What’s Qucs?
    Qucs stands for Quite Universal Circuit Simulator. So far Qucs is not yet finished, but it is already packed with features. Take a look at the screenshots to get a feel for what it can do.

    Qucs is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit. After that simulation has finished you can view the simulation results on a presentation page or window.

    http://qucs.sourceforge.net/

    #gpl #foss #Qucs #EDA
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      Making your printed circuit boards with PCBWay

      pubsub.slavino.sk / onetransistor · Friday, 2 October, 2020 - 18:09 edit · 1 minute

    I'm quite satisfied with the PCBs I can make at home using the toner transfer method. So far, I have made PCBs for through hole devices as well as PCBs for surface mounted devices. My results are acceptable for tracks as thin as 0.3 millimeters. But there is another issue I'm having with the toner transfer method. When I apply the iron to heat the toner, the paper warps and dilates. Not too bad though. I can still solder bigger IC capsules. But what about a double sided PCB? I found it totally impossible to align top with bottom pads across the board. Until now I tried my best to keep all designs single sided by adding wire jumpers where needed.

    Yet when it comes to double sided PCBs or even more than two layer PCBs you need to get them professionally manufactured. Even with single sided PCBs when you want them to look professionally built or you need more pieces the right choice is a manufacturing service. I decided to try the PCB manufacturing services of PCBWay, a Chinese company which can manufacture PCBs and ship them worldwide at good prices.

    PCBs ordered from PCBWay

    PCBs ordered from PCBWay

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    Značky: #PCB, #Elektro, #EDA, #Electronics