KlausST
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Yesterday, 18:52Hi, 10 Ohms vs 100Ohms. I personally like fast switching and thus rather 10 Ohms. But as already mentioned, faster switching needs a more...6 replies | 261 view(s) -
Yesterday, 18:48KlausST replied to a thread My PCB and Commercial PCB Comparison in PCB Routing Schematic Layout software and SimulationHi, If your circuit works, then everything is O.K. No need to worry. 1) green vs brown tracks. It does not matter. Maybe one is tin plated the...1 replies | 77 view(s)
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30th May 2020, 18:15Hi, This sounds like a PCB layout problem. Maybe a schematic problem. Please: no textual description of a circuit ... schematics are way...6 replies | 261 view(s)
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30th May 2020, 12:14Hi, This is correct: more area --> more power to dissipate But the ratio will be less. Imagine: An area of 1cm x 1cm ... letīs...9 replies | 399 view(s)
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30th May 2020, 11:56Hi, I had something completely different in mind... Now I see itīs a VDO brand. On an internet search I came to the VDO web shop. There...7 replies | 326 view(s)
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30th May 2020, 07:56KlausST replied to a thread Figure out the dimensions for this circuit button for mouse in Elementary Electronic QuestionsHi, Then use a caliper gauge. If you don't have one, ask your neighbour or a mechanic. You may also do a google search for pictures. From the...4 replies | 289 view(s)
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30th May 2020, 07:32KlausST replied to a thread Figure out the dimensions for this circuit button for mouse in Elementary Electronic QuestionsHi, It seems I don't understand the question.. If I wanted to know the dimension of a part I'd use a ruler ... or any other measurement device....4 replies | 289 view(s)
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29th May 2020, 17:47Hi, we live in the 2020ies where every simple cellular phone has a camera, most laptops, tablets... It really makes it hard to help...7 replies | 326 view(s)
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29th May 2020, 17:43KlausST replied to a thread Radiated susceptibility problem-PWM dimming in Professional Hardware and Electronics DesignHi, This is a complete new situation. Then itīs quite possible that itīs just an interference between camera_sampling and PWM. Not even...20 replies | 729 view(s)
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29th May 2020, 15:11Hi, Do you mean an internal signal? Or a signal on a pin? Which pin? (Use the number or the name as in the datasheet.) Klaus9 replies | 352 view(s)
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29th May 2020, 15:01Hi, looks good. Good luck. Keep us informed. Klaus25 replies | 2521 view(s)
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29th May 2020, 14:56Hi, Tell me whatīs the new undershot with the new PCB layout. I bet itīs much better now. (But do a reference measurement not to see false...14 replies | 691 view(s)
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29th May 2020, 10:29KlausST replied to a thread Radiated susceptibility problem-PWM dimming in Professional Hardware and Electronics DesignHi, A lot of guessing is already done... Flicker frequency usually is in the range below 20 or 25Hz. Everything above is considered not to...20 replies | 729 view(s)
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28th May 2020, 13:34KlausST replied to a thread Radiated susceptibility problem-PWM dimming in Professional Hardware and Electronics DesignHi, I donīt think that induced signals are likely to cause low frequency flicker. Without schematic and/or more detailed inflormations about the...20 replies | 729 view(s)
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28th May 2020, 13:15Is it really something we need to place inside the flask ?? in this demo https://www.youtube.com/watch?v=wOrwa6Mo4VM the didn't anything like...3 replies | 301 view(s) -
28th May 2020, 11:13KlausST replied to a thread Guitar effects circuit and noise from timing I.C's in Elementary Electronic QuestionsHi, Either your schematic is worng or your PCB layout is not suitable. We donīt know them. So how can we help? Klaus5 replies | 251 view(s)
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28th May 2020, 10:52Hi, No. Nothing simpler than a ready to buy 1-part solution. Like TRACO TEC 2-2415. Klaus9 replies | 331 view(s)
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28th May 2020, 07:51Hi, I missed to say: the current PCB layout is much better than before. But could be better. I see no need for a split GND plane with your...14 replies | 691 view(s)
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28th May 2020, 06:25Hi, Yes. I think mine had a bit wider diameter. Don't try to put it inside your ear, don't hurt yourself. Not only inductors cause noise....8 replies | 331 view(s)
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28th May 2020, 00:19Hi, Every switch mode IC manufacturer provides selection guides to find the correct IC for your application. Be sure the ICs does the job as...9 replies | 331 view(s)
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28th May 2020, 00:11KlausST replied to a thread Why is it necessary to disable interrupts when loading transmit data into transmit bu in MicrocontrollersHi, It depend on * how the data buffers are organized in software * and how the the microcontroller (periferal) handles the data transfer. A...3 replies | 243 view(s)
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28th May 2020, 00:03KlausST replied to a thread Radiated susceptibility problem-PWM dimming in Professional Hardware and Electronics DesignHi, I don't see why an optocoupler should create that much low frequecy noise that one even can see it. I rather like the idea about...20 replies | 729 view(s)
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27th May 2020, 23:54Hi, Please post a link to the document that describes this "splitting the ground". I don't think it's a good idea. The short, but high peak...14 replies | 691 view(s)
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27th May 2020, 18:06Hi, you want it for video only or audio, too? SCART supports various video interfaces, which one do you want to use? Klaus6 replies | 317 view(s)
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27th May 2020, 17:12Hi, the smallest TFT I found is MAJESTIC TVD-215 TV LED 15" Amazn says it has SCART input. Klaus6 replies | 317 view(s)
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27th May 2020, 16:43Hi, several times I used a small flexible plastics tube. One end close to the ear, the other end for scanning the PCB. Klaus8 replies | 331 view(s)
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27th May 2020, 11:58Hi, Please notice that the forum members are spread all over the world with different experience, different ethnics and different ways of...6 replies | 298 view(s)
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26th May 2020, 16:12KlausST replied to a thread Link between sampling and accuracy in Analog Integrated Circuit (IC) Design, Layout and FabricationHi, first of all it depends on the voltage value of one LSB. And this depends on the decoding range of your ADC. We donīt know this. For sure...3 replies | 365 view(s)
About KlausST
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