2 ms·
Well this gets messy. It doesn't have bandwidth to stream the full ADC data to PC, but it also doesn't have any capability on the device itself to do triggering
by zokier 5y ago
Well this gets messy. It doesn't have bandwidth to stream the full ADC data to PC, but it also doesn't have any capability on the device itself to do triggering. I tried googling around and the best guess how it is supposed to work is that PC periodically polls the device for data and looks for trigger points from what it receives. If the trigger point happens to fall within the buffer that was there at the time of polling then great, otherwise apparently it just loses that trigger(!). No wonder people are commenting that it is crappy, that sounds pretty dubious approach.
- rasz 5y agoIt doesnt in advertised 48 MHz sampling mode, all lower speeds should be glitch free. I was mistaken, both original and openhantek software https://github.com/OpenHantek/OpenHantek6022 https://github.com/OpenHantek/OpenHantek6022 support 30 MHz mode. Seems Hantek put 48 MHz option in the product just to be able to claim it on the box https://sigrok.org/wiki/Hantek_6022BE#Protocol https://sigrok.org/wiki/Hantek_6022BE#Protocol Its fully unusable. Cypress chip maxes out in USB2 mode at around 40-42MB/s in optimal conditions - USB HDD connected to modern Intel chipset alone on the bus.