Function Generator Defined
Function Generators And Their Uses. It is essentially piece of test apparatus for anyone that needs to to check or even build electronic gadgets.
When all is said and done it is something that generates a variety of forms of waveforms that are used to test and develop many different types of electronic equipment. You may additionally see it labeled as a waveform generator, because it will produce a variety of waveforms or functions.
That last explanation probably gives a more accurate image of what a function generator actually does. Depending on what the purpose of the device you are making or testing, will decide what type of function or wave you require to test out fully.
Typical signals which you will notice are Sine Waves, which most people have heard of, but also frequently used functions or waves, are Saw Tooth, Square Waves and Triangular. I'm sure there are many more but again the device you are checking will be the deciding factor as to which of those are required. Also the scale and repetition of the waves created can be set on the function generator, normally by the turning of a button or flicking of a switch.
Whilst most Function Generators are nice items of equipment that sit in your workshop, it's also possible to get programs for the PC that will execute a similar task. It is a matter of personal choice as to whether you will be a little more comfortable with a gadget that you can come into contact with, feel and push buttons on or whether you might be happy to vary controls and parameters in a computer program. The results are the same though.
If you want to make certain that the right wave form is being generated, simply connect to an oscilloscope.
If you are considering a Function Generator, then I'm sure I don't need to clarify an oscilloscope. But in the event that I do, what you will get is a visual illustration of the output signal. For those who have ever watched ER or any other hospital program on TV, that machine where you can see the heart rate beat, well that's a kind of oscilloscope. And guess what, the heart would be the function generator.
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