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An analyzer is a device that analyses given data. It analyses the structure of the given data in detail and tries to find patterns and relationships between parts of the data. An analyser can be either hardware or a software program running on a computer.
Analyzers are available in two general types: analog and digital. The analog concept and the digital concept provide two different design strategies. Analog devices work on continuously variable voltages or currents, while digital device work on discrete voltages i.e., 1 or 0.
Analog analyzers are composed of several adjustable filters, which display or plot the amplitude of a specific harmonic component versus time during the recording. These types of analyzers are called frequency-domain instrumentation.
The various types of analysers are as follows:
· Differential analyser - early analogue computer
· Spectrum analyser
· Vector signal analyser
· Automated analyser
· Quadrupole mass analyser
· Network analyser
· Protocol analyser (packet sniffer)
· Bus analyser
· Logic analyser
· Lexical analyser
· Chaos Data Analyser (CDA)
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