2013年4月3日 星期三

Configurable AFE eases calibration trial and error

Networking appliance, Console server, Embedded pc
Looking at the hundreds of different types of sensors available, one can observe common topologies and signal characteristic ranges and understand that having the ability to simply change the characteristics of the op-amps, or to dynamically change the gain values, will significantly reduce the complexity and reduce development time.
The Renesas Smart Analog technology is an example of a fully configurable AFE technology that allows for such capability. As Figure 2 shows, such technology includes five elements: three separate configurable amplifiers, an additional amplifier with sync detection capability, a general-purpose op-amp, a low-pass filter with variable cutoff frequency, and lastly, a high-pass filter with variable cutoff frequency.
refer to: http://embedded-computing.com/articles/latest-afe-simplifies-interfacing-hundreds-sensors/#at_pco=cfd-1.0

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