

Kickstart switcher-12up
The old Kickstart switcher documentation is here.
- Size
- 88.9 × 98.4 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 197
- Nets
- 19
- Pads
- 854
- Tracks, vias
- 1,128, 264
- Pours
- 24
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 22 Jul 2015
- Updated
- 23 Dec 2021
Overview
Kickstart switcher-12up is an open-source printed circuit board by keirf, from the keirf/pcb-projects repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 88.9 × 98.4 mm with 197 parts on 19 nets, routed with 1,128 tracks and 264 vias.
It is built around the 74HC14 and 74HC74D. Its parts include 72 resistors, 60 capacitors, 24 ICs, 12 transistors and 12 connectors.
Main components
274HC14
SOP-14-40℃~+85℃ 1.9V、3.98V、4.4V、5.48V、5.9V 100mV、260mV、260mV 20uA 25ns@4.5V,50pF 2V~6V 6 74HC Noise suppression function Schmitt trigger SOP-14 Inverters ROHSJSMSEMIInverters74HC74D
SOIC-14-40℃~+125℃ 1 15ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns、3ns、3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSNexperiaFlip Flops
README
README.mdPCB Projects: KiCad Designs for Retro Projects
Documentation
- Kickstart Switcher Assembly instructions and installation guide
- EPROM Adapter Usage instructions for all versions of this adapter
The old Kickstart switcher documentation is here.
Parts
197| Qty | Value | Footprint | References |
|---|---|---|---|
| 48 | 1K | Resistors_SMD:R_0805_HandSoldering | R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R1, R2, R2, R2, R2 +32 |
| 36 | 0.1u | Resistors_SMD:R_0805_HandSoldering | C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C2, C3, C3, C3, C3 +20 |
| 24 | 1M | Resistors_SMD:R_0805_HandSoldering | R5, R5, R5, R5, R5, R5, R5, R5, R5, R5, R5, R5, R6, R6, R6, R6 +8 |
| 17 | FF:mousebite | , , , , , , , , , , , , , , , +1 | |
| 12 | 22u | Resistors_SMD:R_0805_HandSoldering | C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1, C1 |
| 12 | 4.7u | FF:TantalC_SizeR_EIA-2012 | C4, C4, C4, C4, C4, C4, C4, C4, C4, C4, C4, C4 |
| 12 | 74HC14 | SMD_Packages:SOIC-14_N | U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2, U2 |
| 12 | 74HC74 | SMD_Packages:SOIC-14_N | U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1, U1 |
| 12 | CONN_01X04 | Pin_Headers:Pin_Header_Straight_1x04 | P1, P1, P1, P1, P1, P1, P1, P1, P1, P1, P1, P1 |
| 12 | Q_NMOS | TO_SOT_Packages_SMD:SOT-23_Handsoldering | Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1, Q1 |
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Questions
How big is the Kickstart switcher-12up PCB?
It measures 88.9 × 98.4 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Kickstart switcher-12up use?
197 parts, built around the 74HC14 and 74HC74D. 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 Kickstart switcher-12up KiCad files?
From the keirf/pcb-projects repository on GitHub, at the commit this page was made from: the board is panels/kickstart-switcher-12up.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Kickstart switcher-12up design in my own project?
Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).