barry
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13th January 2020, 01:29barry replied to a thread question regarding timing analysis or slack time in PLD, SPLD, GAL, CPLD, FPGA DesignIs there actually a signal named “Clk” in your design? Is it driving any logic?3 replies | 310 view(s)
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10th January 2020, 20:29barry replied to a thread indivisual out different from differential output in fully differential amplifier in Analog Integrated Circuit (IC) Design, Layout and FabricationIs this a simulation or oscilloscope capture? if it's the signals from real hardware, as long as the spikes don't exceed any other circuit...4 replies | 241 view(s)
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9th January 2020, 15:43Of course this is “possible”; ANYTHING is possible. But this is not trivial. Basically, you need to chop your 200 VDC into pulsed DC, and step it up...5 replies | 438 view(s)
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8th January 2020, 20:26If you are saying the motor draws the same current regardless of the "cloth load" then, obviously, you can't sense the cloth load by measuring motor...14 replies | 736 view(s)
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8th January 2020, 20:22The obvious/trivial answer is change the opamp to an inverting configuration. Or, if your input is floating, just swap the return and signal.2 replies | 305 view(s)
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8th January 2020, 18:37Ah, right, I didn't notice that these were 4 paralleled MOSFETs (figured it was an H-Bridge). I told you I didn't analyze the circuit.4 replies | 372 view(s)
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8th January 2020, 16:27I'm not going to analyze your entire circuit, but consider this: the resistors will have an instantaneous power of 360W. 30mS only provides half the...4 replies | 372 view(s)
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7th January 2020, 17:03Although you say otherwise, it sure SOUNDS like you've got a damaged component. According to the data sheet: DONE (Pin 2): Open Collector...3 replies | 279 view(s)
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6th January 2020, 18:01Sort of. Q2 & Q3 form a Darlington pass transistor. C1 has nothing to do with creating a reference voltage; it's only for filtering. As the voltage...19 replies | 1041 view(s)
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6th January 2020, 15:34barry replied to a thread [SOLVED] Technique behind the Charging and Inverting Function of an Inverter in Power ElectronicsWithout SOME Kind of drawing, schematic, circuit description, it’s impossible to tell what you are talking about. 12 volts? 7.5 volts? 14.5 volts?6 replies | 427 view(s)
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6th January 2020, 15:25barry replied to a thread Automatic Water Level Controller - Dynamic Dry-Run and OverLoad Current Calc Related in MicrocontrollersLet me google that for you: https://www.allaboutcircuits.com/textbook/alternating-current/chpt-11/calculating-power-factor/10 replies | 725 view(s)
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5th January 2020, 22:48barry replied to a thread Automatic Water Level Controller - Dynamic Dry-Run and OverLoad Current Calc Related in MicrocontrollersI think you also need to consider power factor.10 replies | 725 view(s)
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3rd January 2020, 23:44barry replied to a thread Inflatable Hard Drive - transferal of data between three devices via USB in Hobby Circuits and Small Projects ProblemsIn your original post you said: "I'm proposing to build an inflatable hard drive". Then you said: " Ideally, you would use the device in the same way...10 replies | 759 view(s)
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3rd January 2020, 22:24barry replied to a thread Inflatable Hard Drive - transferal of data between three devices via USB in Hobby Circuits and Small Projects ProblemsMaybe I'm missing something, but you seem to have an enormous misunderstanding of, well, everything. The way you describe it, your system inflates a...10 replies | 759 view(s)
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1st January 2020, 21:41What do you mean your “transreceiver is getting short-circuited most of the time”? That’s not very descriptive. Is there zero resistance across the...7 replies | 557 view(s)
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31st December 2019, 00:47Here, I googled it for you: https://superuser.com/questions/297959/how-do-you-check-how-much-power-a-usb-port-can-deliver8 replies | 609 view(s)
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24th December 2019, 23:00This a multivibrator. See thishttps://www.electronics-notes.com/articles/analogue_circuits/operational-amplifier-op-amp/multivibrator.php1 replies | 289 view(s)
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23rd December 2019, 18:16barry replied to a thread Ferrite bead usage in ADC's in PCB Routing Schematic Layout software and SimulationNope. The OP is not wrong, he is showing the exact schematic for the Adafruit board. It has EVERTYHING to do with the on-board ground.15 replies | 1244 view(s)
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21st December 2019, 23:07barry replied to a thread Ferrite bead usage in ADC's in PCB Routing Schematic Layout software and SimulationI don’t know what schematic YOU’RE looking at, but there’s only one ground on this one, that’s why the OP’s original question. There’s no separate...15 replies | 1244 view(s)
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20th December 2019, 20:45barry replied to a thread Ferrite bead usage in ADC's in PCB Routing Schematic Layout software and SimulationI've never seen anything like this before with the bead in the ground path. I can't think of any reason for it. I would think it would hurt rather...15 replies | 1244 view(s)
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