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Signal generator

2011-11-28

Abstract: The signal generator based on one of General Instrument, when electronic engineers the best signal simulation tool, in many areas have a wide range of applications. This article describes the basics of the function signal generator, bit selection and your understanding of the concept with ease. We purchase only concerned with the source of the basic indicators, but also need to care about its advanced features, such as waveform editing and download capabilities, and computer communications capabilities, several synchronization signal generator, etc., according to engineer their own applications need, select the appropriate signal generator for the design engineer to conduct a comprehensive, real-world testing, product research and development of their confidence.


 Classification and role of the signal source

 

        There are many sources classification methods, one of the methods can be divided into mixed-signal and logic signal source two. One major output of analog mixed-signal waveform; logic signal output digital code form. Mixed-signal source can be divided into function generator and arbitrary waveform / function generator, function generator output, in which the standard waveforms such as sine is, square wave, arbitrary waveform / function generator outputs a user-defined arbitrary waveforms; logic signal generator can be divided into pulse signal generator and pattern generators, which drive pulse signal generator, the smaller the number of square wave or pulse wave output, pattern generator generates a number of channels of digital pattern. Such as the Tektronix production AFG30000 series to include a function generator, arbitrary waveform / function generator, pulse generator function.

 

   In addition, the signal source can also be classified according to the type of output signal, such as the RF signal generator, sweep signal generator, frequency synthesizer, noise signal generator, and so on. Source can also be classified according to use frequency bands, different bands corresponding to different source areas.