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AmpTwo

ohdsp·AmpTwo·KiCad/AmpTwo.kicad_pcb

AmpTwo PCB layout, top view — open source board by ohdsp
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About the AmpTwo PCB

AmpTwo is an open source PCB design by ohdsp, published on GitHub. It is a 2-layer board measuring 100 × 100 mm, with 175 components from 24 distinct parts.

Other key parts include the TLE2082 and TLE2081. By type, the board carries 84 resistors, 58 capacitors, 8 diodes, 6 ICs and 5 connectors.

It belongs with the audio designs in this gallery.

From the project

Open Hardware DSP Platform - Dual Independant Stereo Headphone Amplifiers - Open Source Hardware - Untested

This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE.

This is Open Hardware DSP Platform AmpTwo Module.

This is a dual independant stereo headphone amplifier with analogue volume control. All 4 channels are fed from different DAC outputs from the ADAU1966 DAC module.

Main components on the AmpTwo

TLE2082TLE2081

AmpTwo bill of materials (BOM)

175 components, 24 distinct parts — part numbers from the project's BOM.

QtyPartRefs
2
TLE2082
U201, U202
4
TLE2081
U301, U302, U303, U304
2
CONN_6.35MM_SW_FCR11155_ACJS-MHDR
CONN_6.35mm_SW_FCR11155_ACJS-MHDR
CN301, CN302
2
CONN_2X1
CONN_2x1
P101, P102
1
CONN_02X10
P201
4
MNT_HOLE
MNT101, MNT102, MNT103, MNT104
4
BCP56-16
BCP56−16
TR301, TR302, TR305, TR306
4
BCP53-16
BCP53−16
TR303, TR304, TR307, TR308
2
100K
100k
VR201, VR202
8
1N4148W
D301, D302, D303, D304, D305, D306, D307, D308
10
220U
220u
C101, C103, C201, C231, C301, C303, C311, C312 +2
8
100N
100n
C102, C104, C202, C232, C302, C304, C314, C316
12
1n
C203, C206, C207, C210, C213, C214, C217, C220 +4
8
100U
100u
C204, C205, C211, C212, C218, C219, C225, C226
12
100N
100n
C208, C209, C215, C216, C222, C223, C229, C230 +4
8
220P
220p
C305, C306, C307, C308, C317, C318, C319, C320
12
100
R201, R205, R207, R210, R215, R217, R220, R225 +4
8
1K3
1k3
R202, R208, R211, R218, R221, R228, R231, R238
8
100K
100k
R203, R206, R213, R216, R223, R226, R233, R236
8
1K5
1k5
R204, R209, R214, R219, R224, R229, R234, R239
Show 4 more
QtyPartRefs
4
22K
22k
R212, R222, R232, R240
8
4K7
4k7
R301, R302, R321, R322, R323, R324, R343, R344
20
10
R303, R304, R305, R306, R313, R314, R315, R316 +12
16
10K
10k
R307, R308, R309, R310, R311, R312, R319, R320 +8

AmpTwo design files

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

AmpTwo: common questions

How big is the AmpTwo PCB?

The AmpTwo measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the AmpTwo?

175 components, from 24 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 AmpTwo design files?

From the ohdsp/AmpTwo repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the AmpTwo design in my own project?

The repository has no license, so all rights stay with ohdsp. Use it as a reference, and ask the author before reusing the design.

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