On February 3, 2012, in Misc, by Cmc

TINA-TI Is quite nifty piece of software that is capable of doing rather nice analog circuit simulation.

But lets hold the break for some moments and find out what the hell am I talking about.

I think about designing a D class amplifier and am not overly acquainted with analog electronics it did not seem to be the best idea to just use an idea that could basically work and start building and testing schematics on PCB-s.  Because of that, I decided to find out about some nice package of software that is capable of doing analog electronics simulations. While doing research about this I found some tools like Proteus,  Multisim etc.  What I needed was something complete, with small software learning curve and, most of all, free.

It seems that Texas Instruments Tina is exactly what I, as a analog-electronics beginner, need from simulation software. It gives me all the tools that I am still missing from my lab, has easy and quite intuitive GUI and gives me very nice opportunity to simulate the circuit while I ponder around in all possible ideas. Also, I do not have to worry about PCB layout or any possible analog gotcha’s before I am actually sure about some circuit component and decide to try it out in real life.

Image from TI homepage to illustrate few features of Tina-TI

Picture for illustrating Tina's output possibilities.


I have been toying around with this software for about 2 days and while learning what it can do I also found out some interesting problems with circuit simulators. The main one is that circuits that work in real life might not work in simulator, Especially oscillators.  From time to time the oscillation of the circuit happens because the real life components are not as ideal as the simulation components. Hence the lesson, ideal components are not best for design at all occasions.

Apart from the fact that no simulation is real life the Tina-TI has left me with very nice feeling.

One of the first tries with Tina-ti and D-class-amp pulse width modulator.

This is my first try on Pulse Width Modulator for D class amplifier. Obviously a failure.

So, it has good tools, is easy to use and is free to get. I highly recommend this piece of software!


Best regards from Cmc


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