KlausST
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Yesterday, 09:02KlausST replied to a thread Transformer Phase shift used in isolated zero crossing detectors in Power ElectronicsHi, Ideal transformers don't have phase shift between V_in and V_out. Real transformers have. It is caused by the stray (series) inductance,...4 replies | 141 view(s) -
Yesterday, 08:42KlausST replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and PhysicsHi, I see your idea: There are positive signals causung some overtones...and there is the same signal negative ...and you want it to cancel all...13 replies | 412 view(s)
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Yesterday, 08:30Hi, "Which one is better?" in most cases are useless questions. Useless, because nobody knows what "better" means. Better in which regard?...3 replies | 182 view(s)
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Yesterday, 08:19Hi, First you need to give complete informations. --> replace the "?" with the logic levels you desire. Klaus7 replies | 243 view(s)
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17th November 2019, 21:12KlausST replied to a thread How to find the operating frequency for an ASIC? in ASIC Design Methodologies and Tools (Digital)Hi, The usual way is to set the timing constraint first, then the compiler should optimize it to match the specifications. If you first set to...2 replies | 128 view(s)
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17th November 2019, 10:48Hi, Rather straight forward: If cos = 0, then there are just two possible solutions: Phi = 90° when sin = positive Phi = 270° when sin =...16 replies | 369 view(s)
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17th November 2019, 10:43KlausST replied to a thread Rectifier diodes with bypass capīs & gounding speaker basketīs in Hobby Circuits and Small Projects ProblemsHi, Usuall you have this configuration: Line --> LF transformer -> bridge rectifier --> capacitors For sure the libe as well as the tranformer...12 replies | 422 view(s)
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17th November 2019, 10:29Hi, Sin/cos = tan Thus divide your "sin" value by your "cos" value. Mint the undefined situations where cos value ( 90° and 270°) Then from...16 replies | 369 view(s)
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16th November 2019, 16:42Hi, a motor is a device that tranforms electrical power to mechanical power (and vice versa). The mechanical power is: P = 2 * Pi * RPS *...8 replies | 579 view(s)
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16th November 2019, 15:35Hi, For sure the datasheet canīt give a table for every possible XTAL frequency. (It surely has enough pages yet. ) But you are able to use...8 replies | 279 view(s)
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16th November 2019, 15:09KlausST replied to a thread Doubt in the concept of 3 phase thyristor based full wave fully controlled rectifier in Power ElectronicsHi, There are several issues in your post/schematic. Please read some reliable documents from semiconductor manufacturers. They usually...4 replies | 217 view(s)
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16th November 2019, 12:47Hi, the datasheet should tell you the limitations. I doubt that a PIC generally has a baud rate limiting around 100kBaud. I rather assume...8 replies | 279 view(s)
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16th November 2019, 12:41KlausST replied to a thread "RS-232 port to transfer data to PC for analysis" in Software Problems, Hints and ReviewsHi, CRC has nothing to to with * the voltage levels * UART * USB * RS232 ... It is part of a protocol. This means: the data you send and...13 replies | 564 view(s)
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15th November 2019, 22:45Hi, Disabled outputs are floating = high impedance. This means the voltage is not defined...and thus is what you see. Additionally high...3 replies | 263 view(s)
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15th November 2019, 22:30Hi, This is not how a forum works. We don't spend our time to give a solution from the scratch. --> Show us what you did so far. Show us your...1 replies | 191 view(s)
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15th November 2019, 19:15Hi, An analog MUX usually is bidirectional. I think you donīt need this. OpenCollector outputs need a pullup. This may be waste of power or slow...7 replies | 243 view(s)
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15th November 2019, 19:01KlausST replied to a thread TVS Diodes power ratings for IEC 61000-4-5 in Professional Hardware and Electronics DesignHi, You may calculate the pulse energy that has to be dissipated by the diode. Or you run a simulation doing the math for you. Klaus3 replies | 257 view(s)
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15th November 2019, 18:59HI, You want us to do an ebay search for you? Why donīt you do it on your own? --> You get the same results than we, but faster. Klaus3 replies | 165 view(s)
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15th November 2019, 07:45KlausST replied to a thread Will this ceramic capacitor be damaged by overvoltage spikes? in Analog Circuit DesignHi, What value is the capacitor. Why this question? I see high rise and fall rate. With a capacitor this means high charge and discharge...6 replies | 273 view(s)
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15th November 2019, 02:24Hi. No. Definitely not. Apparently you misunderstand what "toggle" means. Toggle means * invert * in other words: when the LED previously...12 replies | 368 view(s)
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14th November 2019, 19:36Hi, XOR with it self = switching OFF XOR with 1 = toggle ****** So far so good. But you want it to blink. Blink means: OFF - wait - ON...12 replies | 368 view(s)
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14th November 2019, 14:45Hi, Iīm not experienced with PIC. But there are a lot of informations that donīt match. You say: So this canīt be correct. Now you say...12 replies | 368 view(s)
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14th November 2019, 13:30Hi, You donīt have to call the timer_isr. The timer_isr is automatically performed after every timer interrupt. Klaus Added:12 replies | 368 view(s)
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14th November 2019, 09:58KlausST replied to a thread [SOLVED] Differential amplifier measure -32V to +32V with single 3.V supply in Analog Circuit DesignHi, The more sophisticated solution is to use an INA. But with your application I see no need for it. If you want the middle point to output...8 replies | 265 view(s)
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14th November 2019, 08:14Hi, Replace R15 with a 10uH inductance. No, joke aside. It's impossible for us to give help without knowing your circuit and software. You...2 replies | 156 view(s)
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14th November 2019, 08:01KlausST replied to a thread [SOLVED] Differential amplifier measure -32V to +32V with single 3.V supply in Analog Circuit DesignHi, I've never heard about a microcontroller ADC with this (big) problem. Why don't you tell us the exact part name and vendor, or post a link...8 replies | 265 view(s)
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14th November 2019, 00:15Hi, and if you not only want to emulate "function" but also "timing", then it becomes even more difficult. Klaus9 replies | 358 view(s)
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14th November 2019, 00:07KlausST replied to a thread [SOLVED] type 1 compensation in voltage regulators in Analog Circuit DesignHi, Then do so....just by pressing the "Mark as solved" button below. Klaus6 replies | 303 view(s)
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13th November 2019, 23:55Hi, Read about the charging methods. Read through battery manufacturer provided documents. Read through batteryuniversity.com Read through...2 replies | 246 view(s)
About KlausST
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