Mu100-dit
About the Mu100-dit PCB
Mu100-dit is an open source PCB design by nikitalita, published on GitHub under the MIT license. It is a 4-layer board measuring 18 × 49.5 mm, with 21 components from 10 distinct parts.
Other key parts include the TOTX-177L, AK4103A and APX809S-46SR-7. By type, the board carries 9 jumpers, 4 capacitors, 3 ICs, 2 resistors, 1 crystal and 1 connector.
It belongs with the audio designs in this gallery.
From the project
An optical-out mod for Yamaha Synths. Little-to-no board modification required for MU100/MU90
A modification for Yamaha synthesizers to add optical audio out.
This mod has been especially designed for: Yamaha MU100 Yamaha MU100R Yamaha MU90 Yamaha MU90R
For these synths, a connector board has been designed that enables this mod to be installed with little-to-no board modification.
On the MU100/MU90, this involves soldering an unpopulated header and bridging some pads.
Main components on the Mu100-dit
Mu100-dit bill of materials (BOM)
21 components, 10 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TOTX-177L | Toshiba_TOTX177 | U1 |
| 1 | AK4103A | TSSOP-24_6.1x7.8mm_P0.65mm | U2 |
| 1 | APX809S-46SR-7 | SOT-23_Handsoldering | U3 |
| 1 | RCA | CUI_RCJ-044 | X1 |
| 1 | Conn_01x9_Female | JST_PH_B9B-PH-K_1x09_P2.00mm_Vertical | J1 |
| 9 | Jumper_NO_Small | SolderJumper-Open_RoundedPad-custom | JP1, JP2, JP3, JP4, JP5, JP6, JP7, JP8 +1 |
| 1 | PE-65612NL | PE65612NL | T1 |
| 4 | 0.1u/35V | C_0402_1005Metric | C1, C2, C3, C4 |
| 1 | 330 | R_0402_1005Metric | R1 |
| 1 | 100 | R_0402_1005Metric | R2 |
Mu100-dit design files
The KiCad project lives in the nikitalita/MU100-DIT repository on GitHub; these links point at the commit this page was built from.
Mu100-dit: common questions
How big is the Mu100-dit PCB?
The Mu100-dit measures 18 × 49.5 mm, has 4 copper layers and is 4.69 mm thick.
How many components are on the Mu100-dit?
21 components, from 10 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mu100-dit design files?
From the nikitalita/MU100-DIT repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Mu100-dit design in my own project?
Yes, under the terms of its MIT license, which nikitalita chose for the repository.
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