Analog and Digital Transducers — the Advantages of Both
We live in an analog world. In fact, most sensing begins in the analog world where the desired information is a continuously variable value or parameter. Traditionally, the signal from the sensor element has been amplified,compensated, and linearized to suit the system to which the transducer is attached, all done in the analog domain. Starting in the mid-1990s, sensors and transducers started to move from purely analog operation to digital protocols, signal processing, and interfaces. Today, that migration is in full swing. The rate at which products cross the analog/digital line varies by industry, but digital now prevails in many application spaces. This doesn’t mean the analog transducer industry will shrink and die. There are still many application areas — such as high EMI/RFI environments or legacy analog systems — where the benefits of an analog transducer will always surpass a digital approach.
A PRESSURE TRANSDUCER THAT’S AVAILABLE IN BOTH ANALOG AND DIGITAL VERSIONS：
Analog and digital transducers are worlds apart in their technologies, interfaces, output signals, and the terminology used to describe and specify their operation. TE has developed an industrial pressure transducer — the M3200 — that is available in either an analog or digital configuration.
Both versions share these features:
●Perform the same basic function of measuring and reporting the pressure of a gas or liquid in a system, pipe, or storage tank.
●Are identical mechanically and can be interchanged.
●Use the same flexible diaphragm, silicon strain gauge technology, and Wheatstone bridge to convert the applied pressure to an analog voltage signal.
●Digitize the analog signal for further manipulation by the transducer electronics.
The similarities stop there however. Here’s how the analog and digital transducers differ, not only in function, but in capabilities and benefits also.
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White Paper |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2019/04/16 |
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842 KB |
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