4/27/2023 0 Comments Altium measure distance![]() ![]() Altium designer pcb measure distance how to#įinally, I’ll discuss how to take advantage of multiple layers if you happen to have such luxury, and how to deal with single layouts if you have to deal with that special challenge. I’m going to take you through all the major parts of routing your PCB. With an eye for the best possible electromagnetic compatibility, or EMC. It really is true that a switcher with all the component values chosen perfectly can fail to work at all, interfere with other circuits, including its own node, or blow up, what veterans call, “Letting the magic smoke out.” All this can occur if the PCB is not designed properly. A well-designed PCB, on the other hand, will provide the best efficiency and lowest noise. Not zero noise, that’s simply not possible, but the lowest noise. This is a typical data sheet front page schematic. When I was an application engineer writing data sheets, I always the following debate with the marketing engineers while writing the document. I would say, “This schematic should have all the components needed to make the IC work.” Then, the marketeers would say, “Don’t put so many parts on there. The customers will think you need too many expensive components to make it work.”Ĭircuit schematics, like this example, rarely provide any insight into proper PCB layout, although I have seen some footnotes placed near certain components on various customer designs. Like many schematics, the pin note shown is not representative of the actual IC, which is a TSSOP-20 with a thermal tab underneath. The compromise was to put more realistic schematics toward the back of the data sheet. By the way, the good stuff is always at the back of data sheets, so just don’t read that first page.Ī question for you, what is the most important component on this schematic? Hint, it isn’t actually shown. Answer, if you said the PCB is the most important component not shown on this schematic, you’re on your way to becoming a good layout engineer. There are several names for the ways the components are connected electrically on a PCB. No standard naming exists, and I use the different names interchangeably. Altium designer pcb measure distance how to#. ![]()
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