KlausST -

Yesterday, 07:44

KlausST replied to a thread Question about a car electric tester pen in Power Electronics

Hi, The problem with your circuit is, that LEDs can withstand only 5V in reverse polarity. For this the resistor is no protection, it just...

7 replies | 177 view(s)

26th May 2018, 18:09

KlausST replied to a thread Connection for unused dual purpose pins of CPLD in PLD, SPLD, GAL, CPLD, FPGA Design

Hi, I usually don't externally connect unused pins to GND (or any other signal). You are more flexible to config these pins by program. ESD...

4 replies | 194 view(s)

26th May 2018, 12:40

KlausST replied to a thread Way forward of H-Bridge inverter/converter common issues in Power Electronics

Hi, Heating up and damage of a IR2110 is usually not the problem of the device but wrong design. IR2110 will work reliably as long as one...

2 replies | 99 view(s)

26th May 2018, 12:08

KlausST replied to a thread Read operation of a memory and clock cycles in ASIC Design Methodologies and Tools (Digital)

Hi, For sure you are free to add extra logic to generate the desired delay by one clock cycle. But what's the benefit? Klaus

2 replies | 65 view(s)

26th May 2018, 07:24

KlausST replied to a thread Circuit for Interfacing LCD in Elementary Electronic Questions

Hi, The datasheet should tell you. --> read the datasheet. Also read about valid VCC range. Most displays need a contrast voltage (VEE) that...

2 replies | 151 view(s)

26th May 2018, 07:09

KlausST replied to a thread [PIC] How to configure an UART to PIC16F18877 in Microcontrollers

Hi, Please don't let us ask for every item repeatedly. Don't waste your (and our) time. Klaus

4 replies | 148 view(s)

26th May 2018, 00:31

KlausST replied to a thread I have to make assembly in Elementary Electronic Questions

Hi, Give useful informations. Ask an elaborated question. Klaus

1 replies | 91 view(s)

25th May 2018, 23:21

KlausST replied to a thread [PIC] How to configure an UART to PIC16F18877 in Microcontrollers

Hi, The datasheet information should be sufficient. Did you try online calculators, documents, video tutorials? If you need further help:...

4 replies | 148 view(s)

25th May 2018, 18:23

KlausST replied to a thread Atmega8 crashes when ADC value reads at a fast rate in Microcontrollers

Hi, I assume you never showed this piece of code. Nor did you show the Timer0 setup nor the interrupt setup. So the complete thred was rather...

25 replies | 658 view(s)

25th May 2018, 17:30

KlausST replied to a thread Atmega8 crashes when ADC value reads at a fast rate in Microcontrollers

Hi, What are you talking about? I can´t find an ISR in your code. Klaus

25 replies | 658 view(s)

25th May 2018, 13:20

KlausST replied to a thread DC DC boost converter in Power Electronics

Hi, consider to use a battery as enrgy storage. Klaus

3 replies | 106 view(s)

25th May 2018, 12:01

KlausST replied to a thread Flyback converter EMI vs capacitive touch buttons in Power Electronics

Hi, is there a fix connection with mains, or a plug that can be turned? Show your filter and power supply circuit. Klaus

11 replies | 168 view(s)

25th May 2018, 11:32

KlausST replied to a thread STPM10 Data active energy calculation problem in Analog Circuit Design

Hi, We don´t know waht microcontroller and we don´t know what compiler you use. SDA and SCL need external pullup, we don´t see the circuit,...

6 replies | 102 view(s)

25th May 2018, 10:45

KlausST replied to a thread Atmega8 crashes when ADC value reads at a fast rate in Microcontrollers

Hi, repeated: Klaus

25 replies | 658 view(s)

25th May 2018, 10:43

KlausST replied to a thread Two-switch logic-level LS/HS MOSFETs driver in Power Electronics

Hi, It seems you are looking for the very common and widly used MOSFET drivers. Did you ever do a search for MOSFET drivers? The most...

3 replies | 55 view(s)

25th May 2018, 10:37

KlausST replied to a thread adapter-12v/60w Design Issues in Power Electronics

Hi, Sounds like a unsuitable thermal concept: * either too high power dissipation: use devices with less power dissipation * or small heat...

5 replies | 92 view(s)

25th May 2018, 10:31

KlausST replied to a thread Flyback converter EMI vs capacitive touch buttons in Power Electronics

Hi, I assume it´s the coupled switching noise that affects the touch button operation. The touch button circuit works with tiny capacitance...

11 replies | 168 view(s)

25th May 2018, 10:16

KlausST replied to a thread Atmega8 crashes when ADC value reads at a fast rate in Microcontrollers

Hi, Did you read the datasheet about starting a conversion, and what options there are? Did you already do a forum search? Did you already do an...

25 replies | 658 view(s)

25th May 2018, 10:01

KlausST replied to a thread Difference in Delays of the same cells in best run and worst run in ASIC Design Methodologies and Tools (Digital)

Hi, maybe there is a clock involved ..about 350MHz? Klaus

2 replies | 63 view(s)

25th May 2018, 07:28

KlausST replied to a thread Atmega8 crashes when ADC value reads at a fast rate in Microcontrollers

Hi, This makes me assume you have a lot of noise an uncertainty..like expected. **** You can't achieve 230us ... when the datasheet says...

25 replies | 658 view(s)

25th May 2018, 07:17

KlausST replied to a thread Electrical noise generated by sealed lead-acid batteries in Power Electronics

Hi, 0.5uV in a 10V range makes a 1:20,000,000 resolution. This means at least 24 bit (noise free) resolution. It's a hard job. (I doubt I could...

3 replies | 115 view(s)

25th May 2018, 06:45

KlausST replied to a thread PIC12F675 C code doesnt work in Microcontrollers

Hi, This is a known problem of the forum HTML parser. It treats the text between "<" and ">" as tags.... I've just corrected this in the post...

12 replies | 295 view(s)

24th May 2018, 16:52

KlausST replied to a thread Transistor recommendation sought in Hobby Circuits and Small Projects Problems

Hi, Nor do I. ...and because of this the given distributor chart selection is that useful. For all of us. It´s free and simple to use....

16 replies | 303 view(s)

24th May 2018, 16:12

KlausST replied to a thread What kind of transistor is best optimized for short term power dissipation? in Analog Circuit Design

Hi, Usually this should be included in the datasheet. Which device (datasheet) particularly are you looking at? Klaus

14 replies | 234 view(s)

24th May 2018, 15:51

KlausST replied to a thread Atmega8 crashes when ADC value reads at a fast rate in Microcontrollers

Hi, You may also say "attenuated" --> The real AC input voltage is higher than the AC voltage at the ADC Then use a piece of paper an a...

25 replies | 658 view(s)

24th May 2018, 08:55

KlausST replied to a thread Bipolar stepper motor code in VHDL ? in PLD, SPLD, GAL, CPLD, FPGA Design

Hi, I´ve spent a lot of time to give 158,000 possible solutions for you: ;-) http://lmgtfy.com/?q=bipolar+stepper+vhdl Klaus

1 replies | 67 view(s)

24th May 2018, 08:44

KlausST replied to a thread Switching single phase two times as shown in Power Electronics

Hi, Between Line (L) and Neutral (N) there should be 220V continously, independent of lamp status. I assume the voltage you measure is...

2 replies | 73 view(s)

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