thomas
/
osci-video-pcb
Watch 1
Star 0
Fork 0
Code Issues 0 Pull Requests 0 Releases 0 Wiki Activity
No Description
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
7 Commits
1 Branch
Tree: 4ebe307e8b
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '4ebe307e8b'
${ noResults }
osci-video-pcb
Thomas Buck 4ebe307e8b generate v2 production files 6 months ago
production_files generate v2 production files 6 months ago
.gitignore update resistor values 6 months ago
README.md update resistor values 6 months ago
fetch_jlc.sh update resistor values 6 months ago
fp-lib-table initial commit 9 months ago
generate_fab.sh rename parts. 9 months ago
osci-video.kicad_pcb generate v2 production files 6 months ago
osci-video.kicad_prl update resistor values 6 months ago
osci-video.kicad_pro update resistor values 6 months ago
osci-video.kicad_sch update resistor values 6 months ago
sym-lib-table initial commit 9 months ago

README.md

Osci Video PCB

Based on the XYZ converter by MrSlehofer.

This PCB design is ready to be ordered and assembled from JLCPCB!

Just upload the files in the production_files folder to their webshop. All settings should be fine, just some manual translation of the RCA connectors may be needed in one of the last steps.

Warning: in the board revision V1 the PNP transistors U2 and U3 were placed the wrong way round. This has been fixed.

The V1 revision did not work at all. The R1 resistor had to be reduced to 6k8, the R10 resistor to around 24k, for my test setup to show a proper picture.

Also I’m referencing the Z output to GND, instead of to +12V like in the original PCB design. Otherwise with scopes like mine, where the XY and Z inputs all have common grounds, would cause a short circuit of the power supply. Sadly this inverts the brightness of the video drawn on the scope.