KlausST
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Today, 14:16KlausST replied to a thread A question about Manual Press Fit DIN connector machine in PCB Routing Schematic Layout software and SimulationHi, Iīd ask the connector manufacturer or connector distributor. Klaus1 replies | 40 view(s) -
Today, 14:03Hi, in the datasheet there is a chapter "Design considerations". If you donīt keep on them you should not be surprised if it does not work. ...1 replies | 49 view(s)
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Today, 13:56Hi, Sorry, my fault. I also meant ADE7868. Still I donīt find the information that itīs not possible to use it in single phase application. ...7 replies | 146 view(s)
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Today, 08:05Hi, Out of curiosity I tried to find out why AD7686 can not be used in single phase mode by going through the datasheet. I could not find such...7 replies | 146 view(s)
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Today, 07:45Hi, 1) Did you read the datasheets? Are you sure the 3-phase ones can't be used for single phase? 2) You surely are free to use 3 x single...7 replies | 146 view(s)
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Today, 07:41Hi, There are really many DC/DC converters directly outputing +15V and -15V. Farnell lists more than 800 devices with dual output +/-15V. ...4 replies | 180 view(s)
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Today, 07:34Hi, Daisy chaining JTAG devices should need no extra logic. It can simply be done with JTAG protocol. You should be able program to program one...13 replies | 391 view(s)
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Yesterday, 19:27Hi, Why you want tristate? It is an undefined logic level. The receiver may see HIGH or LOW, or oscillation... Klaus13 replies | 391 view(s)
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Yesterday, 07:22KlausST replied to a thread Difference circuit not acting as expected in Analog Integrated Circuit (IC) Design, Layout and FabricationHi, It seems you work with digital signals. If so, then use ICs designed for digital operation. (An OPAMP is designed fir analog signals and thus...3 replies | 148 view(s)
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18th November 2019, 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 | 168 view(s)
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18th November 2019, 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...17 replies | 597 view(s)
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18th November 2019, 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 | 231 view(s)
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18th November 2019, 08:19Hi, First you need to give complete informations. --> replace the "?" with the logic levels you desire. Klaus13 replies | 391 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 | 137 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 | 412 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 | 485 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 | 412 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 | 591 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 | 312 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 | 229 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 | 312 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 | 588 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 | 279 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 | 262 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...13 replies | 391 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 | 331 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 | 182 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 | 298 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 | 407 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 | 407 view(s)
About KlausST
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20th November 2019
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