Applications of Function Generator: 1. To test the bandwidth of audio frequency amplifier 2. It can produce sine wave, triangle wave, saw tooth wave, even arbitrary waveform. 3. Function generator has a very wide frequency range, it is an indispensable universal signal source 4. Function generators can be used for production, testing, equipment maintenance and laboratory testing 5. It is also widely used in other areas of science and technology, such as medicine, education, chemistry, communication, earth physics, industrial control, military and aerospace etc. 6. Used for troubleshooting of different analog and digital circuits 7. Acts as source for alignment of receivers.