Never mind guys, just found out the issue. The pulse was actually 0.5us, sorry for the inconvenience.

Hi Guys, I am using the LabVIEW streaming example provided by Picoscope. My signal is 1KHz, 1us pulse. I attached the front panel screenshot. I set the time interval to be 25ns, so in principle I should get 40 points at the flat top but I only get 20. The data sheet shows usb3.0 data streaming shoul...