KlausST
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Yesterday, 10:21Hi, I wonder who designed the "Recommended Circuit Diagram" of the application note. In my eyes a "constant current circuit" should provide...12 replies | 522 view(s) -
Yesterday, 09:03Hi, you missed to add the 40k resistor between R5 and R6.. Klaus13 replies | 670 view(s)
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Yesterday, 07:04Hi, Why do you use software UART instead of hardware UART? Klaus13 replies | 195 view(s)
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Yesterday, 07:01KlausST replied to a thread H brigde for control speed and direction 180VDC brushed motor in Elementary Electronic QuestionsHi, C6, C9, C11, C12. Ceramics: use standard value 100nF (up to 1uF) Electrolytics: there are many tutirials how to calculate them, even online...12 replies | 1622 view(s)
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22nd May 2019, 23:19Hi, Tx of PIC is an output. But it is connected to RxOut, which is an output, too. And Rx is an input ... and is connected to another input. ...13 replies | 195 view(s)
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22nd May 2019, 22:55KlausST replied to a thread H brigde for control speed and direction 180VDC brushed motor in Elementary Electronic QuestionsHi, To your schematic: * use GND symbols, they improve readability. And they are for free. ;-) * you need a bulk capacitor and a ceramics...12 replies | 1622 view(s)
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22nd May 2019, 08:04Hi, If global VCC is the ADC VRef, then the overall performance is limited. Thus the whole design may be relaxed regarding precision. Klaus7 replies | 151 view(s)
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22nd May 2019, 08:02KlausST replied to a thread Electrolytic capacitor rms and peak current in Elementary Electronic QuestionsHi, If there is an additional current limit, then I'd expect it to be specified in the datasheet. Klaus7 replies | 531 view(s)
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22nd May 2019, 07:13KlausST replied to a thread Electrolytic capacitor rms and peak current in Elementary Electronic QuestionsHi, We talk about "current", thus your statement is wrong. For sure every capacitor can work with AC current. For voltage: Electrolytics...7 replies | 531 view(s)
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22nd May 2019, 06:59KlausST replied to a thread Electrolytic capacitor rms and peak current in Elementary Electronic QuestionsHi, It's the nature of AC, that the peak value is higher than the RMS value. Thus, the answer is: Yes. Klaus7 replies | 531 view(s)
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21st May 2019, 17:07Hi, There is a tutorial.. and you ask how to start. ...Maybe start telling us what you did so far and what results you get. Informations like...13 replies | 670 view(s)
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21st May 2019, 13:11Hi, If you want DC at the output, then you need the already recommended buffer and (I recommend a second order) low pass filter. Because you...16 replies | 1935 view(s)
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21st May 2019, 12:57Hi, Without requirements/ specification regarding precision, frequency response, noise, impedance....and others: Yes. Klaus12 replies | 522 view(s)
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21st May 2019, 12:00Hi, you asked about "1VAC to 1VDC converter" ... But the output of your circuit surely is not DC, It is the rectified input wave. DC is ia...16 replies | 1935 view(s)
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21st May 2019, 09:37KlausST replied to a thread [moved] Calculate the Input/Output Capacitor Value on DCDC converter in Power ElectronicsHi, and of course: frequency.. Klaus6 replies | 176 view(s)
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21st May 2019, 09:36KlausST replied to a thread Driving a buzzer using a transistor in Hobby Circuits and Small Projects ProblemsHi, the suggested buzzer of post#25 draws less than 30mA. With a IC/IB ratio of 10 you need 3mA of base current. Shouldnīt be a problem to...28 replies | 3652 view(s)
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21st May 2019, 08:26Hi, High side current source: Transitor at VCC (high side), load at GND Low side current source (current sink): Transistor at GND (low side),...13 replies | 670 view(s)
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21st May 2019, 08:19KlausST replied to a thread Sainsmart 3.2 TFT LCD touchscreen interface with Arduino mega 2560 board in MicrocontrollersHi, Donīt know what this means. Donīt know why you say PWM is not suitable. --> a drawing tells more than a lot of words. Klaus24 replies | 1756 view(s)
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21st May 2019, 07:22KlausST replied to a thread windows programming to create hex for microcontroller in PC Programming and InterfacingHi, Create hex files... but what is the source? Klaus4 replies | 528 view(s)
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21st May 2019, 07:17KlausST replied to a thread Sainsmart 3.2 TFT LCD touchscreen interface with Arduino mega 2560 board in MicrocontrollersHi, Simply use one of the 16 bit PWM periferals. They are designed for tasks like that. Please don't ask for code. There are many thousands in...24 replies | 1756 view(s)
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21st May 2019, 06:27KlausST replied to a thread Sainsmart 3.2 TFT LCD touchscreen interface with Arduino mega 2560 board in MicrocontrollersHi, I'm using AVRs. In my eyes it makes no sense to generate a "1us" interrupt. (Neither for AVR, and I think nor for any other microcontroller...24 replies | 1756 view(s)
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20th May 2019, 21:01Hi, What a big difference with a suffix can make... Choice: just use a simple, cheap Mosfet. It should work. Klaus6 replies | 999 view(s)
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20th May 2019, 17:50KlausST replied to a thread How to generate Frame Clock(FR) of the ADC? in Digital Signal ProcessingHi, I used the LTC2170, which has an identical interface. Defective IC is possible, but I think itīs not very likely. You know that they are...5 replies | 266 view(s)
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20th May 2019, 11:25KlausST replied to a thread SCR speed brushed DC 180v motor control does not work in Analog Circuit DesignHi, Brian is correct. It is very dangerous. And the OP seems not to be experienced enough to know and keep on safety regulations. I donīt want...16 replies | 1338 view(s)
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20th May 2019, 07:28KlausST replied to a thread SCR speed brushed DC 180v motor control does not work in Analog Circuit DesignHi, Let me guess: you measured gate voltage w.r.t GND. This is wrong. You need to connect both voltmeter wires directly at the SCR. And: lend...16 replies | 1338 view(s)
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20th May 2019, 07:16Hi, Soldering BGA. If you have a stencil a good solder paste and a thermometer then soldering should work on the plate of a kitchen oven. I...8 replies | 1164 view(s)
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20th May 2019, 06:52KlausST replied to a thread SCR speed brushed DC 180v motor control does not work in Analog Circuit DesignHi, "not working" is no error description. Tell us your * test setup * your expectation * what's not like expected * your debugging results16 replies | 1338 view(s)
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20th May 2019, 06:49Hi, A digital system has limited resolution. As long as the variations are within +/-0.5 LSB around the current value you will see no change....4 replies | 434 view(s)
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20th May 2019, 01:30KlausST replied to a thread ADS1115 issue for taking values of 4th digit after decimal point in ASIC Design Methodologies and Tools (Digital)Hi, With averaging you don't get better accuracy. Accuracy mainly depends on ADC and reference voltage. (Read datasheets) You just increase...6 replies | 538 view(s)
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19th May 2019, 18:28Hi, this already has been discussed many times. You will find many threads here in the forum and many more in the internet. Simplest: click on...13 replies | 670 view(s)
About KlausST
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