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Lyrebird main

tm-treehouse·lyrebird·hardware/lyrebird-main-reva/lyrebird-main.kicad_pcb

Lyrebird main PCB layout, top view — open source board by tm-treehouse

About the Lyrebird main PCB

Lyrebird main is an open source PCB design by tm-treehouse, published on GitHub. It is a 2-layer board measuring 254.1 × 77.1 mm, with 133 components from 27 distinct parts.

Other key parts include the CCGM1A1, FT601Q, LT3045, LTM4622IV#PBF and MX25R6435F. By type, the board carries 100 capacitors, 22 resistors, 5 ICs, 3 connectors, 1 transistor and 1 crystal.

It belongs with the audio designs in this gallery.

From the project

Two boards, split at the I2S boundary per 0007. The contract between them is interface.md.

Two boards, split at the I2S boundary per 0007. The contract between them is interface.md.

The boards are described as code, not drawn. netlist/ holds SKiDL generators that emit KiCad netlists; see netlist/README.md for why, and for what is a real part versus a placeholder. Unconnected pins in the generated netlist are the honest measure of how finished a board is, which is why a missing part shows up as an open pin rather than as something nobody wrote down.

Main components on the Lyrebird main

CCGM1A1FT601QLT3045LTM4622IV#PBFMX25R6435F

Lyrebird main bill of materials (BOM)

133 components, 27 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CCGM1A1
CCGM1A1-BGA324
Cologne Chip
U1
1
FT601Q
FTDI
U2
1
LT3045
Analog Devices
U3
1
LTM4622IV#PBF
U4
1
MX25R6435F
U6
1
BSS138
Q1
1
ABM8G-30.000MHZ-18-D2Y-T
Y1
1
Connfly
J1
1
Mezzanine
J2
1
JTAG
J3
1
BLM18PG221SN1D
FB1
4
100NF
4.7uF
C1, C8, C13, C14
67
100NF
100nF
C2, C3, C4, C5, C6, C7, C20, C21 +59
2
100NF
10uF
C9, C10
2
100NF
10nF
C11, C12
2
100NF
22uF
C15, C16
2
100NF
27pF
C17, C18
1
100NF
2.2uF
C19
20
100nF
C81, C82, C83, C84, C85, C86, C87, C88 +12
1
10K
33.2k
R1
Show 7 more
QtyPartRefs
1
10K
19.1k
R2
1
90.9k
R3
1
649k
R4
4
100k
R5, R6, R7, R8
1
1.6k
R9
12
10k
R10, R11, R12, R13, R14, R15, R17, R18 +4
1
47k
R16

Lyrebird main design files

The KiCad project lives in the tm-treehouse/lyrebird repository on GitHub; these links point at the commit this page was built from.

Lyrebird main: common questions

How big is the Lyrebird main PCB?

The Lyrebird main measures 254.1 × 77.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Lyrebird main?

133 components, from 27 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 Lyrebird main design files?

From the tm-treehouse/lyrebird 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 Lyrebird main design in my own project?

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

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