KlausST
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Today, 16:22Hi, I think the circuit could work. But why do you use a pulse input ... of that high magnitude.? --> Use a sine shape waveform of 1kHz and...5 replies | 87 view(s) -
Today, 08:49Hi, Why not simply switching low side = GND of the peltier? Why not using a dedicated Highside_switch? Why not using standard P_channel circuits...20 replies | 654 view(s)
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Today, 08:44KlausST replied to a thread Supercap charging using load switch and current limit resistor in Analog Circuit DesignHi, Yes. Turn ON starts at about 1.8V, but one can not see this, becayse the signal is chip internal. But after the turn ON delay you see the...1 replies | 37 view(s)
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Today, 00:11Hi, "keyboard" has many meanings. Please clarify which one you mean. And describe the expected function. Example: computer keyboard. Do you...2 replies | 127 view(s)
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Yesterday, 23:54KlausST replied to a thread How to access Micron MT25Q nor flash in Embedded Linux and Real-Time Operating Systems (RTOS)Hi, A lot of text, no clear question, not much we can verify... Please give * (a link to) the datasheet * your code * the scope picture *...3 replies | 153 view(s)
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Yesterday, 11:22Hi, Do you think you find a single person in this forum who does not think reading documents is boring? Thereīs no way around. Klaus8 replies | 434 view(s)
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Yesterday, 11:15Hi Then you donīt need to accumulate something, you just need to measure the phase difference. If phase difference is 5us --> show 5us (= "1"...11 replies | 299 view(s)
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Yesterday, 09:18Hi, What about a sketch and/or timing diagram? "Phase should be accumulated", means:at the beginning, if phase is 5us then the result is "5us"...11 replies | 299 view(s)
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Yesterday, 09:03Hi, I'm still not sure whether you want a digital system or an analog system. XOR --> low_pass_filter --> analog value You may use an...11 replies | 299 view(s)
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Yesterday, 08:52KlausST replied to a thread MOC3020/BTA41 circuit problem in Hobby Circuits and Small Projects ProblemsHi, In the link they talk about a three phase system, where the load connection is delta wired. So do you have a three phase system? And is...10 replies | 353 view(s)
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Yesterday, 07:39Hi, If you want to regulate the power of a peltier you need to control the voltage...somehow You can't keep voltage at constant 15.0V. Again...20 replies | 654 view(s)
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Yesterday, 07:26Hi, The obvious thing is to use a "phase comparator circuit". But most probably you already tried/simulated this and failed .... otherwise you...11 replies | 299 view(s)
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10th December 2019, 08:40Hi, There's nothing wrong with it. No. This is a more complicated way to check if it operates....but it's no way to check accuracy, because...8 replies | 434 view(s)
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10th December 2019, 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 | 621 view(s)
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10th December 2019, 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 | 123 view(s)
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10th December 2019, 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 | 232 view(s)
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10th December 2019, 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 | 232 view(s)
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9th December 2019, 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...10 replies | 392 view(s)
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9th December 2019, 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 | 376 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 | 545 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 | 1363 view(s)
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8th December 2019, 15:22KlausST replied to a thread [SOLVED] 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...8 replies | 504 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 | 545 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...20 replies | 654 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 | 1363 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 | 345 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...20 replies | 654 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 | 545 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...20 replies | 654 view(s)
About KlausST
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