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What Exactly Is A Function Generator And What Is It Used For?
Function Signal Generators For Amateurs. It is basically piece of test gear for someone that wants to check and even assemble electronic tools.
When all is said and done it is something that produces different kinds of waveforms that are used to examine and develop many different types of electronic gear. You may also see it labeled as a signal generator, since it will make many different waveforms or functions.
That last explanation almost certainly offers a better image of what a function generator actually does. Based on what the aim of the device you are developing or analyzing, will determine what type of function or wave you require to test out completely.
Typical functions which you will notice are Sine Waves, which most people will recognise, but also frequently used functions or waves, are Saw Tooth, Square Waves and Triangular. I'm sure there are several more but again the circuitry you are checking will be the deciding factor as to which of those are necessary. Also the dimensions and repetition of the waves created are generally manually set on the function generator, normally by the turning of a button or flicking of a switch.
Whilst as a rule Function Generators are nice items of kit that sit in your study, you can also get programs for the computer that will complete a similar task. It is a question of personal choice as to whether you will be a little more comfortable having a box that you can come into contact with, experience and push switches on or whether you might be content to change controls and parameters in a computer program. The results are similar though.
If you want to make sure that the right wave form is being produced, merely connect to an oscilloscope.
If you are looking at a Function Generator, then I'm sure I don't need to explain an oscilloscope. But in the event that I do, what you will get is a visible image of the output signal. For those who have ever seen ER or some other hospital performance on Television, that thing where you can see the heart rate beat, well that's a style of oscilloscope. And guess what, the heart will be the function generator.
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