yeah , that is a good idea.
I’ll make a jumper for it, so that if you do not use this option, the stage is grounded.
(like in the schematic above )
Maybe I’ll add a “experimentation area”.
Question: Shall I leave out the resistors + capacitor, like in stage 1?
Maybe I can fit them, but if it is an experimental area, It might be useful not to have a predetermined use.
new stuff. 2nd c-sync bus for alternative connectors. / extra output.
When not used, there is an easy grounding option next to the LM6172. so a bypass = 2 jumpers
It all fits, so that is cool! The pcb has a less funky shape, oh well
And I’ve added one extra sync header. so there are nine in total!
Last check before I send it to China!
I don’t know anything that would be helpful here but thank you for doing this!
Ok, it is in production now.
Cool! Excited to see!
First test is good! 
I need somebody to test the RCA sync output. Volunteers?
I have a visual cortex and other LZX RCA sync modules/vidiot, I’d be happy to test it out.
Where do you live? I would prefer someone in the EU because of the shipping time, but we will see 
test 2:
RCA Scope view: looks good.
multiple sync busses used. = OK
we have a volunteer!!!
let me know - see PM
ah I’m in the US I’m sure you’ll find someone closer
yes, me, I live quite close to Martijn
Okay, we tested the busboard with LZX modules this afternoon. Thanks Jim!
So I declare it functional!
I’ll make a buildguide & BOM.
The pcb’s / kits / build units will be offered for sale.
I’ll ask Lars if it is ok to do it from this forum. I have an Etsy store as well.
I have 20 pcb’s in stock right now.
The price for a pcb will be about 20,- euro
It was a pleasure, Martijn!!
I have a busboard in my bag to test the BOM/buildguide
I’m going to test it with a frequency central psu - so will report back once all parts are delivered and I’ve built them
hah. How did I miss this. Good work Martijn!
