KlausST
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Today, 13:15Hi, you are doing discrete design or IC design? .. would be good to know. (until post#5 I thought about discrete design) Klaus6 replies | 25 view(s) -
Today, 12:47Hi, The first thing that comes into my mind is to use a resistor to sense the current. This gives a voltage that is proportional to the current....6 replies | 25 view(s)
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Today, 12:41KlausST replied to a thread how to eliminate oscilation in current measuring circuit ? in Power ElectronicsHi, Please show the complete schematic with all correct informations...otherwise it just causes confusion. Especially for fast OPAMPs and fast...2 replies | 16 view(s)
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Today, 12:26Hi, this is not a safety problem for the PIC and other ICs....itīs a safety problem for humans. Can you really be sure that no one (customer)...2 replies | 11 view(s)
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Today, 11:54Hi, There is no "7905". If IC6 is a 7905, then obviously "IC6_IN" voltage is positive with respect to "IC6_GND" which is against 7905...10 replies | 141 view(s)
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Today, 11:47KlausST replied to a thread FLASH Memory IC default Erase in ASIC Design Methodologies and Tools (Digital)Hi, I wouldnīt expect it to be erased. But maybe it is. Since it is not mentioned in the datasheet... you can never be sure of it. Even if a...1 replies | 19 view(s)
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Today, 10:43Hi, We can help you, but we wonīt do the design for you. So: * show us your idea (even a hand drawn sketch will do) * I assume you already did...6 replies | 25 view(s)
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Today, 06:34KlausST replied to a thread How to implement timer to read sensor signal periodically without MCU in Elementary Electronic QuestionsHi, Please be more specific. "A sensor" can be almost any device... with any interface you can think of... It can be: * a simple resistor (...1 replies | 46 view(s)
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Today, 06:12Hi, What is a "voltage sensor"? What kind of part are you looking for? Voltmeter? Scope? Resistor? A more or less complex circuit? Klaus1 replies | 36 view(s)
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Today, 06:05KlausST replied to a thread when calculating the SNR of adc，should the bandwidth of noise be 1/2fsample？ in Analog Integrated Circuit (IC) Design, Layout and FabricationHi, many audio ADCs work with higher sampling rate, then they use digital filters, then they reduce the data rate..... Thus 1/2 f more relates to...2 replies | 55 view(s)
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Yesterday, 23:39Hi, If there are not different packages .... then there must be one "ideal" package. What package is the ideal one, that fits all customer's...4 replies | 120 view(s)
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Yesterday, 15:13Hi, maybe. But I assume the reference circuit and/or itīs description should give an answer. Klaus10 replies | 166 view(s)
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Yesterday, 13:23Hi, I rather think this rather shows a "short circuit" condition ... and not a "floating" condition. (edit: just recognized that kripacharya...3 replies | 116 view(s)
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Yesterday, 13:20Hi, I assume this rather shows the unwanted stray or wire/trace inductivity. Klaus10 replies | 166 view(s)
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25th June 2019, 22:58KlausST replied to a thread OV7670 camera interface with Digilent SPARTAN 3E in PLD, SPLD, GAL, CPLD, FPGA DesignHi, Try this. https://www.hirose.com/product/partner/?lang=de https://store.digilentinc.com/hirose-fx2-socket-connector-limited-time/...9 replies | 322 view(s)
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25th June 2019, 17:04Hi, Try this: https://lmgtfy.com/?q=online+heatsink+calculator Klaus7 replies | 186 view(s)
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25th June 2019, 15:41KlausST replied to a thread [SOLVED] Current source for high current LED driver- 24Vdc/max:16A in Analog Circuit DesignHi, I didnīt say you need resistors with true kelvin connections.... but if you want to spend the money ... it may be a further improvement. ...10 replies | 186 view(s)
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25th June 2019, 11:15KlausST replied to a thread [SOLVED] Current source for high current LED driver- 24Vdc/max:16A in Analog Circuit DesignHi, To the function: I see no problem with low side regulation, as long as wiring is correct. On the other side you donīt need to feel...10 replies | 186 view(s)
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25th June 2019, 10:53Hi, The schematic of post#29 has some issues. * 200 Ohms may be too low for a standard signal input * the pot misses the GND connection * the...37 replies | 726 view(s)
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25th June 2019, 07:49KlausST replied to a thread Car battery STARTER voltage help (not charger) using variety of methods (possibly AC) in Hobby Circuits and Small Projects ProblemsHi, It seems you don't have an idea about the current drawn at starting an engine. This you should do first. Ask at your car garage. Or do an...21 replies | 412 view(s)
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25th June 2019, 07:43KlausST replied to a thread measuring slow oscillations with magnetic methods in Miscellaneous EngineeringHi, Define your range of frequency. "Low frequency" does not mean anything. There are natural "low frequencies" with 0.0000224 Hz ... and...7 replies | 195 view(s)
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25th June 2019, 07:31Hi, Vague descriptions: "Perfect" --> there is no perfect. You need to live with non perfect waveform. How much tolerance in which regard can you...15 replies | 231 view(s)
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24th June 2019, 20:48KlausST replied to a thread Every few Hours clock running fast rtc1307 in Hobby Circuits and Small Projects ProblemsHi, What do you expect from us? * If you want us to validate the hardware --> you need to show us * If you want us to validate the software -->...3 replies | 99 view(s)
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24th June 2019, 16:59KlausST replied to a thread add new component EAGLE in PCB Routing Schematic Layout software and SimulationHi, either use the menu at the SCHEMATIC or BOARD window: Library -> use ... then select your library or use the CONTROL PANEL window: LIBRARIES...1 replies | 81 view(s)
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24th June 2019, 15:12Hi, did you use - or at least calculate whether you need a heatsink? Klaus7 replies | 186 view(s)
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24th June 2019, 15:07Hi, "GND" is just a name ... and it shoud be the signal where (most of) your voltages refer to. You may name every signal "GND" .. itīs up to...10 replies | 141 view(s)
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24th June 2019, 14:40KlausST replied to a thread Capacitor Burning issue due to unusual reasons in PC Programming and InterfacingHi, another confusion: The LEDs are connected to "VCC" --> Where is the VCC supply? Btw: Even the 2 Layer PCB includes no true GND plane....38 replies | 580 view(s)
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24th June 2019, 14:23Hi, Voltage regulator: Tries to keep the output voltage constant ... regardless of load resistance, regardless of current Current regulator:...3 replies | 117 view(s)
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23rd June 2019, 19:28KlausST replied to a thread OV7670 camera interface with Digilent SPARTAN 3E in PLD, SPLD, GAL, CPLD, FPGA DesignHi, I assume you are experienced enough not be afraid to use a new connector.... this is no rocket science. Additionally there are several...9 replies | 322 view(s)
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23rd June 2019, 18:09KlausST replied to a thread OV7670 camera interface with Digilent SPARTAN 3E in PLD, SPLD, GAL, CPLD, FPGA DesignHi, The OV7670 needs more than 60 I/O to connect to the spartan? Are you sure? Klaus9 replies | 322 view(s)
About KlausST
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