Waveform Digitizer Fits On PCI Card

Jan. 20, 2004
Cost-effective precision sampling is the strength of the ATS850 a dual-channel waveform digitizer from Alazar Technologies, Inc. (Lachine, Quebec City, Quebec, Canada) built on a standard PCI bus card. With a 25-MHz real-time bandwidth and 50 ...

Cost-effective precision sampling is the strength of the ATS850 a dual-channel waveform digitizer from Alazar Technologies, Inc. (Lachine, Quebec City, Quebec, Canada) built on a standard PCI bus card. With a 25-MHz real-time bandwidth and 50 MSamples/s sampling rate, the digitizer is suitable for a host of intermediate-frequency (IF) signal analysis chores. It is an ideal solution for all applications requiring signal digitization that is embedded within an application. Multiple ATS850 cards can be configured in a master/slave arrangement to provide as many as 24 input channels. The card features an input range of plus or minus20 mV to plus and minus20 V; the use of attenuation probes can push this range even higher. The 8-b digitizer includes 512 kb of onboard memory, enough to capture 262,140 points per channel. Typical signal-to-noise ratio with the digitizer is 42 dB while typical spurious-free dynamic range (SFDR) is 45 dB.

The digitizer, which features a 40-b time-stamp counter to track the precise timing of triggered events, is supplied with a calibration certificate and the ATScope software that allows an operator to setup the acquisition hardware and capture, display, and archive signals. The company also offers a Windows-compatible software development kit, which allows programs written in C/C++, Virtual Basic, and LabView to control the digitizer.

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About the Author

Jack Browne | Technical Contributor

Jack Browne, Technical Contributor, has worked in technical publishing for over 30 years. He managed the content and production of three technical journals while at the American Institute of Physics, including Medical Physics and the Journal of Vacuum Science & Technology. He has been a Publisher and Editor for Penton Media, started the firm’s Wireless Symposium & Exhibition trade show in 1993, and currently serves as Technical Contributor for that company's Microwaves & RF magazine. Browne, who holds a BS in Mathematics from City College of New York and BA degrees in English and Philosophy from Fordham University, is a member of the IEEE.

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