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Ring modulator

abrugsch·ring-modulator

Ring modulator PCB layout, top view — open source board by abrugsch

About the Ring modulator PCB

Ring modulator is an open source PCB design by abrugsch, published on GitHub under the Unlicense license. It is a 2-layer board measuring 63.5 × 47 mm, with 38 components from 26 distinct parts.

Other key parts include the LMC567N and TL071. By type, the board carries 13 connectors, 11 resistors, 9 capacitors, 3 diodes and 2 ICs.

It belongs with the audio designs in this gallery.

From the project

ring modulator pedal created from https://www.instructables.com/Ring-Modulator-Pedal/

Main components on the Ring modulator

LMC567NTL071

Ring modulator bill of materials (BOM)

38 components, 26 distinct parts.

QtyPartRefs
1
LMC567N
U1
1
TL071
U2
1
9V+
J1
1
R12A
J2
1
R12B
J3
1
IN+
J4
1
IN-
J5
1
OUT+
J6
1
OUT-
J7
1
R13A
J8
1
R13B
J9
1
R14A
J10
1
R14B
J11
1
R14C
J12
1
GND
J13
2
1N34N
D1, D2
1
LED1
D3
1
100uF
C1
4
10nF
C2, C4, C8, C9
2
100nF
C3, C5
Show 6 more
QtyPartRefs
1
10uF
C6
1
470pF
C7
8
100K
R1, R3, R5, R6, R8, R9, R10, R11
1
10K
R2
1
4.7K
R4
1
1M
R7

Ring modulator design files

The KiCad project lives in the abrugsch/ring-modulator 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 63.5 × 47 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Ring modulator?

38 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the Ring modulator design files?

From the abrugsch/ring-modulator repository on GitHub, which has the KiCad layout and the schematic; 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 Unlicense license, which abrugsch chose for the repository.

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