FvM
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Today, 16:07dpaul replied to a thread Get some advice and tips to design ETHERNET switch or even TSN switch on FPGA in PLD, SPLD, GAL, CPLD, FPGA DesignYou need the understand the concepts an design your own. :-)3 replies | 63 view(s) -
Today, 12:18In my code I have a part where I am asserting a message at the Transcript window every 20us. Have added the flush() there. Works for me!3 replies | 172 view(s)
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Today, 12:03dpaul replied to a thread Get some advice and tips to design ETHERNET switch or even TSN switch on FPGA in PLD, SPLD, GAL, CPLD, FPGA DesignIf you are using a Xilinx FPGA, I can advice you to use the TEMAC IP core (free hardware eval license) for initial understanding. Download and skim...3 replies | 63 view(s)
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Today, 09:26You are apparently misunderstanding things. The WiFi adapters have two antenna ports for diversity purposes, each coax cable will be connected to a...1 replies | 46 view(s) -
Yesterday, 19:251. You can verify by checking the loop gain. 2. Choose initial conditions that result in a start magnitude below steady state. You'll see a rising...9 replies | 376 view(s)
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Yesterday, 16:10As explained cariban, C1 and L1 aren't directly related, respectively there's no forumula linking the values. For L1, I would use a low current...8 replies | 223 view(s)
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Yesterday, 15:11FvM replied to a thread Remove glitches in output frequency of ring oscillator in Elementary Electronic QuestionsWhat we see in post #1 is not jitter. It's an unstable oscillation mode. Apart from the question it's a real hardware effect or a simulation...10 replies | 368 view(s)
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Yesterday, 14:21Why 4.7 uF, why not 47 nF or 470 nF? You didn't yet specify any application parameters.8 replies | 223 view(s)
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Yesterday, 14:11Sure, due to series-shunt feedback working.17 replies | 735 view(s)
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Yesterday, 14:09Looking at the *_simulation.log I found the following... # ** Fatal: (vsim-4) ****** Memory allocation failure. ***** # Attempting to allocate...3 replies | 172 view(s)
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Yesterday, 11:59I am using the Modelsim Microsemi Pro 2019.2. In the testbench I am opening a file in write mode and periodically writing data to it. I open the...3 replies | 172 view(s)
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Yesterday, 11:33FvM replied to a thread LLC converter vs Dual cascaded Buck….1000V to 48V at 500W output…no isolation needed in Power ElectronicsThe current spikes are caused by D3 snap-off. The diode is completely useless.16 replies | 410 view(s)
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Yesterday, 11:11Yes, that's what Easy peasy suggested.6 replies | 175 view(s)
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Yesterday, 09:33Using the winding only to power the feedback opto coupler doesn't make sense. But I presume you can read schematics good enough to see that the...6 replies | 175 view(s)
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Yesterday, 09:26No. MAC and PHY must be designed for 10 Gbps. 10GBASE-T (10 GBPS ethernet over RJ45 cables) hardware is yet expensive. Unlikely to be found in a...1 replies | 160 view(s)
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Yesterday, 08:56It depends. On the interference frequencies to be filtered, the device power, etc. C1 47nF up to several µF L1 is sketched as a common mode...8 replies | 223 view(s)
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Yesterday, 00:10FvM replied to a thread Remove glitches in output frequency of ring oscillator in Elementary Electronic QuestionsIt's usually expected that a RO oscillates at the lowest possible frequency with a period equal to twice the gate chain delay, without a frequency...10 replies | 368 view(s)
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21st January 2020, 23:52You know what the load impedance is, we can't determine if the lower driver impedance is actually necessary.6 replies | 260 view(s)
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21st January 2020, 15:50FvM replied to a thread How can I measure the Side-Band Amplitude? in RF, Microwave, Antennas and OpticsYou can either calculate the side band to carrier magnitude ratio based on the used modulation index or measure the magnitudes with a spectrum...3 replies | 238 view(s)
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21st January 2020, 15:33You might look for newer 18FxxKyy series that can achieve 64 MHz clock with internal oscillator and PLL. They support 115k or even higher baud rates....6 replies | 227 view(s)
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21st January 2020, 09:50FvM replied to a thread AVR Soft-Core (ATMega103) - issues during synthesis and implementation in PLD, SPLD, GAL, CPLD, FPGA DesignNo good suggestion, IMHO. I'd stay with forum rules in this regard: The idea is to keep the question context and support forum clearness. I...17 replies | 1295 view(s)
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21st January 2020, 09:33dpaul replied to a thread AVR Soft-Core (ATMega103) - issues during synthesis and implementation in PLD, SPLD, GAL, CPLD, FPGA DesignAn advice.... You can assemble your experience and later create a "Blog Entry" in this forum. Better than updating a thread.... Creating...17 replies | 1295 view(s)
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21st January 2020, 09:30Many possible reasons. It's useless to guess about it without the actual simulation circuit and component models.17 replies | 735 view(s)
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21st January 2020, 09:25Why are you telling this now? There's no information about a charging circuit, it's operation principle and how it's connected in your posts up to...6 replies | 282 view(s)
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21st January 2020, 00:00FvM replied to a thread How can I measure the Side-Band Amplitude? in RF, Microwave, Antennas and OpticsWhich modulation do you want to measure? Reader or tag generated? Why sidebands separately? No SSB involved with NFC.3 replies | 238 view(s)
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20th January 2020, 23:38I don't think that the problem specification is implemented appropriately. The 50k resistor is useless, the collector current flows almost completely...9 replies | 526 view(s)
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20th January 2020, 17:17FvM replied to a thread STM32F103VET6 and CH340G in PCB Routing Schematic Layout software and SimulationCH340G 3.3V bypass capacitor missing.5 replies | 356 view(s)
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20th January 2020, 12:34FvM replied to a thread Need information about related application to power electronics in Power ElectronicsThe linked thyristor controller is for heating control and won't work for AC motors. These days most small and medium size AC motors (e.g. up to 100...2 replies | 196 view(s)
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20th January 2020, 10:01Apparently from the same course, but a considerably different problem. I presume that the solution can be elaborated based on the course material,...9 replies | 526 view(s)
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20th January 2020, 09:24FvM replied to a thread Ferrite bead usage in ADC's in PCB Routing Schematic Layout software and SimulationIsolation between AGND and DGND in the 100 MHz or even GHz range isn't but an illusion. It neither works on the PCB level, because the planes are...21 replies | 1539 view(s)
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