FvM
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Today, 08:24dpaul replied to a thread micron ddr sysverilog model | Read rand addr | how to get 0s ( not Xs ) ? in ASIC Design Methodologies and Tools (Digital)You must verify certain things with the RAM model first. There should be a signal called calibration_complete. Please check if that is asserted HIGH...2 replies | 116 view(s) -
Today, 08:19For usual switching patterns (simple push-pull, phase shifted bridge), 10 kHz transistor switching results in 10 kHz transformer and 20 kHz output...3 replies | 54 view(s) -
Today, 08:14A 40 - 200 kHz HPF for an audio signal? Seriously? Apart from this point, it's useless to discuss noise and THD without considering the signal...2 replies | 83 view(s)
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Today, 07:59FvM replied to a thread How to find Inductance/length given an s-parameter of a transmission line? in Electromagnetic Design and SimulationThe question is somehow incomplete. What is "an s-parameter"? S11? A single frequency S11 value can be directly converted into an RL or RC parallel...3 replies | 94 view(s)
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Today, 07:44Thanks for attaching the Ltspice file, you should also append a schematic screenshot for convenience. Current limiting resistor is surely missing. ...7 replies | 188 view(s)
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Yesterday, 22:4330 kHz is no exact specification, it's an estimated value that can be achieved unter certain conditions. If you make a quick calculation of switching...8 replies | 234 view(s)
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Yesterday, 18:32Not sure how you calculate "load switching" frequency. In case of unipolar modulation scheme, output pulse frequency is double the PWM frequency. But...8 replies | 234 view(s)
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Yesterday, 18:05I see several issues with your simulation. 1. The models are corrupted, You have apparently edited the subcircuit port names. I reverted to the...7 replies | 188 view(s)
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Yesterday, 16:27In a short MT1 and MT2 should be flipped. Testing and correcting your simulation setup would be much easier if you zip the *.asc and *.lib files...7 replies | 188 view(s)
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Yesterday, 16:21Is the modem setup for 115k? If not, tx_str("AT\r\n") doesn't achieve autobaud, you have to send "A" and "T" with pause after each character. ...2 replies | 120 view(s)
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Yesterday, 10:24FvM replied to a thread [SOLVED] 16F877A : TMR1L/H, can not load values inside with sprintl in MicrocontrollersI don't recognize that interrupts are ever started in the post #1 code. Shouldn't main() call the init functions?4 replies | 216 view(s)
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Yesterday, 09:32FvM replied to a thread Magnet core inductor out of TV set, what is is used for? in Analog Circuit DesignThanks, a ferrite permanent magnet glued to the top of the drum core, probably a second one at the bottom. I agree, it can be hardly used for...17 replies | 386 view(s)
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Yesterday, 08:26FvM replied to a thread Magnet core inductor out of TV set, what is is used for? in Analog Circuit DesignThe photo in post #7 seems to show a simple coil with ferrite core. Are you sure that it involves a permanent magnet? Due to the open magnetic path,...17 replies | 386 view(s)
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Yesterday, 08:16FvM replied to a thread Stuck at simulations of Amplifier in LTSpice in Analog Integrated Circuit (IC) Design, Layout and FabricationCapacitors are zeroed during initial transient solution, thus a SPICE simulator has no problems with large capacitors, as long as the large signal...5 replies | 351 view(s)
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Yesterday, 08:07I can't imagine many configurations where the switching frequency per module is higher than per transistor, anyway the datasheet specification is...8 replies | 234 view(s)
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31st May 2020, 10:54Find photo diode models at https://www.osram.com/os/tools-and-services/downloads/index.jsp Basically a Si-diode + a current source to model the...1 replies | 155 view(s)
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31st May 2020, 08:34FvM replied to a thread Magnet core inductor out of TV set, what is is used for? in Analog Circuit Design"S" correction choke is a good guess, but there are many different magnetics, particularly in a color TV. It's about 20 years since I did the last...17 replies | 386 view(s)
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31st May 2020, 08:21FvM replied to a thread Huge difference between results from schematic simulation and momentum co-simulation in Analog Circuit DesignI believe that you see large differences with the said "extreme" microstrip geometry. Unfortunately I can't locate a comparison of both results in...15 replies | 598 view(s)
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31st May 2020, 07:52FvM replied to a thread Magnet core inductor out of TV set, what is is used for? in Analog Circuit DesignWhy not show a photo?17 replies | 386 view(s)
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30th May 2020, 23:49Sounds self-explanatory to me. It's Proteus.8 replies | 353 view(s)
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30th May 2020, 23:24To calculate the modulator gain, you better refer to the typical rather than marginal threshold values, 0.9 - 3.3V.8 replies | 400 view(s)
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30th May 2020, 23:05The answer was already given: Yes. That's how CRC calculation works, you initialize the CRC variable, call the routine for every message byte and...7 replies | 405 view(s)
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30th May 2020, 12:26You need to review the PICBASIC manual. HEX2 means two hex digit formatting. In my view, the original question hasn't much to do with CRC...7 replies | 405 view(s)
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30th May 2020, 11:47No. Small trace is dissipating most heat by lateral conduction, thus higher specific rating. Large plane must dissipate all heat vertically. By the...9 replies | 432 view(s)
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30th May 2020, 11:41FvM replied to a thread DCDC module recovery from input overvoltage involves a time delay? in Power ElectronicsAlways a good idea to read the manual completely. Review page 13.2 replies | 183 view(s)
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30th May 2020, 11:26A function in device setup10 replies | 1405 view(s)
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30th May 2020, 11:09FvM replied to a thread Figure out the dimensions for this circuit button for mouse in Elementary Electronic QuestionsI recognize a square tactile switch with two through-hole pins. Important parameters are button height above PCB and pin distance. A popular form...4 replies | 354 view(s)
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30th May 2020, 10:48Your question is answered in the MAX10 device overview document, vertical migration paragraph. M02SC324 to M16SC324 are pin compatible. The best way...10 replies | 1405 view(s)
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30th May 2020, 09:27I didn't yet pay attention to the fact, that you are referring to an old Quartus version. 17.0 of May 2017 was the first version supporting MAX10....10 replies | 1405 view(s)
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29th May 2020, 09:39The CRC algorithm as functional as such, question is how it's used in the application, if CRC is initialized correctly, how you feed CRC_IN. This...7 replies | 405 view(s)
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