RING MODULATOR
About the RING MODULATOR PCB
RING MODULATOR 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 60 components from 48 distinct parts.
Other key parts include the LM1496 and LM723. By type, the board carries 33 resistors, 12 capacitors, 9 connectors, 3 diodes and 2 ICs.
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.
- Translated Source - Schematic - Assembly - Interactive Bill of Materials
- Default - Elecrow - FusionPCB - JLCPCB - PCBWay
Main components on the RING MODULATOR
RING MODULATOR bill of materials (BOM)
60 components, 48 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | LM1496 | DIP-14 | IC1 |
| 1 | LM723 TL074 | DIP-14 | IC2 |
| 1 | Card_Connector | CardConnector | J1 |
| 1 | A | PanelConnector_1x02 | J2 |
| 1 | B | PanelConnector_1x02 | J3 |
| 1 | ES | PanelConnector_1x02 | J4 |
| 1 | OUT | PanelConnector_1x02 | J5 |
| 1 | ENV | PanelConnector_1x02 | J6 |
| 1 | 2K5 10k | PanelConnector_1x03 | P1 |
| 1 | 2K5 220R | Potentiometer_Trimmer | P2 |
| 1 | 2K5 500R | Potentiometer_Trimmer | P3 |
| 1 | CardBracket | CardBracket | MH1 |
| 3 | 1N4002 DUS | DUS | D1, D2, D3 |
| 1 | 100µ | CP_Axial_600_800 | C1 |
| 1 | 120n | C_Rect_300_400 | C2 |
| 1 | 100N 120n | C_Rect_300_400 | C3 |
| 1 | 100N 180n | C_Rect_300_400 | C4 |
| 2 | 22n | C_Rect_300_400 | C5, C8 |
| 2 | 220n | C_Rect_300_400 | C6, C7 |
| 1 | 100N 470n | C_Rect_300_400 | C9 |
Show 28 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 470n | C_Rect_300_400 | C10 |
| 2 | 100N 680n | C_Rect_400_500 | C11, C12 |
| 1 | 3K9 27k | R_Axial_Horizontal | R1 |
| 1 | 3K9 12k | R_Axial_Horizontal | R2 |
| 2 | 2R7 2k7 | R_Axial_Horizontal | R3, R4 |
| 1 | 2R7 12k | R_Axial_Horizontal | R5 |
| 1 | 2R7 1k5 | R_Axial_Horizontal | R6 |
| 1 | 1k5 | R_Axial_Horizontal | R7 |
| 1 | 27k | R_Axial_Horizontal | R8 |
| 1 | 22K 27k | R_Axial_Horizontal | R9 |
| 1 | 22K 6k8 | R_Axial_Horizontal | R10 |
| 2 | 6K8 2k7 | R_Axial_Horizontal | R11, R13 |
| 2 | 6K8 6k8 | R_Axial_Horizontal | R12, R14 |
| 2 | 680R 1k2 | R_Axial_Horizontal | R15, R16 |
| 1 | 2K7 15k | R_Axial_Horizontal | R17 |
| 1 | 8K2 15k | R_Axial_Horizontal | R18 |
| 2 | 2R7 15k | R_Axial_Horizontal | R19, R20 |
| 1 | 2K2 470R | R_Axial_Horizontal | R21 |
| 1 | 2K7 5k6 | R_Axial_Horizontal | R22 |
| 1 | 15K 820k | R_Axial_Horizontal | R23 |
| 1 | 150R 5k6 | R_Axial_Horizontal | R24 |
| 2 | 18k | R_Axial_Horizontal | R25, R27 |
| 2 | 68k | R_Axial_Horizontal | R26, R28 |
| 1 | 680k | R_Axial_Horizontal | R29 |
| 1 | 220k | R_Axial_Horizontal | R30 |
| 1 | 10k | R_Axial_Horizontal | R31 |
| 1 | 47k | R_Axial_Horizontal | R32 |
| 1 | 470R | R_Axial_Horizontal | R33 |
RING MODULATOR design files
The KiCad project lives in the Desval27/FormantKO repository on GitHub; these links point at the commit this page was built from.
RING MODULATOR: common questions
How big is the RING MODULATOR PCB?
The RING MODULATOR measures 160 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the RING MODULATOR?
60 components, from 48 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 RING MODULATOR 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 RING MODULATOR design in my own project?
Yes, under the terms of its MIT license, which Desval27 chose for the repository.
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