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Design Engineer Valued Creative Encyclopedia

About D.E.V.I.C.E.
About D.E.V.I.C.E.

D.E.V.I.C.E. is an encyclopedia of terms used by manufacturers of test and measurement equipment. T&M Atlantic created this service to better explain the functionality of instruments it offers, and to highlight the latest developments in the world of T&M Atlantic. We are using such tools as flash and animation to bring words and pictures to life and to create not just an understanding but also an appreciation for technology that goes into the design of every instrument.

D.E.V.I.C.E. on Request

If you are searching for a particular term or definition, please contact us and our engineers will be glad to explain it to you.

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Noise level (Random noise)
All modern digital oscilloscopes regardless of the manufacturer have a significant noise level. The amplitude of the noise displayed on the screen of a digital oscilloscope (itself or the noise of the signal under measurement) depends on many factors including the sampling rate, signal brightness, persistence (inertia of the screen refreshing) and on the oscilloscope bandwidth as well.

The temperature (Ta) that yields the available power spectral density from a source. It is obtained when the corresponding reflection coefficients for the generator and load are complex conjugates.

Ohm, Georg Simon
A German physicist. As a high school teacher, Ohm began his research with the recently invented electrochemical cell, invented by Italian Count Alessandro Volta. Using equipment of his own creation, Ohm determined that there is a direct proportionality between the potential difference (voltage) applied across a conductor and the resultant electric current. This relationship is now known as Ohm's law.

In electronics, an opto-isolator, also called an optocoupler, photocoupler, or optical isolator, is a component that transfers electrical signals between two isolated circuits by using light.


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Units Converter
About Units Converter
This universal gadget converts 10 types of measurement units: Length, Weight, Temperature, Volume, Area, Speed, Time, Pressure and Energy. It is easy to use and is available in English and Spanish.
  1. Choose your language
  2. Choose the measurement type
  3. Enter values
  4. Receive results
  5. Email link to friends (optional)
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