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ToneCTRL

dmsd-lab·AMP8611·Tone_control_1/tone_control_1.kicad_pcb

ToneCTRL PCB layout, top view — open source board by dmsd-lab

About the ToneCTRL PCB

ToneCTRL is an open source PCB design by dmsd-lab, published on GitHub under the CERN-OHL-S-2.0 license. It is a 2-layer board measuring 45 × 45 mm, with 72 components from 19 distinct parts.

Other key parts include the OPA1678, TLV9051XDBV and MCP4261. By type, the board carries 35 capacitors, 26 resistors, 6 ICs, 3 connectors and 2 diodes.

It belongs with the audio designs in this gallery.

From the project

AMP8611 - Integrated Stereo Power Amplifier with a 2-channel input selector, PGA2311 digital volume control and LM3886 power stages

Open hardware project under CERN-OHL-S v2 license

Amplifier combining a 2-channel input selector, PGA2311 digital volume control and 45W per-channel LM3886 output stages.

Full documentation (description pdf, Kicad project schematic and PCB, Gerber files, BOM, STM32 firmware) is available in the repository.

Key Specifications: - Input resistance: 10kΩ; - Nominal input voltage: 0.85Vrms; - Maximum input voltage: 2.5Vrms; - Input Channels isolation: 95dB; - Maximum output power: 2 x 45W RMS (1kHz sinusoidal, 4ohm load); - Bandwidth (-3dB): 20Hz – 90kHz; - Volume control: -80 to +12dB; -…

ToneCTRL, from the project README
From the project README

Main components on the ToneCTRL

OPA1678TLV9051XDBVMCP4261

ToneCTRL bill of materials (BOM)

72 components, 19 distinct parts — part numbers from the project's BOM.

QtyPartRefs
3
OPA1678
U101, U102, U103
1
TLV9051XDBV
TLV9051xDBV
U104
2
MCP4261
U105, U106
1
CONN_01X01
Conn_01x01
J101
1
CONN_01X05
Conn_01x05
J102
1
CONN_01X05
Conn_01x05
J103
2
1N5819
D101, D102
13
100N
100n
C101, C102, C103, C105, C106, C107, C108, C111 +5
2
10U
10u
C104, C112
2
33U
33u
C109, C110
6
220P
220p
C114, C115, C126, C129, C132, C133
4
33P
33p
C116, C117, C118, C120
2
1,5u
C119, C121
2
10N
10n
C122, C123
4
100N
100n
C127, C128, C130, C131
16
10K
10k
R101, R102, R104, R106, R109, R110, R111, R112 +8
2
15K
15k
R103, R105
2
100
R107, R108
6
3,3k
R115, R116, R119, R121, R123, R125

ToneCTRL design files

The KiCad project lives in the dmsd-lab/AMP8611 repository on GitHub; these links point at the commit this page was built from.

ToneCTRL: common questions

How big is the ToneCTRL PCB?

The ToneCTRL measures 45 × 45 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the ToneCTRL?

72 components, from 19 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 ToneCTRL design files?

From the dmsd-lab/AMP8611 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 ToneCTRL design in my own project?

Yes, under the terms of its CERN-OHL-S-2.0 license, which dmsd-lab chose for the repository.

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