NPN Gates
macmade·Electronics-Tutorials·NPN Gates/NPN Gates.kicad_pcb
About the NPN Gates PCB
NPN Gates is an open source PCB design by macmade, published on GitHub under the CERN-OHL-1.2 license. It is a 2-layer board measuring 80 × 153 mm, with 85 components from 16 distinct parts.
By type, the board carries 48 resistors, 24 transistors, 10 diodes, 2 switches and 1 connector.
From the project
Various electronics test projects.
Electronics-Tutorials =====================
Schemas and PCB layouts are created with KiCad: http://www.kicad-pcb.org
This project requires the XS-Labs KiCad Library to be installed in KiCad.
- Astable Multivibrator - SR Latch - NPN Logic Gates
[BC547BTF]: https://www.mouser.ch/ProductDetail/512-BC547BTF [MAL214258109E3]: https://www.mouser.ch/ProductDetail/594-MAL203858109E3 [4302H1-12V]: https://www.mouser.ch/ProductDetail/606-4302H1-12V [CCF071K00JKE36]: https://www.mouser.ch/ProductDetail/71-CCF071K00JKE36 [CCF07100KJKE36]: https://www.mouser.ch/ProductDetail/71-CCF07100KJKE36…

NPN Gates bill of materials (BOM)
85 components, 16 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 24 | BC547 | Transistor-NPN-TO-92-Line-Spacing-Lead-Form | Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8 +16 |
| 1 | Conn_01x02 | Connector-Wurth-Terminal-Block-2P-3.5mm-691214110002 | J1 |
| 1 | A | Switch-SPDT-NKK-Series-M | SW1 |
| 1 | B | Switch-SPDT-NKK-Series-M | SW2 |
| 2 | A | LED-T1-34-5mm | D1, D3 |
| 1 | B | LED-T1-34-5mm | D2 |
| 1 | ~A | LED-T1-34-5mm | D4 |
| 1 | AND | LED-T1-34-5mm | D5 |
| 1 | NAND | LED-T1-34-5mm | D6 |
| 1 | OR | LED-T1-34-5mm | D7 |
| 1 | NOR | LED-T1-34-5mm | D8 |
| 1 | XOR | LED-T1-34-5mm | D9 |
| 1 | XNOR | LED-T1-34-5mm | D10 |
| 10 | 390 | Resistor-Vishay-CCF07 | R1, R2, R5, R8, R12, R16, R20, R24 +2 |
| 24 | 10K | Resistor-Vishay-CCF07 | R3, R6, R9, R10, R13, R14, R17, R18 +16 |
| 14 | 1K | Resistor-Vishay-CCF07 | R4, R7, R11, R15, R19, R23, R27, R30 +6 |
NPN Gates design files
The KiCad project lives in the macmade/Electronics-Tutorials repository on GitHub; these links point at the commit this page was built from.
- LayoutNPN Gates/NPN Gates.kicad_pcb
- SchematicNPN Gates/NPN Gates.kicad_sch
NPN Gates: common questions
How big is the NPN Gates PCB?
The NPN Gates measures 80 × 153 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the NPN Gates?
85 components, from 16 distinct parts. The full bill of materials is listed on this page.
Where can I download the NPN Gates design files?
From the macmade/Electronics-Tutorials repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the NPN Gates design in my own project?
Yes, under the terms of its CERN-OHL-1.2 license, which macmade chose for the repository.