KlausST
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Today, 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...4 replies | 89 view(s) -
Today, 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...2 replies | 80 view(s)
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Today, 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...10 replies | 327 view(s)
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Yesterday, 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...8 replies | 338 view(s)
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Yesterday, 18:06Hi, you want it for video only or audio, too? SCART supports various video interfaces, which one do you want to use? Klaus3 replies | 157 view(s)
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Yesterday, 17:12Hi, the smallest TFT I found is MAJESTIC TVD-215 TV LED 15" Amazn says it has SCART input. Klaus3 replies | 157 view(s)
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Yesterday, 16:43Hi, several times I used a small flexible plastics tube. One end close to the ear, the other end for scanning the PCB. Klaus4 replies | 116 view(s)
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Yesterday, 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 | 144 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 | 157 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 ??1 replies | 127 view(s) -
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 | 328 view(s)
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26th May 2020, 13:01Hi, What about digital pot / EPOT / EEPOT? Klaus5 replies | 225 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 | 225 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 | 265 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 | 265 view(s)
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25th May 2020, 20:45Hi, I didn't go through the complete circuit... For calibration: * Usually first the input is open or short circuit (zero input), then the...6 replies | 223 view(s)
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25th May 2020, 16:44Hi, usually the sensor manaufacturers provide informations on how to calibrate the sensors. Do a search on their internet site and/or contact...1 replies | 111 view(s)
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25th May 2020, 12:00KlausST replied to a thread Doing electronics on an office carpet (non ESD) in Elementary Electronic QuestionsHi, ESD fails may be immedialtely but they may fail even after months. ESD fails do not necessarily cause a "no function" fail. With an OPAMP...10 replies | 412 view(s)
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25th May 2020, 06:42KlausST replied to a thread Covergance Problem in Transient Bias Point Calculation in PCB Routing Schematic Layout software and SimulationHi, The answer is already given in post#2. A closing "ideal" switch with two "ideal" capacitors gives "infinite" current at zero charging time. ...4 replies | 323 view(s)
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25th May 2020, 00:41Hi, Be sure you connected the negative DVM input to PIC_GND. Do verifying measurements to * VCC * LED (each pin) * resistor (each pin) And...7 replies | 378 view(s)
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25th May 2020, 00:31KlausST replied to a thread Doing electronics on an office carpet (non ESD) in Elementary Electronic QuestionsHi, If I remember right you already asked similar questions .... As long as the ESD voltage affects all device pins equally, there is no ESD...10 replies | 412 view(s)
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24th May 2020, 17:55Hi, I canīt answer your first question... But inductance does not depend on material (Au vs Al), inductance (mainly) depends on geometric...3 replies | 186 view(s)
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24th May 2020, 15:28Hi, you may be upset. today. But maybe in some time, when you have learned what values one needs to determine R_ds_ON... you may understand my...9 replies | 404 view(s)
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24th May 2020, 14:54Hi, Ok, counter question: whatīs the point of a question that is that incomplete and thus canīt be answered? For me itīs similar to: Whatīs the...9 replies | 404 view(s)
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24th May 2020, 14:15KlausST replied to a thread Measuring voltage drop across a diode in a switching circuit in Elementary Electronic QuestionsHi, 0.7V is by far not a fixed value. It depends on a lot of parameters * device type * internal (and external) series resistors * current...6 replies | 332 view(s)
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24th May 2020, 14:03Hi, You want us to read the datasheet for you? Or why do you ask? There are some values in the specifications table (4.5V doesn't differ that...9 replies | 404 view(s)
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24th May 2020, 13:57Hi, Traces ... wires ... can not replace a Ground plane. I (and others) already discussed this here many times. Just do a search. All I could...8 replies | 338 view(s)
About KlausST
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