

Small lm399
A small LM399-based voltage reference board.
- Size
- 767.1 × 471.2 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 293
- Nets
- 9
- Pads
- 699
- Tracks, vias
- 490, 0
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 3
- Created
- 21 May 2017
- Updated
- 28 Mar 2018
Overview
Small lm399 is an open-source printed circuit board by cellularmitosis, from the cellularmitosis/small-lm399 repository on GitHub, published under the MIT licence. It is a 4-layer board of 767.1 × 471.2 mm with 293 parts on 9 nets, routed with 490 tracks and 0 vias.
It is built around the OP07. Its parts include 11 ICs, 9 capacitors and 9 resistors.
Main components
1README
README.mdsmall-lm399
A small LM399-based voltage reference board.
Status
This board has not been tested (I'm awaiting PCB's to come in from OSHPark).
Board design v1
Initial board design.


Gerbers
Schematic
.
License
This board design is Open-Source Hardware. It is licensed under the MIT License. It was designed by Jason Pepas.
Parts
293| Qty | Value | Footprint | References |
|---|---|---|---|
| 133 | Val** | Via_016 | H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H*** +117 |
| 80 | Val** | hole_M3_2 | H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H***, H*** +64 |
| 32 | Val** | 4455-N2-5 | 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5, 4455-N2-5 +16 |
| 10 | Val** | PIN_ARRAY_5x1 | PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1, PIN_ARRAY_5X1 |
| 8 | LM399 | TO-46-PLASTIC | U1, U1, U1, U1, U1, U1, U1, U1 |
| 8 | Val** | PIN_ARRAY_3X1 | PIN_ARRAY_3X1, PIN_ARRAY_3X1, PIN_ARRAY_3X1, PIN_ARRAY_3X1, PIN_ARRAY_3X1, PIN_ARRAY_3X1, PIN_ARRAY_3X1, PIN_ARRAY_3X1 |
| 6 | 0.1uF | CERCAP_2_059A | C1, C1, C1, C2, C2, C2 |
| 6 | 1k | R_AXIAL_0W25_059A_PL | R1, R1, R1, R2, R2, R2 |
| 3 | 10nF | CERCAP_2_059A | C3, C3, C3 |
| 3 | 6k8 | R_AXIAL_0W25_059A_PL | R3, R3, R3 |
| 3 | OP07 | DIP8_059A_PL | U2, U2, U2 |
| 1 | OSHW-logo_silkscreen-front_4mm | OSHW-logo_silkscreen-front_4mm | G*** |
Questions
How big is the Small lm399 PCB?
It measures 767.1 × 471.2 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Small lm399 use?
293 parts, built around the OP07. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Small lm399 KiCad files?
From the cellularmitosis/small-lm399 repository on GitHub, at the commit this page was made from: the board is kicad/small-lm399.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Small lm399 design in my own project?
Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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