VCO-3340
About the VCO-3340 PCB
VCO-3340 is an open source PCB design by mort13, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 48.8 × 110 mm, with 102 components from 46 distinct parts.
Other key parts include the AS3340, LM337L_SO8, L78L05_TO92 and TL074. By type, the board carries 50 resistors, 19 capacitors, 10 connectors, 8 diodes, 4 ICs and 2 switches.
It belongs with the audio designs in this gallery.
From the project
Collection of diy synth projects
Main components on the VCO-3340
VCO-3340 bill of materials (BOM)
102 components, 46 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AS3340 | SOIC-16_3.9x9.9mm_P1.27mm | U1 |
| 1 | LM337L_SO8 | SOIC-8_3.9x4.9mm_P1.27mm | U2 |
| 1 | L78L05_TO92 | SOT89-3 | U3 |
| 1 | TL074 | SO-14_3.9x8.65mm_P1.27mm | U4 |
| 1 | 1V/oct in | PJ398SM | J1 |
| 1 | cv_mod_in | PJ398SM | J2 |
| 1 | pwm_mod_in | PJ398SM | J3 |
| 1 | fm_mod_in | PJ398SM | J4 |
| 1 | sync_in | PJ398SM | J5 |
| 1 | 1-1002FBV0T Eurorack_Power_10pin_Unshrouded TAD | PinHeader_2x05_P2.54mm_Vertical_shrouded | J6 |
| 1 | PULSE_OUT | PJ398SM | J7 |
| 1 | SAW_OUT | PJ398SM | J8 |
| 1 | TRI_OUT | PJ398SM | J9 |
| 1 | SIN_OUT | PJ398SM | J10 |
| 6 | 100K 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_withhole | RV2, RV3, RV5, RV7, RV8, RV9 |
| 3 | B10K B10k | Potentiometer_Vishay_T73XX_Horizontal | RV4, RV6, RV10 |
| 1 | PWM SRC SEL | Switch_Toggle_SPDT_SubMini | SW1 |
| 1 | SYNC MODE | Switch_Toggle_SPDT_SubMini | SW2 |
| 2 | 1N5819 | D_DO-41_SOD81_P2.54mm_Vertical_AnodeUp | D1, D2 |
| 6 | 1N4148 | D_SOD-323F | D3, D4, D5, D6, D7, D8 |
Show 26 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 1NF 1nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C1 |
| 6 | 100NF 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C5, C10, C11, C18, C19 |
| 4 | 10NF 10nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3, C7, C8, C9 |
| 2 | 1UF 1uF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C13 |
| 2 | 10UF/25V 10uF/25V | CP_Radial_D4.0mm_P2.00mm | C6, C12 |
| 2 | VE-470M1CTR-0505 10uF / 25 Lelon | CP_Radial_D4.0mm_P2.00mm | C14, C15 |
| 2 | 10PF 10pF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C16, C17 |
| 2 | 1K8 1k8 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R23 |
| 14 | 100K 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R4, R6, R8, R9, R18, R19 +6 |
| 1 | 360K 360k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 3 | 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R7, R15, R16 |
| 1 | 24K 24k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R10 |
| 1 | 5K6 5k6 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11 |
| 2 | 10K 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R12, R44 |
| 2 | 470 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R13, R14 |
| 3 | 22K 22k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R17, R48, R49 |
| 1 | 10M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R20 |
| 1 | 200K 200k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R21 |
| 1 | 360 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R22 |
| 2 | 10 | R_Axial_DIN0204_L3.6mm_D1.6mm_P1.90mm_Vertical | R24, R25 |
| 1 | 180K 180k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R26 |
| 3 | 91K 91k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R28, R35, R41 |
| 3 | 240K 240k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R30, R34, R40 |
| 6 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R31, R37, R38, R43, R45, R46 |
| 1 | 82K 82k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R39 |
| 2 | 560 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R47, R50 |
VCO-3340 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.
VCO-3340: common questions
How big is the VCO-3340 PCB?
The VCO-3340 measures 48.8 × 110 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the VCO-3340?
102 components, from 46 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 VCO-3340 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 VCO-3340 design in my own project?
Yes, under the terms of its GPL-3.0 license, which mort13 chose for the repository.
More boards in clandestine_circuitry
STM32Marbles v70
88.9 × 106.1 mm207 parts2LGPL-3.012
Teletype-180824
88.9 × 109.9 mm172 parts4LGPL-3.012
Wave Folder
35.6 × 110 mm80 parts2LGPL-3.012
VCA Panner
43 × 110 mm79 parts2LGPL-3.012
Confluence
20.3 × 113 mm69 parts2LGPL-3.012
Splt mlt
26 × 110 mm53 parts2LGPL-3.012
Feitw
19.1 × 100 mm40 parts2LGPL-3.012
Sloth
19.1 × 110 mm40 parts2LGPL-3.012
4Channe Mixer
49.5 × 98 mm39 parts2LGPL-3.012
Split mult
23 × 100 mm23 parts2LGPL-3.012
Similar boards
PicoGUS Hand386
polpo
29.2 × 75.2 mm43 parts4LGPL-2.0800
OtterCastAudioV2
Ottercast
50 × 49.3 mm216 parts4LMIT665
OtterCastAmp
96 × 100 mm250 parts4LMIT341
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