KlausST
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Today, 07:40KlausST replied to a thread How much does a solder stencil cost for a 160mm * 60mm PCB? in PCB Routing Schematic Layout software and SimulationHi, Why not ask the stencil manufacturers? Or online calculators? Like this one: https://www.multi-circuit-boards.eu/en/index.html Klaus1 replies | 61 view(s) -
Today, 07:36Hi, The forum is not meant to let others do your job. It's not more effort for you to do an internet search ... than for me. The benefit if...4 replies | 53 view(s)
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Today, 07:28KlausST replied to a thread "Current" controle is a big issue using ClassD ? in Analog Circuit DesignHi, Could you please list all your requirements. Searching through a couple of posts/threads to find out what you want to achieve needs a lot of...1 replies | 56 view(s)
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Today, 06:58Hi, Since you are the designer - at least I guess so - you should draw the "suitable" schematic on your own ... within a simulation tool. Then...12 replies | 739 view(s)
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Today, 06:50Hi, Why don't you use the countless tables that can be found in the internet? Klaus4 replies | 53 view(s)
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Today, 06:43Hi, Some printers have a "HEX out" mode, where you may debug the datastream. But expect a lot of data. Depending on what you print it may be...5 replies | 253 view(s)
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Yesterday, 19:42KlausST replied to a thread Minimum switching current for Mechanical switch in Miscellaneous EngineeringHi, Where is the datasheet? Klaus5 replies | 185 view(s)
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Yesterday, 13:07KlausST replied to a thread Minimum switching current for Mechanical switch in Miscellaneous EngineeringHi, You say it is 10mA "minimum" switching current. But you treat it as "maximum". I doubt that 10mA is the "maximum allowed" switching current -...5 replies | 185 view(s)
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Yesterday, 12:58Hi, Since you have two data per clock period (one per edge): DCO of 455MHz gives 910MBPS. --> low margin. Klaus6 replies | 336 view(s)
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20th October 2019, 21:46Hi, For sure. Your control unit is not able to decide whether the load is in delta or star connection (besides the magnitude of the current) ...13 replies | 682 view(s)
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20th October 2019, 15:37Hi, I know what you mean. Just to be more exact: * DC means infinite time. * If time is finite ... better talk about a "pulse" And...12 replies | 485 view(s)
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20th October 2019, 14:58Hi, YES, but only theoretically with an infinite big core. NO, for real transformers. The bigger the core, the lower the frequency you may...12 replies | 485 view(s)
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20th October 2019, 02:31Hi, I agree with asdf44. You have contradicting requirements: * applying DC * non saturating * no output If you apply DC... then there...12 replies | 485 view(s)
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19th October 2019, 17:17...sorry for the wrong order of posts *************************** Hi, Again: We donīt see your system. Please give usueful informations. ...6 replies | 258 view(s)
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19th October 2019, 15:04Hi, Since we donīt know your circuit and your requirements ... we can only tell you the "usual" way. (And so do the internet documents) If your...6 replies | 258 view(s)
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19th October 2019, 13:05Hi, at first you need to test WHAT is causing this delay. Microcontroller? Modem? Access point? Routers? Server? Then you need to test WHY...2 replies | 172 view(s)
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19th October 2019, 11:06Hi, when I do an internet search for: "stm32 spi flash bootloader" I get about 250,000 hits. (Didnīt you do this already on your own?) There...6 replies | 258 view(s)
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19th October 2019, 07:22KlausST replied to a thread How to find cutoff frequency of the circuits in RF, Microwave, Antennas and OpticsHi, Circuit2 includes two "L", but your formula does not. According to your formula the cutoff frequency is independent of L .... I don't...3 replies | 287 view(s)
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18th October 2019, 08:06Hi, Maybe it's time to start from the beginning ... An engineer should start with specifying the requirements (forget about all the ADC and SPI...38 replies | 1710 view(s)
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17th October 2019, 18:17Hi, Maybe a production problem .. some 32768 Hz XTALs donīt like ultrasonic cleaning. Klaus12 replies | 603 view(s)
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17th October 2019, 16:31KlausST replied to a thread Getting trigger signal for 555 timer from elevator button. in Elementary Electronic QuestionsHi, there are millions. For a million of different requirements. But the most important - IMHO - is a proper PCB layout. The next important is...7 replies | 304 view(s)
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17th October 2019, 13:03KlausST replied to a thread Getting trigger signal for 555 timer from elevator button. in Elementary Electronic QuestionsHi, then itīs most probably an EMC problem, not a problem of the schematic. Use: (urgent) * PCB with solid GND plane * proper decoupling...7 replies | 304 view(s)
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17th October 2019, 12:25Hi, I donīt understand. Isolated but with no switching regulator. Due to the RS-422 you need energy to drive the 50 Ohms impedance signal...3 replies | 445 view(s)
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17th October 2019, 07:32KlausST replied to a thread Getting trigger signal for 555 timer from elevator button. in Elementary Electronic QuestionsHi, There are many solutins. I'd go this way: * use a 10k pullup on TRIG pin to 12V * use a diode from TRIG (A) to the pushbutton (C) Klaus7 replies | 304 view(s)
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16th October 2019, 23:19Hi, Datasheet says: Did you read and follow the application note? Klaus12 replies | 603 view(s)
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16th October 2019, 23:12Hi, I agree. But the OP asks about series connection. Klaus20 replies | 859 view(s)
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16th October 2019, 23:08Hi, Please read all my posts...especially those with "sampling rate" and what is meant with "toggle NSS". It's all written already. Klaus38 replies | 1710 view(s)
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16th October 2019, 22:34KlausST replied to a thread L293d - Input Voltage (motor operation) in Hobby Circuits and Small Projects ProblemsHi, General rule: Don't leave any inputs floating, neither at digital ICs nor at analog ICs...as long as it is not mentioned otherwise in the...3 replies | 582 view(s)
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16th October 2019, 13:39Hi, The two resistors are no "15V" generators. They just divide the input voltage by 2. --> If your supply voltage is 10V then the voltage at...20 replies | 859 view(s)
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16th October 2019, 07:58Hi, What advice do you expect? Cutoff voltage depends on battery, not on application. For sure you may measure the battery voltage...but it...5 replies | 300 view(s)
About KlausST
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