KlausST
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Today, 10:36Hi, Simplest solution: there are many SSRs with ZC switching included. Klaus2 replies | 47 view(s) -
Today, 10:31Hi, With your idea: Bandpassfilter filters out DC level, remaining pure AC. Then following RC filter show the DC level. Since DC already is...15 replies | 173 view(s)
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Today, 09:46Hi, This won't work. All you get is zero reading. If you want to see some amplitude related value, then you need a recifier before the RC. ...15 replies | 173 view(s)
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Today, 09:32KlausST replied to a thread [SOLVED] PLL and LCD: LCD shows garbage while PLL is used in MicrocontrollersHi, Alert! Stop reading here, if you can't stand the truth. ******** Come on! If you want us to help, you need to useful informations first!...7 replies | 325 view(s)
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Today, 08:30KlausST replied to a thread Class D audio chip MIX2052 in Hobby Circuits and Small Projects ProblemsHi, Clipping at higher volume is quite expectable. Clipping means that the supply rails limit the output signal. Thus - besides the chip - the...1 replies | 45 view(s)
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Yesterday, 22:47Hi, difficult to answer.. I just don't have the manual of your multimeter by the hand. Klaus15 replies | 173 view(s)
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Yesterday, 21:54Hi, I just did an internet search for "motor test equippment" ... a lot of good looking results. Did't you try this in your own? And for DC.....4 replies | 272 view(s)
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Yesterday, 08:31Hi, May I ask why you use a differential amlifier when you just use one output? To measure gain you need to involve both outputs: Vout = VOut+ -...12 replies | 368 view(s)
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Yesterday, 08:14KlausST replied to a thread Voltage sense using summing amplifier in Elementary Electronic QuestionsHi, Now two new resistors. They make things complicated, because they involve new source impedance, that needs to be added to the input...4 replies | 130 view(s)
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Yesterday, 07:43Hi, I don't understand: * when you say you use ft232, then your PIC needs to have an USB_host to operate it. If it does work with FT232, then...11 replies | 268 view(s)
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Yesterday, 07:29KlausST replied to a thread Voltage sense using summing amplifier in Elementary Electronic QuestionsHi, Please use the same voltage naming as in the schematic. (Why do you make it more complicated than necessary?) Please use the same resistor...4 replies | 130 view(s)
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27th February 2020, 20:28Hi, What efficiency? Motor_mechanical_power_out / electrical_DC_power_in ? Klaus4 replies | 272 view(s)
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26th February 2020, 20:55KlausST replied to a thread [SOLVED] PLL and LCD: LCD shows garbage while PLL is used in MicrocontrollersHi, Here I am. Yes, I agree with Brian: timing problem. But without useful informations..all we can do is guessing. No information about *...7 replies | 325 view(s)
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26th February 2020, 20:42Hi, Don't use a switch mode regulator without output capacitor. Depending what type it is it could immediately kill itself. Read the...6 replies | 280 view(s)
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26th February 2020, 08:17Hi In a byte there are 8 bits. Usually they are called bit 0 up to bit 7 in descending order (7654 3210) If you use this nomenclature (bit0 ......11 replies | 433 view(s)
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26th February 2020, 01:20Hi, It depends what you call "regulate". Without load, there will be output voltage..so it does regulate somehow. But there will be no...6 replies | 280 view(s)
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25th February 2020, 08:20Hi, The chosen high side switch has the desired "inverting" function. But it has an internal pull up current source. The voltage may go up to the...5 replies | 186 view(s)
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25th February 2020, 07:51Hi, A forum is not meant that others do your job or post code for you. Btw: an internet search gives a lot of application notes, tutorials,...5 replies | 268 view(s)
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25th February 2020, 07:33Hi, Actually you did not show a complete circuit to measure motor current. You showed a diagram with a couple if black boxes ... with unknown...6 replies | 379 view(s)
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25th February 2020, 00:42Hi, It may work, But I'd rather use a single part called " high side power switch, active low". Besides the desired function in a single tiny...5 replies | 186 view(s)
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24th February 2020, 09:13KlausST replied to a thread Calculating capacitor ripple current in output filter of DCDC module? in Power ElectronicsHi, Although I think that tan d will be higher at 20kHz ... the ESR may be lower... Usually if the capacitor is not specified for 20kHz or...11 replies | 471 view(s)
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24th February 2020, 07:22KlausST replied to a thread Calculating capacitor ripple current in output filter of DCDC module? in Power ElectronicsHi, "tan d of 0.08" is only half of the information you need. You additionally need the tan d test frequency to be able to calculate ESR. You...11 replies | 471 view(s)
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23rd February 2020, 20:10Hi, Yes, there are people that can build their own spectrum analyzer. But I doubt it makes sense for a single piece. It needs a lot of HF...13 replies | 659 view(s)
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23rd February 2020, 18:56KlausST replied to a thread Calculating capacitor ripple current in output filter of DCDC module? in Power ElectronicsHi, I agree. Klaus11 replies | 471 view(s)
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23rd February 2020, 03:30Hi, It's not only formulas, there are design rules, you need to make decisions... There are a lot of online courses, design notes, tutorials...14 replies | 623 view(s)
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22nd February 2020, 11:34Hi, One last comment. This is not true. --> In every post I told the key problem is that you don't keep on specifications and design rules....35 replies | 886 view(s)
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22nd February 2020, 10:40Hi, Ask yourself: * It works (by accident), just because you observed it's final function for some hours... * or it works reliably, because...35 replies | 886 view(s)
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22nd February 2020, 10:21Hi, If this is true, how can some of my applictions's display work? And read carefully: If you use multiplexing techniques (or other...6 replies | 336 view(s)
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22nd February 2020, 10:07KlausST replied to a thread [SOLVED] Online multisim simulation DC analysis in Analog Circuit DesignHi, V_CE of 4.6V makes no sense. Either it is * V_C (measured with respect to GND) instead of V_CE (with respect to emitter voltage) * or...1 replies | 203 view(s)
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22nd February 2020, 09:56Hi, Nobody wold build a house on weak surface with unsuitable material to test it's quality. Then build the real house with completely different...35 replies | 886 view(s)
About KlausST
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29th February 2020
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