KlausST
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Today, 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...4 replies | 65 view(s) -
Today, 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...19 replies | 532 view(s)
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Today, 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.) Klaus1 replies | 71 view(s)
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Today, 15:01Hi, looks good. Good luck. Keep us informed. Klaus25 replies | 2435 view(s)
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Today, 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...13 replies | 510 view(s)
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Today, 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...19 replies | 532 view(s)
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Yesterday, 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...19 replies | 532 view(s)
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Yesterday, 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 | 230 view(s) -
Yesterday, 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 | 206 view(s)
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Yesterday, 10:52Hi, No. Nothing simpler than a ready to buy 1-part solution. Like TRACO TEC 2-2415. Klaus9 replies | 273 view(s)
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Yesterday, 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...13 replies | 510 view(s)
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Yesterday, 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 | 257 view(s)
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Yesterday, 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 | 273 view(s)
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Yesterday, 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 | 198 view(s)
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Yesterday, 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...19 replies | 532 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...13 replies | 510 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 | 282 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 | 282 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 | 257 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...5 replies | 192 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...2 replies | 217 view(s)
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26th May 2020, 15:22Here is a link https://mayuwater.com/ how it works so as to make the water rotate like this ??3 replies | 230 view(s)
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26th May 2020, 13:39KlausST replied to a thread Circuit don't work in Microcap (555-based class-D) in Elementary Electronic QuestionsHi, ... or use a ready to buy class D amplifier IC. Farnell lists about 30 different ICs below 1. And they have good audio quality and power....6 replies | 400 view(s)
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26th May 2020, 13:01Hi, What about digital pot / EPOT / EEPOT? Klaus5 replies | 263 view(s)
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26th May 2020, 09:37Hi, upload a photo of the PCB, where we can see all the connections. You said you have a schematic, then upload it. Hand drawn is O.K. Tell...5 replies | 263 view(s)
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25th May 2020, 23:44Hi, With 5V logic supply, then 3.3V input signal is not HIGH. With CMOS logic (HC), valid high levels are 0.7V x Vcc = 0.7 x 5V = 3.5V. -->...7 replies | 311 view(s)
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25th May 2020, 20:57Hi, I don't understand your textual explanation, nor do I understand what function you expect... But as soon as /OE are high then the output is...7 replies | 311 view(s)
About KlausST
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- Digital Signal Processing, Microcontrollers, Power Electronics
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Please donīt contact me via PM, because there is no time to respond to them. No friend requests. Thank you.
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