MiniOSC
About the MiniOSC PCB
MiniOSC is an open source PCB design by benjiaomodular, published on GitHub under the CC-BY-SA-4.0 license. It is a 2-layer board measuring 94.1 × 128.5 mm, with 51 components from 30 distinct parts.
Other key parts include the TL074 and 40106. By type, the board carries 18 resistors, 8 connectors, 8 capacitors, 3 diodes, 2 ICs and 2 transistors.
From the project
A schmitt-trigger inverter based sawtooth and pulse oscillator module
You can also download my files from https://github.com/benjiaomodular/MiniOSC/blob/main/fabrication/
This work is licensed under a [Creative Commons Attribution-ShareAlike 4.0 International License][cc-by-sa].
[cc-by-sa]: http://creativecommons.org/licenses/by-sa/4.0/ [cc-by-sa-image]: https://licensebuttons.net/l/by-sa/4.0/88x31.png [cc-by-sa-shield]: https://img.shields.io/badge/License-CC%20BY--SA%204.0-lightgrey.svg
Main components on the MiniOSC
MiniOSC bill of materials (BOM)
51 components, 30 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL074 | DIP-14_W7.62mm_Socket | U1 |
| 1 | 40106 | DIP-14_W7.62mm_Socket | U2 |
| 1 | BC558 | TO-92_Inline | Q1 |
| 1 | BC548 | TO-92_Inline | Q2 |
| 1 | CONN_01X16_FEMALE Conn_01x16_Female | PinHeader_1x16_P2.54mm_Vertical | J1 |
| 1 | CONN_01X16_MALE Conn_01x16_Male | PinSocket_1x16_P2.54mm_Vertical | J2 |
| 1 | V_OCT_IN | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3 |
| 1 | FM_IN | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 1 | PULSE_OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J5 |
| 1 | SAW_OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J6 |
| 1 | JST_BUS | JST_XH_B6B-XH-A_1x06_P2.50mm_Vertical | J7 |
| 1 | IDC_BUS | IDC-Header_2x08_P2.54mm_Vertical | J8 |
| 1 | 1M | Potentiometer_RV09 | FM_AMOUNT1 |
| 3 | 100K | Potentiometer_RV09 | PULSE_WIDTH1, TUNING_COARSE1, TUNING_FINE1 |
| 1 | 1K | Potentiometer_Bourns_3266Y_Vertical | SCALE1 |
| 4 | 10K NTC | C_Disc_D3.8mm_W2.6mm_P2.50mm | TH1, TH2, TH3, TH4 |
| 1 | VAL** | mouse-bite-2mm-slot | mouse-bite-2mm-slot |
| 2 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
| 1 | LED | LED_D3.0mm | D3 |
| 1 | 2.2NF 2.2nF | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C1 |
Show 10 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 1UF 1uF | CP_Radial_D5.0mm_P2.50mm | C2, C3 |
| 2 | 100UF 100uF | CP_Radial_D5.0mm_P2.50mm | C4, C5 |
| 3 | 100NF 100nF | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C6, C7, C8 |
| 8 | 100K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R3, R4, R8, R9, R10, R12, R14 |
| 2 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R6 |
| 1 | 1K5 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R5 |
| 1 | 200K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R7 |
| 2 | 20K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R11, R15 |
| 1 | 33K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R13 |
| 3 | 10K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R16, R17, R18 |
MiniOSC design files
The KiCad project lives in the benjiaomodular/MiniOSC repository on GitHub; these links point at the commit this page was built from.
MiniOSC: common questions
How big is the MiniOSC PCB?
The MiniOSC measures 94.1 × 128.5 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MiniOSC?
51 components, from 30 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 MiniOSC design files?
From the benjiaomodular/MiniOSC repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.
Can I use the MiniOSC design in my own project?
Yes, under the terms of its CC-BY-SA-4.0 license, which benjiaomodular chose for the repository.
