diff options
Diffstat (limited to 'hw/v3.1 LPZW/Changes.txt')
| -rw-r--r-- | hw/v3.1 LPZW/Changes.txt | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/v3.1 LPZW/Changes.txt b/hw/v3.1 LPZW/Changes.txt new file mode 100644 index 0000000..852affe --- /dev/null +++ b/hw/v3.1 LPZW/Changes.txt @@ -0,0 +1,16 @@ +Change List V3.1 LPZW + +- J12 & J13 are SMT now, had to unround the board corners for that +- all line audio & TRS MIDI jacks are PJ-313 THT now +- R110 & R113 values changed 47R -> 1k, 15R -> 220R to remedy led switching noise +- USB-C jacks VBUS is now decoupled viad 1N5819WS schottky diodes +- USB-C jacks data lines now go to a MUX IC PI3USB102EZLE, lower jack dominates that line +- USB TVS array ommited cos ESD protection build into that MUX +- serial resistors 100R and TVS arrays for clamping added to the expander port for protection +- D4 is also 1N5819WS now +- removed pulldown & capacitor at U16B (did nothing anyway) +- added Potentiometer and Encoder tap contacts to GND +- removed all traces from In1.Cu layer (only GND there) +- increased the expader window even more +- changed "Thanks to" text +- general schematic cleanup
\ No newline at end of file |