Signals are electrical or electromagnetic means of conveying and transferring information. Logic signal switches are binary transducers, meaning they take these electrical or electromagnetic signals ...

The distinction between analog and digital signals is very simple, but it can still be a challenge to wrap one's mind around the concepts that define the two systems. Just when you think you've got it ...

Fundamental to all wireless communications is modulation, the process of impressing the data to be transmitted on the radio carrier. Most wireless transmissions today are digital, and with the limited ...

A digital signal processor (DSP) is a specialized microprocessor that performs mathematical operations with lightning speed. For instance, a DSP might perform the mathematical operations necessary to ...

A signal is an electric current or electromagnetic field used to convey data from one place to another. Signal converters are electronic devices that receive one type of signal and output another type ...

An all-optical memory stores digital data in circulating light for over 20 ms, using Raman amplification and multiple wavelengths to boost capacity.

Many of the best video cables on the market today were designed primarily for use in the digital domain; but can a digital cable really perform well as an analog cable? Can an analog cable be used as ...

" With regard to excellence, it is not enough to know, but we must try to have and use it." - Aristotle The more things change, the more they stay the same. Nearly fifty years ago (1958 actually) the ...

(1) An electronic signal transmitted as binary code that can be either the presence or absence of current, high and low voltages or short pulses at a particular frequency. (2) A common classification ...