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DUAL VCA

Desval27·FormantKO·modules/DUAL_VCA/DUAL_VCA.kicad_pcb

DUAL VCA PCB layout, top view — open source board by Desval27
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About the DUAL VCA PCB

DUAL VCA is an open source PCB design by Desval27, published on GitHub under the MIT license. It is a 2-layer board measuring 160 × 100 mm, with 68 components from 51 distinct parts.

Other key parts include the CA3084, LM723, µA741C and CA3080. By type, the board carries 30 resistors, 15 connectors, 8 ICs, 6 diodes, 6 capacitors and 1 switch.

It belongs with the audio designs in this gallery.

From the project

Knock-off of the Elektor Formant Synthesizer project with the initial goal of being quasi-authentic and secondary goal undecided. Probably tweaks of some kind.

- Schematic - Assembly - Interactive Bill of Materials

- Default - Elecrow - FusionPCB - JLCPCB - PCBWay

DUAL VCA, from the project README
From the project README

Main components on the DUAL VCA

CA3084LM723µA741CCA3080

DUAL VCA bill of materials (BOM)

68 components, 51 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CA3084
IC1
2
LM723
µA741C
IC2, IC3
3
µA741C
IC4, IC5, IC8
2
CA3080
IC6, IC7
1
CardConnector
J1
1
ENV SELECT
J2
1
IS SELECT
J3
1
IOS SELECT
J4
1
ES
J5
1
AM
J6
1
EOS
J7
2
2K5
100k
P1, P2
1
2K5
1k
P3
1
10k
P4
1
100k
P5
1
4k7
P6
2
100k
P7, P8
1
CardBracket
MH1
1
ENV
S1
1
2N3055
BC177C
T1
Show 31 more
QtyPartRefs
3
1N4002
1N34a
D1, D2, D3
1
1N34a
D4
1
D_LED
D5
1
1N4148
D6
2
1n
C1, C6
2
680n
C2, C5
2
100N
680n
C3, C4
1
3K9
6k8
R1
1
3K9
3k3
R2
1
2R7
100k
R3
1
2R7
4k7
R4
1
2R7
47k
R5
1
2R7
330k
R6
1
2k2
R7
2
330k
R8, R27
2
22K
27k
R9, R10
2
6K8
2k2
R11, R14
2
6K8
12k
R12, R13
2
680R
100k
R15, R16
1
2K7
33k
R17
1
8K2
100k
R18
1
2R7
12k
R19
1
2R7
100R
R20
1
2K2
3k9
R21
1
2K7
470R
R22
1
15K
100R
R23
1
150R
330k
R24
1
12k
R25
2
100R
R26, R28
1
15k
R29
1
470R
R30

DUAL VCA design files

The KiCad project lives in the Desval27/FormantKO repository on GitHub; these links point at the commit this page was built from.

DUAL VCA: common questions

How big is the DUAL VCA PCB?

The DUAL VCA measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the DUAL VCA?

68 components, from 51 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 design files?

From the Desval27/FormantKO 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 DUAL VCA design in my own project?

Yes, under the terms of its MIT license, which Desval27 chose for the repository.

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