What Will I Learn?
In this tutorial readers:
- will learn basics of the software "Digital"
- will learn simulation and circuit construction basics of "Digital"
Requirements
In order to complete the tutorial, readers would have:
- basic idea about digital circuit world
- a working PC
- "Digital" software
Difficulty
- Basic
Tutorial Contents
In this tutorial, I am going to show the basic operaions of the digital circuit simulator, which is named as "Digital". I will start my tutorial by introducing the software, and then move into basic circuit constructions and as a last step I will show how to do simulations. Let me start with the introduction part.
- Episode 1: What is "Digital" ?
Digital is a simulator for digital circuits. It gives its users some satisfying features such that:
Visualization of signal states with measurement graphics.
A large library that users are able to use.
Analysis and synthesis for combinational and sequential circuits.
Modyfing any given component to enlarge field of analysis.
Opening screen of the software is given below:
From the image:
1 : corresponds to detalied tabs for the given names. The main tools are included here. Reader can do simulations, add components from those tabs.
2: corresponds to main taskbar. It has some functions such as zoom,simulation commands, opening new files
3: corresponds to workspace. Reader will use that field to construct circuits.
(Note that when user click the main tools in part 1 they will extend, and reader will be able to find the desired operation)
- Episode 2: How to construct digital circuits in the software" ?
After introducing the software, let me explain how to construct circuits in the software. To find components to be used in the circuit, reader should click Components button on the part 1 which I have explained in introduction part as shown below:
From the figure, we can see the component families that we are able to use. if the user wants to put an AND gate, the process is the following.
Find AND gate from the components under Logic part
Click the corresponding component on the list
Move to workspace and place it to desired position as shown below:
The process is the same for all components which is on Components tab. After placing a component, reader can change its position by just left clicking it ---> choosing new position.
Additionally, reader can find general description of the component by just left clicking the corresponding component.
And as a last thing, reader can change its properties by right clicking the corresponding component.
Reader can put more gates just as explained above, I have added an OR and an NOR as shown below:
And I have put a 3 input NXOR gate at the end of those 3 gates as shown below:
(*Note that at the first step it was 2 input gate and I have changed it from properties as in the figure)
As a next step, we can add Input and Output from IO tab of the Components lists.
When we add those components, our circuit should look like:
User can label inputs/outputs by just right clicking them.
Labeled version should look like:
All we need to do is wiring. To wire the components reader should just left click on the given dots on the components as shown below:
(*Note that red dots corresponds to inputs, whereas blue ones for outputs.)
After wiring, we have our finalized circuit as shown below:
We have managed to construct circuit, all we need to do is simulation.
- Episode 3: Simulation on the software" ?
In order to simulate the circuit, all we need to do is just click the simulation button.
Result of the simulation is given below:
Reader can activate / deactivate the inputs just by left-clicking them.(In the figure above, I have activated A, B, D & E)
"Digital" software also gives us to analyze the logical circuit. To operate analysis, reader should click Analysis under Analysis segment.
When it is clicked the following window appears:
From here, user can find the circuit expression & all possible input/output combinations, which is a very useful thing.
I have provided the files for this tutorial here. I highly recommend that the reader should work on the files that I have provided and try to understand the basics of the circuit & software. It will be benefical for he/she.
This is the end for this tutorial.Hope that you like it.
Digital is a really effective and easy to learn software, I highly recommend this software for the one who wants to make simulation in digital circuits especially. If you have any questions, please feel free to ask me on Discord (Escorn#4114)
Curriculum
I have provided the previous tutorials that I have prepared for the community:
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