KlausST
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Today, 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 | 208 view(s) -
Today, 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...2 replies | 116 view(s)
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Yesterday, 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 | 121 view(s)
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Yesterday, 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...8 replies | 241 view(s)
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Yesterday, 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...8 replies | 241 view(s)
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Yesterday, 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 | 217 view(s)
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Yesterday, 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...8 replies | 241 view(s)
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Yesterday, 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...4 replies | 176 view(s)
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Yesterday, 11:56Hi, Short answer: no Ground plane - no reliable operation. Keep on design rules and PCB layout recommendations. Klaus4 replies | 176 view(s)
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Yesterday, 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 | 233 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 | 948 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 | 162 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 | 310 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 | 175 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 | 175 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 | 270 view(s)
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22nd May 2020, 22:31Hi, Explain "ruin". Best if you can calculate volts. Klaus2 replies | 104 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 | 475 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 | 271 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 | 271 view(s)
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22nd May 2020, 14:30Hi, not that bad. Such copper arts usually are much better than any breadboard...or single layer PCB. Klaus17 replies | 505 view(s)
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22nd May 2020, 13:43Hi, Weird? Iīm not sure. This is why a solid GND plane is that important (Like I very often write in my posts). And then one can see that...17 replies | 505 view(s)
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22nd May 2020, 13:37Hi, And often double edge triggered is not useful at all. Whatīs your exact application that needs double edge triggering? ...and then: how is...6 replies | 245 view(s)
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22nd May 2020, 10:19KlausST replied to a thread [PIC] SPI communication between W5100 and PIC 18F4550 in MicrocontrollersHi, usually the datasheet. Itīs quite a general question, so what exactly do you need to know. SPI (hardware, timing) is well...2 replies | 152 view(s)
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22nd May 2020, 10:15Hi, you choose 1206 now. It may be rated for 0.4W. Your expected power dissipation is more than 200mW. You need to know that the rated 0.4W is...37 replies | 1082 view(s)
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22nd May 2020, 06:39Hi, It's recommended that you use a suitable relay. It's recommended that you calculate power dissipation of resistors and use suitable package....37 replies | 1082 view(s)
About KlausST
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