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Partitioning and Design for Precision Data Acquisition Systems

Original Air Date: Dec 18, 2013 | Duration: 60 minutes Webinar
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Overview:
Acquired analog signals can be manipulated and processed by either the analog or digital portions of a system, for example, through filtering, multiplexing, and gain control. The analog portions of a system can typically provide reasonably simple processing at fairly low cost, power, and overhead. Digital processing can provide far greater analysis power and can alter the nature of the analysis without changing hardware. Sampling theory, however, must be taken into account. This session covers the signal chain basics from signal to sensor to amplifier to converter to digital processor and back out again. This session will focus on precision measurements; a later session will cover dynamic and higher speed signal processing.

Presenter:
Dave Kress
Dave designed medical electronic equipment before joining Analog Devices in 1972 as an IC designer. Over the years, he has been involved in analog chip design, wafer fabrication engineering, and new product development and management. Dave has been instrumental in bringing to market many new products and platforms focused on innovation and enabling new application areas. For many years, Dave led ADI's technical support team. He earned both his BSEE and MSEE from Massachusetts Institute of Technology.

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pepincat315 Posted Dec 16, 2013

Look forward to it. I am doing some development at femtoampere level in an ion chamber. Other interests include lock-in amplifiers to boost SNR and channel averaging (Horowitz p 1027+). Thanks. John B.

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alfybill Posted Dec 16, 2013

Keyword for me is (analog-side) precision. Would like to design overkill analog side as a most-likely-to-work-well starting point for designs, then dumb and cheap it down and trade off w/ digital as appropriate. Think high impedance sensor, low signal, poor SNR, etc.

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pepincat315 Posted Dec 18, 2013

how weak is signal?

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WILFREDOH Posted Dec 18, 2013

PLEASE POST THE SLICE SO THAT WE FOLLOW THE WEBCAST

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