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About tools to simulate circuits. Specify the tool used.

3 votes
Accepted

Circuit simulator with microphone support

Multisim is able to record from a microphone and use it as input signal, but not in real-time. LTspice can read from a .wav file, in this case you can use an audio editor (like Audacity) to record.
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1 vote
Accepted

Digital simulation display

In LTspice you won't have any way to display data except for waveform plots - which is what you're going to use most of the time for analog circuit design. You won't see a LED blink or a 7-segment d …
Renan's user avatar
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1 vote
Accepted

How to optimise something when multiple parameters change the output

From what I understand, those problems are often solved with metaheuristics, like genetic algorithms: they have been successfully applied in solving engineering problems. I don't know how well it wou …
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3 votes

A decent library of component simulation, schematic and PCB layout?

As for simulation, the ideal usage is to simulate blocks of your system at a time, not an entire system which might become difficult, or even impossible, to simulate. …
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8 votes

SPICE Simulator at Linux

As far as I know, there isn't something like Proteus for Linux. If you don't mind using Wine to run Windows applications in Linux and using a closed-source application, LTspice runs perfectly there ( …
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4 votes

Looking for an easy to use circuit design software similar for beginner

Consider LTspice. It has most of what you want - though it has a learning curve - and a very big user's community which has created a lot of device models, documentation etc... While it's most for an …
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6 votes
Accepted

Stepped Sine Wave in Spice

LTspice has a 'sample' block which implements a simple sample-and-hold. E.g. the below circuit gives this waveform:
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