KlausST
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Yesterday, 17:41Hi, I donīt agree. I always measure VAC directly (DC shifted) with the MCU. AC voltage is defined as V_RMS which takes care about waveform. ...2 replies | 63 view(s) -
Yesterday, 17:30Hi, V_out = V_CM + V_offset * gain (Where V_offset is the combination of V_offset (datasheet) + I_bias * R_input) *** Btw: Why do you...6 replies | 81 view(s)
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Yesterday, 16:40KlausST replied to a thread minimum depth for data streaming through async fifo in ASIC Design Methodologies and Tools (Digital)Hi, even "locked" clock signals will move. But how much? It depends on * the stability of the input clock * the division and...24 replies | 408 view(s)
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Yesterday, 16:24KlausST replied to a thread How to make a 5V negative supply using the LM2576 regulator in Analog Circuit DesignHi, is there any question? Otherwise it should be moved to the "Show your DIY" section. The problem is the bad GND wiring. If youīre...3 replies | 94 view(s)
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Yesterday, 14:20Hi, my personal opinion: If you want to learn C for ARM, then I see no need to learn other microcontroller first. Klaus4 replies | 79 view(s)
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Yesterday, 11:47Hi, hard to say without information from your side. Often: yes. Klaus3 replies | 153 view(s)
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Yesterday, 11:45Hi, Sorry I canīt give you an answer to your question. But I think the 8051 are outdated now - although still widely used. But there are more...4 replies | 79 view(s)
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Yesterday, 09:57KlausST replied to a thread Best microcontroller for WPA2 Enterprise connection? in MicrocontrollersHi, Then 2 additional bytes sufficient!? Klaus8 replies | 93 view(s)
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Yesterday, 08:52KlausST replied to a thread Best microcontroller for WPA2 Enterprise connection? in MicrocontrollersHi, You already know that memory is low... but the same time miss to tell how much memory you need. Klaus8 replies | 93 view(s)
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Yesterday, 08:45KlausST replied to a thread torque screw instead of ring terminals in Elementary Electronic QuestionsHi, manually tinned wires are a no-go for reliable and especially for high current connections. The tin is weak and will loose contact force with...2 replies | 99 view(s)
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17th March 2019, 22:39KlausST replied to a thread Proper undervoltage lockout for battery powered device in Power ElectronicsHi, Depending on battery chemistry you may go lower with the OFF threshold.. But why switch ON with that 300mV small hysteresis, this means...5 replies | 159 view(s)
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17th March 2019, 22:28Hi, Sorry, I can't follow all your description. Please show your schematic, your PCB layout and a detailed description of the applied and...2 replies | 109 view(s)
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17th March 2019, 22:17KlausST replied to a thread LGA-12 footprint design in PCB Routing Schematic Layout software and SimulationHi, You talk about soldering problems? False disconnect? Klaus4 replies | 158 view(s)
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17th March 2019, 18:30KlausST replied to a thread LGA-12 footprint design in PCB Routing Schematic Layout software and SimulationHi, What trouble? Klaus4 replies | 158 view(s)
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17th March 2019, 17:50Hi, I don't think so. Please check low pass filtered XOR output vs phase_shift. --> You will see it has equal positive as well as negative...7 replies | 240 view(s)
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17th March 2019, 14:33KlausST replied to a thread How to design an class d output filter ( active filter )? in Analog Circuit DesignHi, 1) choosing the right devices may not significantely drop the efficiency 2) compared with the OP's solution to use an active filter --> the...7 replies | 184 view(s)
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17th March 2019, 14:09KlausST replied to a thread Temperature to voltage or 1wite digital converter with high presicison? in Analog Circuit DesignHi, Don't compare apples and oranges. You forgot to calculate the ADC and the VoltageRef: For your cost calculation: * temp_to_voltage + ADC...2 replies | 82 view(s)
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17th March 2019, 13:26Hi, For sure it's possible to pass EMC test with 2 layers. I've done it many times. But it needs to know about the crutical current loops,...10 replies | 662 view(s)
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17th March 2019, 13:21KlausST replied to a thread PCB design and schematic for a half bridge power amplifier. in PCB Routing Schematic Layout software and SimulationHi, My pcb layout recommendation. * use one side with GND copper pour, with at least as possible other traces. Please show the complete...5 replies | 173 view(s)
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17th March 2019, 13:06KlausST replied to a thread How to design an class d output filter ( active filter )? in Analog Circuit DesignHi, Just use a passive filter. It should be calculated according real used load impedance. Klaus7 replies | 184 view(s)
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16th March 2019, 16:26Hi, ... itīs like: "Iīm planning to learn sports" ... A wide range: from chess, referee, athletics ... to MMA. Where to start? Donīt say:...10 replies | 287 view(s)
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16th March 2019, 15:50Hi, I canīt give a suggestion. Generally: If you ask for a suggestion without providing any information what you want to do with it.......10 replies | 287 view(s)
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16th March 2019, 15:10Hi, Aren't the IGBTs Ron higher than the desired values?! --> Please tell us your "desired values" Klaus8 replies | 171 view(s)
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16th March 2019, 14:42Hi, search through the text and find the "linefeed" chracter Klaus4 replies | 120 view(s)
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16th March 2019, 14:40Hi, you may use a solid state relay, or photoMOS, or a mechanical relay. You know: You didnīt give any specification about voltage, current,...8 replies | 171 view(s)
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16th March 2019, 14:36KlausST replied to a thread [PIC] ADC interrupt not generated in PIC24FJ128GB204 in MicrocontrollersHi, debug: check the state of the interrupt flag by polling. Klaus5 replies | 137 view(s)
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16th March 2019, 14:34Hi, It seems "micros()" is a value generated by the arduino using interrrupts. --> use interrupts in your PIC24, too. Or even simpler:...1 replies | 63 view(s)
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16th March 2019, 13:25Hi, I have only some minor experience with ARM. Generally: ARM is just an IP, this means people designed ARM and sold the design, they did not...10 replies | 287 view(s)
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15th March 2019, 21:42KlausST replied to a thread minimum depth for data streaming through async fifo in ASIC Design Methodologies and Tools (Digital)Hi, please understand, it's impossible to give a good answer without knowing details about your both clocks. If you need answer: Please...24 replies | 408 view(s)
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15th March 2019, 21:36Hi, Without more information it's hard to give good advice. Maybe it's a BTL output, maybe it's class D output.... In my eyes it's no good...3 replies | 248 view(s)
About KlausST
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