推荐订阅源

In its press statement Pico Technologies doesn't mention that some Laptop oscilloscopes are USB 2. appropriate, but only run at USB v1.one speeds. In contrast, Pico's PicoScopes use the 480-Mbit/s speed of USB 2. to give these systems quick screen updates that make them resemble realtime scopes. Regardless of that, since USB 2. is backward compatible with USB one.1, a PicoScope 3000 can nevertheless be employed on older PCs that have slower USB one.one ports. It is just that the information transfer level will probably be slower. Nonetheless, Pico points out that even at USB one.1's fee, most transfers might be faster than if a parallel port was employed for the scope interface.

What's extra, when a 3000 Series module is plugged in, it becomes a plug-and-play peripheral, automagically announcing itself to the host Computer and configuring itself. Finally, thanks to USB's networked topology, you can still nevertheless hot-plug even more USB peripherals into your Laptop although a PicoScope is operating.

In the press release, Pico Technology's Technical Director mentions the system's greater selecting fee and huge reminiscence buffer. With 1 Mbyte of reminiscence, Pico's 3206 model, for instance, can capture loads of data, letting you zoom in on a signal location of interest.

Although some low price scopes accumulate only thousands of samples, a PicoScope 3000 can obtain as many as million samples. That sizable buffer lets complex indicators be captured in fantastic detail over long intervals of time. The scope's zoom functions can then be referred to as into play to take a look at captured indicators in detail. There's also the issue of sampling fee versus reminiscence depth. At higher than average selecting rates, a scope's buffer may be filled easily, so the only way you can easlily collect information for lengthy durations of time is by throttling the selecting fee. If you've got a scope having a higher selecting fee but a modest buffer, you are able to only acquire in the fastest rated selecting price in the top few timebases. Using a PicoScope 3206 sampling repetitive signals, it's possible to also use an equivalent-time sampling mode to increase the selecting price to 10 Gsamples/s.

When viewing noisy alerts, the combination of a superior selecting price and significant buffer could also be put into use to oversample. PicoScope oscilloscope software program lets you filter oversampled data to enhance the resolution of the sign and get rid of random large frequency noise.