KlausST
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Today, 20:49KlausST replied to a thread Real time voice encryption/decryption with FPGA in PLD, SPLD, GAL, CPLD, FPGA DesignHi, You need on the receiver side a FIFO and some kind of PLL to synchronize to the incoming data stream. Klaus2 replies | 53 view(s) -
Today, 06:56KlausST replied to a thread Use of this resistor in oscillator of Stm32f429zit6 Discovery development board in MicrocontrollersHi, With the use of this resistor you may optimize on start up time or you may optimize on power consumption. The resistor is not mainly...1 replies | 81 view(s)
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Yesterday, 21:39Hi, You never mentioned analog inputs before. What do you need them for? Klaus5 replies | 186 view(s)
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Yesterday, 21:28HI, Indeed even Rail to Rail Opamps don't go to the rails. There always is a dropout voltage ... in this case 100mV to each rail. Klaus7 replies | 259 view(s)
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Yesterday, 06:32Hi, PLC .., I have not much experience.. but a Siemens LOGO! with an I/O extension should work. There are different types available. Some run...5 replies | 186 view(s)
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17th August 2019, 17:42KlausST replied to a thread LTspice Wolfspeed mosfet model doesn't seem to be working in Software Problems, Hints and ReviewsHi, try to connect V1 Minus directely to GND instead of KS. Klaus3 replies | 148 view(s)
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17th August 2019, 17:32Hi, For 0.001 you may multiply with 1000, then do the rounding to integer, then divide by 1000 For 0.002 ... multiply with 500 For 0.005 ......31 replies | 1501 view(s)
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16th August 2019, 06:47Hi, Maybe it's time to start to give useful and complete informations. It's neither clear what you need , nor what voltages and currents you are...8 replies | 373 view(s)
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15th August 2019, 21:07Hi, Thank you for the feedback. I made a mistake. I should be: A 9V battery and a 1.5V battery. Connect the PLUS of the 1.5V battery to the...8 replies | 373 view(s)
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15th August 2019, 20:32Hi, At high frequencies you most probably see the capacitive coupling from base to emitter. I assume this also works without supply. It's...1 replies | 106 view(s)
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15th August 2019, 09:15KlausST replied to a thread Why Z and Y matrices must be pure imaginary for reciprocal lossless N-port junction ? in Elementary Electronic QuestionsHi, Maybe I don't understand the question. My answer is: for "lossless" you need "imaginary", because "real" means "loss". Imaginary: pure...2 replies | 218 view(s)
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15th August 2019, 09:10Hi, You really ask if there are screw terminals? For sure there are. They are used for decades of years now and million times every day. ...4 replies | 176 view(s)
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15th August 2019, 07:51KlausST replied to a thread How to add the outputs of a different voltage double ciruits in Analog Circuit DesignHi, Omit the upper GND (symbol). Connect the lower end of R1 with the upper end of R1. Klaus3 replies | 209 view(s)
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15th August 2019, 07:42Hi, What's the problem? Mathematics? Just subtract the values: Example: 9V - 1.5V = 7.5V Hardware? Reverse connect the second one: example: A...8 replies | 373 view(s)
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15th August 2019, 07:35Hi, What exactly is the problem? Either each cable hase a 3 pin connector. D+, D-, GND. And all D+ are joined...as weel as D- and GND Or you...4 replies | 176 view(s)
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15th August 2019, 07:26Hi, Please tell us what is wrong. Tell us the result and tell us carry. Show us your hardware, schematic, code, or whatever you have. ...3 replies | 348 view(s)
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14th August 2019, 21:37KlausST replied to a thread LTC4020 not regulating, blowing sense resistors during debug in Power ElectronicsHi, Did you try to use the I_limit feature? Try it. Start with very low current ... then increase. Show us your PCB layout and a detailed...6 replies | 269 view(s)
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14th August 2019, 19:40KlausST replied to a thread Calculating switching losses of a mosfet when switching energy is not given in Elementary Electronic QuestionsHi, As with many electronics topics: MOSFET manufacturers provide application notes how to calculate this. Those application notes from big...6 replies | 322 view(s)
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14th August 2019, 01:53KlausST replied to a thread Calculating switching losses of a mosfet when switching energy is not given in Elementary Electronic QuestionsHi, Let's say you have a Mosfet with 50% duty cycle, average drain current of 10A and average drain-source voltage of 10V. Then the power...6 replies | 322 view(s)
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13th August 2019, 21:38KlausST replied to a thread Calculating switching losses of a mosfet when switching energy is not given in Elementary Electronic QuestionsHi, It depends what values you use P(t) = V(t) × I(t) But P(avg) is not V(avg) × I(avg) And P(RMS) is not V(RMS) × I(RMS) Klaus6 replies | 322 view(s)
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13th August 2019, 21:23Hi, Your circuit really needs improvement. It really makes no esns to use a 0.1 Ohms resistor as shunt, which guves a very tiny output voltage...6 replies | 256 view(s)
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13th August 2019, 20:45Hi, Yes, I know, that's the problem. But there are many blue LEDs, and every manufacturer provides datasheets. Just go through a couple of...9 replies | 293 view(s)
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13th August 2019, 06:25Hi, Why not * look into a datasheet * measure it by yourself? Klaus9 replies | 293 view(s)
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12th August 2019, 21:06KlausST replied to a thread Sine PWM calculated with pic, instead of using table in MicrocontrollersHi, PWM = pulse width modulation HPWM .... never heared about it.....you mentioned it for the first time now. PWM can be made with software,...22 replies | 830 view(s)
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12th August 2019, 20:51Hi, Are you aware that you didn't show the 470 resistor in your schematic? Generally you are free to use as many resistors you like. The only...26 replies | 1305 view(s)
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12th August 2019, 07:26Hi, Use optical sensor for detecting the bottle/box/ strip. Use a LED/display to show it's state. Use a timer and display the time for each...5 replies | 315 view(s)
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12th August 2019, 07:20Hi, Driver ICs are optimaized for their application ... hard to achive the same performance with discrete parts. Part count, cost, development...6 replies | 263 view(s)
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12th August 2019, 07:11Hi, No, there surely is no 28 bit flash ADC. As already said: it will be a sigma/delta type. I can't think of an application where 28 bit...8 replies | 307 view(s)
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12th August 2019, 06:35KlausST replied to a thread Sine PWM calculated with pic, instead of using table in MicrocontrollersHi, I recommend to use PWM ... and PWM hardware. It generates the perfect timing without processing power. I'm not experienced with PIC, but...22 replies | 830 view(s)
About KlausST
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