KlausST
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Today, 07:59Hi, VDD voltage is explained in the datasheet. Where to get it from? Somewhere from you application. But we don't know this. Usually the same...12 replies | 397 view(s) -
Today, 07:46Hi, A simple internet search gives a lot of explanations and more detailed documents. Did you try this in your own? Go through a couple of...1 replies | 6 view(s)
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Today, 07:41KlausST replied to a thread Design Resource For Wireless Power Transfer in Electromagnetic Design and SimulationHi, https://lmgtfy.com/?q=rfid+coil+design Klaus3 replies | 113 view(s)
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Today, 02:31KlausST replied to a thread Design Resource For Wireless Power Transfer in Electromagnetic Design and SimulationHi, For RFID in the milliwatts range... Or for an induction stove in the kilowatts range... Klaus3 replies | 113 view(s)
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Yesterday, 18:28KlausST replied to a thread LTspice...splitting LT1243 output into two separate pulse streams in PCB Routing Schematic Layout software and SimulationHi, use an inverter in front of the DFF_CLK_Input. .. to clock the DFF at the falling edge of U1_ouput. The additional delay gives extra...9 replies | 224 view(s)
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Yesterday, 13:23KlausST replied to a thread Connect MQ135 Gas Sensor to Raspberry Pi 3B+ in Hobby Circuits and Small Projects ProblemsHi, My question was not about supply range. It was about input range. My question was for "in this configuration" ... and I referred to...7 replies | 317 view(s)
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8th December 2019, 16:05KlausST replied to a thread [SOLVED] Metastabilty and data loss in ASIC Design Methodologies and Tools (Digital)Hi, Metastability is caused by violating setup and hold timing. On may avoid it by using a synchronized signal. This may be impossible. Then...12 replies | 457 view(s)
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8th December 2019, 15:46KlausST replied to a thread Rectifier diodes with bypass capīs & gounding speaker basketīs in Hobby Circuits and Small Projects ProblemsHi, All we can do is guess. If you want a reliable answer then buy a resistor from a reliable source with detailed informations like...33 replies | 1327 view(s)
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8th December 2019, 15:22KlausST replied to a thread Distance between MCU-Phy-Magnetics-RJ45 in PCB Routing Schematic Layout software and SimulationHi, so the paper already gives the answer to the question: Itīs to reduce EMI. Now I donīt have the HF knowledge to verify this statement. So...7 replies | 393 view(s)
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8th December 2019, 15:13KlausST replied to a thread [SOLVED] Metastabilty and data loss in ASIC Design Methodologies and Tools (Digital)Hi, No, metastability = X = undefined But a synchronizer output should be considered as a defied logic level. Afaik a sysnchronizer can...12 replies | 457 view(s)
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8th December 2019, 15:04Hi, I'd go for * either 12V system * or 24V system. don`t go the mixed way. I tend to a 24V system because of the lower currents = lower...13 replies | 408 view(s)
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8th December 2019, 15:00KlausST replied to a thread Rectifier diodes with bypass capīs & gounding speaker basketīs in Hobby Circuits and Small Projects ProblemsHi, The bigger noise compared to metal film resistors here is of no interest. Any other noise around this resistor is magnitudes higher. But...33 replies | 1327 view(s)
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8th December 2019, 14:03Hi, Theretically infinite. * each one needs a unique /CS signal * you need to consider bus capacitance and dtive strength of each device....or...7 replies | 289 view(s)
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8th December 2019, 13:59Hi, Most probably the high side driver does not work as expected .... because it can only work with duty cycle less than 100%, because of it's...13 replies | 408 view(s)
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8th December 2019, 11:17KlausST replied to a thread [SOLVED] Metastabilty and data loss in ASIC Design Methodologies and Tools (Digital)Hi, X means the state is undefined = unknown. So if you send a "1" .... and you can't be sure the output is "1", then the output hast to be...12 replies | 457 view(s)
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8th December 2019, 11:03Hi, I didn't go through the complete circuit. A couple of issues. You say this circuit is for "cooling". But then there are a lot of diodes in...13 replies | 408 view(s)
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8th December 2019, 01:05KlausST replied to a thread Error while trying to compile a header file in Xilinx SDK in MicrocontrollersHi, What compiler? What target device? Klaus2 replies | 161 view(s)
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8th December 2019, 01:02Hi, If you wire VCC, then the target will be supplied. But for sure it has limited power drive capability. For a single IC this would be OK,...6 replies | 353 view(s)
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7th December 2019, 21:50Hi, This is not a serious question, is it? Electronics without power does not work. In doubt consult the datasheet. Klaus6 replies | 353 view(s)
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7th December 2019, 16:46KlausST replied to a thread Rectifier diodes with bypass capīs & gounding speaker basketīs in Hobby Circuits and Small Projects ProblemsHi, I donīt agree. Slo diodes may increase switching noise. Many (all?) Diodes usually are fast at turn ON. From high impedance to low...33 replies | 1327 view(s)
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7th December 2019, 13:47Hi, I canīt see nothing special. Itīs like the schematic shows. And I think itīs correct thay it is done. Nothing to worry about. But I canīt...7 replies | 355 view(s)
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7th December 2019, 12:36Hi, "Short" in the schematic or in the real circuit? * in the schematic: Only where a dot is, there is a connection. Where no dot is, there is...7 replies | 355 view(s)
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7th December 2019, 12:13Hi, secret circuits secret values secret informations ... We want to help, but how do you think we can help this way? Klaus18 replies | 527 view(s)
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7th December 2019, 08:39Hi, Before you design .... you should do some considerations and calculations. What are your expected R and C values? What's the input...18 replies | 527 view(s)
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6th December 2019, 15:03Hi, to adjust to DAC digital input range --> and thus itīs analog output range to full scale... Klaus5 replies | 262 view(s)
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6th December 2019, 14:19Hi, "100uF" does sound like an electrolytic capacitor. These are not suitable for fast spikes. They are for low frequencies only. --> use a...4 replies | 249 view(s)
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6th December 2019, 13:54Hi, I donīt think that 0x61 is the correct device address. How did you decide it? The wiring is unclear. Draw a sketch. Klaus Added:5 replies | 262 view(s)
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6th December 2019, 10:00KlausST replied to a thread Connect MQ135 Gas Sensor to Raspberry Pi 3B+ in Hobby Circuits and Small Projects ProblemsHi, are you sure 5V is within the specified ADC input range? What output value do you expect with this configuration. What range of ouput...7 replies | 317 view(s)
About KlausST
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