Define signal generator and state its need.

Define signal generator and state its need.
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Answer :

Signal Generator: A signal generator is an electronic device that generates repeating or Non-repeating electronic signals in either the analog or the digital domain.

Need: The generation of signals is an important activity of electronic development and troubleshooting. Therefore a signal generator is a vital electronic instrument in laboratory test setup which provides signals for general test purposes.

1. It is used to provide known test conditions for the performance evaluation of various electronic systems and for replacing missing signals in systems being analysed for repair. 
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