084 | DIP-14_W7.62mm_Socket_LongPads | IC1 |
| 1 | LM13700 | DIP-16_W7.62mm_Socket_LongPads | IC2 |
| 2 | 2N3904 | TO-92_Inline | Q1, Q3 |
| 2 | 2N3906 | TO-92_Inline | Q2, Q4 |
| 1 | Pot #1 | PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | CV In #1 | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Sig In #1 | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | SW #1 | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | Sig Out #1 | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | Pot #2 | PinHeader_1x03_P2.54mm_Vertical | J6 |
| 1 | Power | Power_2x5_Vertical | J7 |
| 1 | CV In #2 | PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | Sig In #2 | PinHeader_1x02_P2.54mm_Vertical | J9 |
| 1 | SW #2 | PinHeader_1x03_P2.54mm_Vertical | J10 |
| 1 | Sig Out #2 | PinHeader_1x02_P2.54mm_Vertical | J11 |
| 2 | BAV99 1N5817 | D_DO-41_SOD81_P10.16mm_Horizontal | D1, D2 |
| 1 | 100UF/6.3V 10µF/63V | CP_Radial_D5.0mm_P2.50mm | C1 |
| 1 | 10µF/63V | CP_Radial_D5.0mm_P2.50mm | C2 |
| 3 | 10UF/16V 100n | C_Disc_D3.0mm_W2.0mm_P2.50mm | C3, C4, C5 |
| 1 | 100N 100n | C_Disc_D3.0mm_W2.0mm_P2.50mm | C6 |
Show 24 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 3K3 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2 |
| 1 | 33K 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R3 |
| 1 | 33K 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P12.70mm_Horizontal | R4 |
| 1 | 7K5 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R5 |
| 2 | 10K 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R6, R10 |
| 1 | 33K 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R7 |
| 1 | 33K 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R8 |
| 1 | 10K 120k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R9 |
| 1 | 27K 470R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R11 |
| 1 | 1K5 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R12 |
| 1 | 10K 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R13 |
| 2 | 30k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R14, R34 |
| 2 | 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R15, R35 |
| 2 | 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R16, R36 |
| 6 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R17, R22, R26, R27, R30, R37 |
| 2 | 220R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R18, R38 |
| 2 | 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R19, R39 |
| 2 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R20, R40 |
| 2 | 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P2.54mm_Vertical | R23, R28 |
| 1 | 2k | R_Axial_DIN0207_L6.3mm_D2.5mm_P12.70mm_Horizontal | R24 |
| 1 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R25 |
| 1 | 120k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R29 |
| 1 | 470R | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R31 |
| 2 | 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R32, R33 |
Dual VCA #2 Main design files
The KiCad project lives in the mzuelch/CATs-Eurosynth repository on GitHub; these links point at the commit this page was built from.
Dual VCA #2 Main: common questions
How big is the Dual VCA #2 Main PCB?
The Dual VCA #2 Main measures 58.4 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Dual VCA #2 Main?
63 components, from 44 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 Dual VCA #2 Main design files?
From the mzuelch/CATs-Eurosynth repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the Dual VCA #2 Main design in my own project?
Yes, under the terms of its MIT license, which mzuelch chose for the repository.
More boards in CATs-Eurosynth
MFOS Eight Stage Phase Shifter - Main
27.9 × 101.6 mm104 parts2LMIT165
Abakus Main
69.9 × 108 mm87 parts2LMIT165
VCF Diode Ladder Filter
27.9 × 101.6 mm65 parts2LMIT165
Baby 8
68.6 × 107.3 mm62 parts2LMIT165
AVR/ArduinoHAGIWO Sync LFO Main
29.2 × 101.6 mm50 parts2LMIT165
Buffered Multiple SMD Main
38.1 × 101.6 mm49 parts2LMIT165
Slimline Clock Divider SMD Main
38.1 × 101.6 mm48 parts2LMIT165
Sample and Hold SMD Main
38.1 × 101.6 mm41 parts2LMIT165
Rectifier Main
38.1 × 101.6 mm33 parts2LMIT165
Envelope Follower Main
31.8 × 101.6 mm31 parts2LMIT165
Similar boards
OtterCastAudioV2
Ottercast
50 × 49.3 mm216 parts4LMIT665
FunBox
GuitarML
59.7 × 67.5 mm63 parts2LMIT278
Eurorack pmod
apfaudio
35 × 110 mm116 parts4LCERN-OHL-S-2.0239
XassetteAsterisk
SdtElectronics
56 × 56 mm137 parts2LCERN-OHL-W-2.0229
AddOnC
freeDSP
380 × 45 mm97 parts2LCC-BY-SA-4.0222
AddOnA
178 × 39 mm55 parts2LCC-BY-SA-4.0222