KlausST
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Yesterday, 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. -->...6 replies | 112 view(s) -
Yesterday, 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...6 replies | 112 view(s)
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Yesterday, 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...3 replies | 50 view(s)
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Yesterday, 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 | 71 view(s)
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Yesterday, 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 | 314 view(s)
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Yesterday, 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 | 284 view(s)
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Yesterday, 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 | 303 view(s)
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Yesterday, 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 | 314 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 | 163 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 | 339 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 | 339 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 | 278 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 | 339 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 | 248 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 | 248 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 | 295 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 | 976 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 | 195 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 | 377 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 | 211 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 | 211 view(s)
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23rd May 2020, 06:45Hi, You mix two different things: * power supply voltage * digital signal voltage levels. V_IH, V_Imax LOW level is not the problem at all....4 replies | 324 view(s)
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22nd May 2020, 22:31Hi, Explain "ruin". Best if you can calculate volts. Klaus2 replies | 134 view(s)
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22nd May 2020, 16:28KlausST replied to a thread Will a filter block this waveform? in Hobby Circuits and Small Projects ProblemsHi, To be exact: It already contains harmonics, it does not produce it. Klaus25 replies | 618 view(s)
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22nd May 2020, 16:21Hi, How else? But wait. The benefit of OR is, that all other bits remain unchanged.. Letīs assume you have a register of unknown value:...12 replies | 344 view(s)
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22nd May 2020, 14:34Hi, you may try internet search like on your own. First hit leads to this page: https://en.wikipedia.org/wiki/Operators_in_C_and_C%2B%2B ...12 replies | 344 view(s)
About KlausST
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