It is still possible to find it in eBay, Aliexpress and other sites for electronic components. * Remark - this chip is no more produced and sold by Maxim. I decided to base the design on the Maxim chip MAX038* Since long time I wanted to design a useful function generator, which could somehow combine some of the advantages of both types (analog and digital) generators. Also the mainly spread function generators based on DDS approach have not so big frequency generation range.
The digital generators can generate signals with very stable frequency, but they have problems with generating very pure sine signals (what is not problem for analog one). Today there are two main types of function generators digital, (DSP based, DDS.) which are more and more often used and analog, which were the origins.īoth types have their advantages and disadvantages. It is needed for tuning resonance circuits, testing audio and video equipment, designing of analog filters and for many other different purposes. The function generator is very useful tool for the electronics freaks. This instructable describes the design of function generator based on the Maxims's Analog integrated circuit MAX038.
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