KlausST
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Today, 15:12Hi, did you use - or at least calculate whether you need a heatsink? Klaus4 replies | 30 view(s) -
Today, 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...3 replies | 29 view(s)
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Today, 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....19 replies | 224 view(s)
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Today, 14:23Hi, Voltage regulator: Tries to keep the output voltage constant ... regardless of load resistance, regardless of current Current regulator:...3 replies | 71 view(s)
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Yesterday, 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...7 replies | 212 view(s)
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Yesterday, 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? Klaus7 replies | 212 view(s)
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Yesterday, 16:42KlausST replied to a thread Problems on Sending RS232 Signals through 3 Meter Core Cable in PC Programming and InterfacingHi, No urgent need to measure...but measurement gives exact values with your exact conditions... If 5A (or 0.5A) goes the one way, it has...12 replies | 230 view(s)
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Yesterday, 13:37Hi, Note: In post#5 and post#13 you talk about class A, but the TDA2030 is class AB. The "class" (mainly) defines the output stage of the...23 replies | 432 view(s)
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Yesterday, 13:24KlausST replied to a thread Capacitor Burning issue due to unusual reasons in PC Programming and InterfacingHi, This is no GND plane, thus you have increased serial impedance at every GND connection. This is not reliable and thus not suitable for...19 replies | 224 view(s)
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Yesterday, 13:03KlausST replied to a thread Problems on Sending RS232 Signals through 3 Meter Core Cable in PC Programming and InterfacingHi, It's all very confusing ... at least to me... You gave just a little snippet of information/schematic of what I asked for in post #3. This...12 replies | 230 view(s)
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22nd June 2019, 20:57KlausST replied to a thread Saturation current of coupled inductor used in flyback smps in Power ElectronicsHi, Why don't you read the table on your own? * row: 220uH * column: Isat Klaus3 replies | 105 view(s)
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22nd June 2019, 20:45Hi, There are free simulation software tools. Use them. Klaus11 replies | 193 view(s)
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22nd June 2019, 17:29KlausST replied to a thread Problems on Sending RS232 Signals through 3 Meter Core Cable in PC Programming and InterfacingHi, Show the exact circuit...from master side...which IC, which pin drives which line of which cable...and the complete slave receiver circuit....12 replies | 230 view(s)
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22nd June 2019, 13:53Hi, If there was a clever, cheaper, simpler ... solution ..... it surely is used by the big H-bridge manufacturers and you may find the circuit...11 replies | 193 view(s)
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22nd June 2019, 04:53Hi, No. There are several issues. And one is, that when you connect all ... then you generate the ground loop. Klaus11 replies | 264 view(s)
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21st June 2019, 19:07Hi, here a snippet, there a snippet...this even confuses yourself. Do it for yourself: draw a sketch with all your GND connections and you will see...11 replies | 264 view(s)
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21st June 2019, 17:44Hi, I can't see where you joined both Grounds. If you you did not yet connect them, then connect them. Else: I assume you created a ground...11 replies | 264 view(s)
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21st June 2019, 14:10Hi, Li Ion batteries need very tightly tolerated cut off voltage. Read the battery datasheet and follow the charging recommendations. Overcharging...8 replies | 189 view(s)
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20th June 2019, 22:43KlausST replied to a thread Estimating ripple current of 8 x paralel MLCC 500V 2.2nF for a resonant converter in Power ElectronicsHi, There will always be tolerances when you have 8 capacitors, even if you use them all from the same production batch. Thus the answer...13 replies | 236 view(s)
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20th June 2019, 10:33Hi, Or ESD problem during soldering or assembling... Klaus2 replies | 125 view(s)
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19th June 2019, 23:07Hi, Take a piece of paper and draw the exoected currents. You will soon find out that your information is no sufficient. * I assume the 220V,...2 replies | 124 view(s)
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19th June 2019, 22:49KlausST replied to a thread stretching the 0 pulse of a digital output with a certain T in Analog Integrated Circuit (IC) Design, Layout and FabricationHi, In post#3 you talk about 50...100ms. Now you talk about 40ns. Why? This is more than a million factor away... Klaus18 replies | 480 view(s)
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19th June 2019, 10:07Hi, I still don't get the whole idea. Why that big capacitance, why that low impedance, why that high RPM... If the capacitance rotates .......33 replies | 912 view(s)
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19th June 2019, 10:01Hi, Brad, I think your circuit shows a balance circuit for a stereo signal. A PAN circuit has only one input source and two (R, L) output...4 replies | 245 view(s)
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19th June 2019, 09:52KlausST replied to a thread How would i decrease the clock frequency in Professional Hardware and Electronics DesignHi, My calculation was wrong. Not 2% but your 18% duty cycle is correct. Sorry. Klaus8 replies | 340 view(s)
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19th June 2019, 09:49KlausST replied to a thread SMPS selection for Big 6-Digit 7-SEGMENTS display as driver in MicrocontrollersHi, Multiplexed or not .... to get equal brightness you need about the same average current. Example: With a multiplex rate of 1:3 you need...8 replies | 288 view(s)
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19th June 2019, 08:28Hi, Sadly you didn't give more informatiin about current limit... --> Just say you want it to be limit to 10mA nominal. R1 .... is the "shunt"...8 replies | 277 view(s)
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19th June 2019, 08:20Hi, Use a selection guide to choose the correct CT. The selection guides should be avaliable at CT manufacturers as well as distributors. If...14 replies | 326 view(s)
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18th June 2019, 23:13KlausST replied to a thread How would i decrease the clock frequency in Professional Hardware and Electronics DesignHi, Akanimo's solution is correct but gives about 2% duty cycle. The solution of post#4 needs identical ressources but gives perfect 50% duty...8 replies | 340 view(s)
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18th June 2019, 19:24Hi, This means: * primary winding count: 1(you put the wire 1 times through the hole) * secondary winding count: 100 (given from datasheet) ...14 replies | 326 view(s)
About KlausST
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