Products > Test Equipment
Hantek DSO2xxx schematics
pcprogrammer:
For those interested, here is what I made of it so far.
On the FPGA I still need to fill in two pins which go to the analog part of the system.
What remains is the two analog channels with it's support hardware.
Edit: Fixed the capacitor polarity in the analog -5V supply.
arturmariojr:
Wow! Great work! Many thanks for your big effort doing this!!!!
pcprogrammer:
It is a bit of a mess that needs a lot of cleanup but here is the schematic for channel 1.
Was a bit of a job to find all the connections. Especially with these low value resistors beeping the connections is tricky. Have to look at the meter to see it being 0.000 instead of 0.005 or so.
I'm not very good with analog stuff so no idea if it all makes sense :-//
DavidAlfa:
Holy s.. , that's a lot of work!
Are you able to measure those pF...nF little caps?
pcprogrammer:
Measuring the caps probably needs removing them from the board, which I don't want to do.
I have a cheap component tester (LCR meter) but doing in circuit measurements won't yield good results I think.
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