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Instrument generates pulse, digital delay

Posted: 29 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:Berkeley Nucleonics Corp.? digital delay and pulse generator? benchtop instrument?

A new benchtop digital delay/pulse generator has been released by Berkeley Nucleonics Corp. Model 575 combines the characteristics of a pulse generator with a digital delay generator in a single instrument.

It provides 250ps resolution and up to 1ppm accuracy for delay and widths. Rate, selected by period, is set to a resolution of 10ns.

Berkeley Nucleonics claims the Model 575 is the only multi-channel unit to permit different rates for all the channels. Using new clock-divider functions, for example, one channel can be operated at 20MHz, with another at 5MHz, and another at 50Hz. There is an option for a separate external trigger input for each channel or standard configuration (common trigger for all channels).

Modular output boards provide a variety of output options. Output stages include both TTL and adjustable amplitude, and 35V high-voltage electrical and LED optical at either 820nm or 1,310nm. For those working only with optical triggering, an optical input is available.

The Model 575 also offers programmable USB and Recommended Standard 232 interfaces. An additional communications module includes general-purpose interface bus and Ethernet. Standard programming protocols are backwards compatible and LabView drivers are available. In addition to the on-board storage, end users can use the programming functions to store a "Setting Profile" of each setup, and import the same setup to any unit at a later time.

- Gina Roos

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