Hallow mates!
i am a second year electronic student and i chose to design a low cost function generator as my project. Theoretically i felt like i had all ideas i needed in mind, only to realise after some circuit testing that i need to sweat researching. Anyone with a simplest idea please?

 

Hallow mates!
i am a second year electronic student and i chose to design a low cost function generator as my project. Theoretically i felt like i had all ideas i needed in mind, only to realise after some circuit testing that i need to sweat researching. Anyone with a simplest idea please?

You need to advise of the functions that you want your project to generate for others to stand a chance of helping you.

 

There's almost nothing easier than a ROM lookup table ported to a DAC.

 

Many years ago, I remember one of the Elecktor ‘Summer circuits’ being a zero volt reference function.

Basically is consisted of a connection (link) between two points.

 

Hallow mates!
i am a second year electronic student and i chose to design a low cost function generator as my project. Theoretically i felt like i had all ideas i needed in mind, only to realise after some circuit testing that i need to sweat researching. Anyone with a simplest idea please?

The first thing you need to do is decide what you need to do.

By that, I mean that you need to go MUCH further in your description than "low cost function generator".

That's like someone walking into a car deal and only telling them that they want a low cost vehicle. There's simply not enough to even start with.

First of all, what is "low cost"? Is $200 low cost? Or does it need to be under $20 to be low cost?

Then you have to come up with a basic set of specifications. How many different waveforms? What minimum and maximum frequencies? What minimum and maximum voltage amplitudes? How max output current?

Then there are a number of other things that will need to be decided. What output impedance(s)? What accuracy? How much noise is tolerable? How many other features, such as ability to apply a DC offset or sweep the frequencies or modulate the output?

For a school project, you need to find out what the minimum capabilities are that, if achieved, will result in an acceptable grade. Don't fall into the trap of adding bells and whistles until after you know that the minimum required specifications have been met.

 

Anyone with a simplest idea please?

It doesn't work that way on AAC. For school work, you need to do most of the work. If we gave you ideas, it would be considered cheating.

Do you research and come back with questions.