FvM
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Yesterday, 17:51Only with the necessary corrections, e.g. the suggested gain setting resistor.7 replies | 194 view(s) -
Yesterday, 16:11How did you arrive at this circuit? It doesn't seem right. Can you give a gain specification?7 replies | 194 view(s)
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Yesterday, 15:47There are quite different types of ferrite beads, e.g. beads on leads, surface mount beads, chip beads, wound beads, with different impedance and...1 replies | 98 view(s)
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Yesterday, 08:45Forgot to show the circuit?7 replies | 194 view(s)
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Yesterday, 08:43FvM replied to a thread How to access Micron MT25Q nor flash in Embedded Linux and Real-Time Operating Systems (RTOS)It's more likely that the preceding write didn't succeed. It's not clear how the waveforms (apparently from a simulator) are related to your...4 replies | 215 view(s)
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9th December 2019, 23:47FvM replied to a thread Bilinear switched capacitor resistor equivalent resistance in Analog Circuit DesignThe capacitor is charging from -ΔV to +ΔV in phase 1 and back in phase 2, total q = 4CΔV.4 replies | 276 view(s)
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9th December 2019, 23:16As shown by wwfeldmann, the post #1 equation has real roots. Similarly the equation in post #5 has two real roots, x=3.987 isn't among it, but x≈-1.2...11 replies | 660 view(s)
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9th December 2019, 22:42FvM replied to a thread LTspice...splitting LT1243 output into two separate pulse streams in PCB Routing Schematic Layout software and SimulationThere seems to be a "small" problem. LT1243 is a current mode controller. As far as I understand, there's no way to generate pwm output without using...10 replies | 397 view(s)
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9th December 2019, 22:28You need the complete pass- and stop band specification to determine the filter effort, e.g. minimal order.7 replies | 296 view(s)
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9th December 2019, 09:11It's power of n, not exponential function and can be calculated as cascaded multiply. What do you want to achieve? The equation has multiple...11 replies | 660 view(s)
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9th December 2019, 00:09FvM replied to a thread Grid tied inverters will result in high mains voltages above 300VAC..do you agree? in Elementary Electronic QuestionsNot particularly a problem of grid tied inverters. You observe different levels of short term overvoltages and surges in the grid. For a serious...5 replies | 301 view(s)
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8th December 2019, 23:54Where did you get 5.3k? Resistance of parallel circuit is 10*4.7/(10+4.7) = 3.2k.4 replies | 237 view(s)
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8th December 2019, 23:43Do you understand the meaning of Vgs(th) specification in datasheet, particularly the wide threshold voltage range?2 replies | 242 view(s)
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8th December 2019, 23:14FvM replied to a thread [SOLVED] Metastabilty and data loss in ASIC Design Methodologies and Tools (Digital)The OP apparently doesn't care for consistency of multibit data. I already asked about this point and he insists on discussing correctness of single...12 replies | 554 view(s)
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8th December 2019, 22:48FvM replied to a thread [SOLVED] Distance between MCU-Phy-Magnetics-RJ45 in PCB Routing Schematic Layout software and SimulationThe Pulse application text is an undeclared quote from an SMSC/Microchip application note....8 replies | 528 view(s)
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8th December 2019, 12:47FvM replied to a thread [SOLVED] Distance between MCU-Phy-Magnetics-RJ45 in PCB Routing Schematic Layout software and SimulationWhere do you see this specification?8 replies | 528 view(s)
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8th December 2019, 12:27You originally asked about MOSFET acting as capacitor, now you switched to common drain amplifier. It's time to clarify the topic and show a...18 replies | 646 view(s)
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8th December 2019, 12:22FvM replied to a thread [SOLVED] Metastabilty and data loss in ASIC Design Methodologies and Tools (Digital)That's not possible.12 replies | 554 view(s)
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7th December 2019, 13:56O.K., so the last point in my interpretation applies, they are not using the split output feature, just basic T-circuit (M)NPC...7 replies | 405 view(s)
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7th December 2019, 13:36Parallel circuit would be obviously necessary to build a 1.5 kW 12V input full bridge with IRFP064. You should particularly look at Rds,on and...12 replies | 651 view(s)
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7th December 2019, 12:51Do you understand MNPC topology? Do you understand the purpose of split output feature?...7 replies | 405 view(s)
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7th December 2019, 10:58The accelerometer output levels discussed in this parallel tread...6 replies | 375 view(s)
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6th December 2019, 23:23FvM replied to a thread Confusion with relating the sensor output voltages from its datasheet in Robotics and Automation ForumI agree that the datasheet is very clear about expectable output voltage. But if you plan to measure 500 ug acceleration, you should carefully...4 replies | 391 view(s)
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6th December 2019, 23:12FvM replied to a thread Stability issue of the closed loop feedback in fully differential ampliifer in Analog Integrated Circuit (IC) Design, Layout and FabricationWhats's the purpose of feedback resistor in your simulation circuit? If it's DC bias, the feedback path should be filtered in a way that it doesn't...5 replies | 404 view(s)
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6th December 2019, 23:05FvM replied to a thread Charging Voltage for a 1.2V NiMH Battery in Hobby Circuits and Small Projects ProblemsCharging VR450 continuously with 20 mA will not quickly damage it but probably reduce its lifetime by overcharging it. Continuous current without...11 replies | 544 view(s)
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5th December 2019, 18:41FvM replied to a thread [SOLVED] Metastabilty and data loss in ASIC Design Methodologies and Tools (Digital)You should ask yourself what you consider wrong data? 1. Single bit data, toggling at arbitrary times. You'll either read the old or the new data....12 replies | 554 view(s)
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5th December 2019, 16:23FvM replied to a thread Connect MQ135 Gas Sensor to Raspberry Pi 3B+ in Hobby Circuits and Small Projects ProblemsValues read for unconnected (floating) ADC inputs are meaningless. You can either connect known DC voltage for test or just ignore these values....7 replies | 378 view(s)
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5th December 2019, 12:45FvM replied to a thread [SOLVED] Distance between MCU-Phy-Magnetics-RJ45 in PCB Routing Schematic Layout software and SimulationYou have to check impedance matching and termination for each connection. Ethernet is usually terminated at the PHY, in this case, there are no...8 replies | 528 view(s)
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