KlausST
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Today, 11:58Hi, Please notice that the forum members are spread all over the world with different experience, different ethnics and different ways of...4 replies | 84 view(s) -
Yesterday, 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 | 124 view(s)
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Yesterday, 15:22Here is a link https://mayuwater.com/ how it works so as to make the water rotate like this ??1 replies | 96 view(s) -
Yesterday, 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 | 272 view(s)
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Yesterday, 13:01Hi, What about digital pot / EPOT / EEPOT? Klaus5 replies | 199 view(s)
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Yesterday, 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 | 199 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 | 258 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 | 258 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 | 200 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 | 101 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 | 403 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 | 321 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 | 365 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 | 403 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 | 182 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 | 395 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 | 395 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 | 323 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 | 395 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...5 replies | 301 view(s)
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24th May 2020, 11:56Hi, Short answer: no Ground plane - no reliable operation. Keep on design rules and PCB layout recommendations. Klaus5 replies | 301 view(s)
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24th May 2020, 00:57KlausST replied to a thread Time Interleaved ADC Filtering at Output in Analog Integrated Circuit (IC) Design, Layout and FabricationHi, Please describe more exactly what's your concern. Klaus3 replies | 326 view(s)
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23rd May 2020, 13:42Hi, feel free to use the internet search on your own: * "LDO basics" * *How to design an LDO" * "LDO design tutorial" .. or similar. Many...3 replies | 981 view(s)
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23rd May 2020, 13:37Hi, There are many LDO example circuits in the internet. Some even with explanations and calculations. Choose one. Do some tests. If you...2 replies | 226 view(s)
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23rd May 2020, 13:34KlausST replied to a thread Class C amplifier biasing. in Hobby Circuits and Small Projects ProblemsHi, I recommend to use a simulation tool. Some are free, quite good and easy to use. Then you can play around and see the obvoius. Like...5 replies | 416 view(s)
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23rd May 2020, 12:09KlausST replied to a thread Bias clamper for class C amplifier in Hobby Circuits and Small Projects ProblemsHi, It is not zero_current / zero_Ohm, it is not hard ON/OFF, it is soft somehow. The closer you go the the 0.7V the softer it looks like. If you...3 replies | 238 view(s)
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23rd May 2020, 07:59KlausST replied to a thread Bias clamper for class C amplifier in Hobby Circuits and Small Projects ProblemsHi, It still is an analog part...which causes increasing current, no ON/OFF. And there is some series resistance... Klaus3 replies | 238 view(s)
About KlausST
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