BradtheRad
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Yesterday, 23:15The diagram is a saturable reactor (as described in the linked article). (AKA magnetic amplifier.) The dots indicate orientation of the windings. The...3 replies | 109 view(s) -
Yesterday, 14:52Hello all, Currently i am designing a 2.0kW Half-bridge LLC with center tapped secondary for EV Applications Input Voltage:- 400VDC Nominal ...0 replies | 120 view(s)
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Yesterday, 14:17Hii, What is the output voltage of the converter??? We need some more information like output voltage,Efficiency & Variation in input & Output...3 replies | 95 view(s)
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3rd April 2020, 23:05It seems ,the output voltage is very low but constant. You can go for 12 No of 1kW half bridge LLC(Output current 21A @ 48V) connected in...3 replies | 172 view(s)
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3rd April 2020, 22:18BradtheRad replied to a thread Generating a digital pulse of 10 secs and 1 sec in PLD, SPLD, GAL, CPLD, FPGA DesignOnce you have 1 Hz, apply that to a 4017 decade counter. It divides by 10. To have 50 percent duty cycle, combine 5 diodes from 5 consecutive...2 replies | 130 view(s)
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3rd April 2020, 21:14BradtheRad replied to a thread SRAM RC Extraction Simulation in Analog Integrated Circuit (IC) Design, Layout and FabricationStatic ram? This can be made with RS flip-flops. It's extremely stable. Holds a state indefinitely without any refresh. There should be no...1 replies | 184 view(s)
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3rd April 2020, 20:36The standard caution usually appears in the instructions: 'To avoid loss of data do not turn off device or disconnect it.' The receiving device...9 replies | 547 view(s)
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2nd April 2020, 10:25BradtheRad replied to a thread water flow detection in a pipe in Hobby Circuits and Small Projects ProblemsTry a microphone in contact with the pipe. When flow rate becomes fast enough water makes a noise in pipes, say 1/2 to 1 inch diameter. It's most...6 replies | 360 view(s)
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1st April 2020, 17:07Consider using 2 of the modern Energizer Advanced Lithium type. The AA size puts out 1.8 volt new (regardless of being labelled 1.5V). The...3 replies | 269 view(s)
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1st April 2020, 07:10All evidence favors the long wire antenna. I suppose we would say the longer the better... And then I wonder if we should add, within reason?...6 replies | 315 view(s)
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1st April 2020, 06:04BradtheRad replied to a thread How to adapt (normally) PCI Express x1 to work in PCIe Mini Slot in PCB Routing Schematic Layout software and SimulationSince 'Link reactivation' stands out... Could it have to do with either: performing startup process again, or to restore recognition of a device/...4 replies | 374 view(s)
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31st March 2020, 20:19BradtheRad replied to a thread Off-the shelf transformer for push pull converter in Power ElectronicsTo carry a desired spec Watt level, the transformer needs to have: sufficient metal thick enough wire gauge correct number of turns per winding...20 replies | 652 view(s)
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31st March 2020, 12:45The commercial AM band. For long wavelengths it's better (theoretically) to have a longer antenna high in the air as is practical. But then...6 replies | 315 view(s)
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31st March 2020, 12:14BradtheRad replied to a thread Off-the shelf transformer for push pull converter in Power ElectronicsA simulator makes it easy to experiment with component values. My simulation provides insight about the primary winding inductance value. (Although...20 replies | 652 view(s)
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31st March 2020, 08:30BradtheRad replied to a thread Circuit with an integrated FLIP FLOP in Hobby Circuits and Small Projects ProblemsSince output changes after a time (although inputs are unchanging)... Then it suggests there's a capacitor and resistor creating a time delay. This...13 replies | 627 view(s)
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31st March 2020, 01:08BradtheRad replied to a thread computer parallel port external relay control in Hobby Circuits and Small Projects ProblemsProgress means we gain something but something may be lost too. With parallel ports gone, we wonder how to send control signals from modern...9 replies | 488 view(s)
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30th March 2020, 19:10BradtheRad replied to a thread Samsung GT-P5210 10.1 inch Tablet repair in Service Manuals, Requests, Repair TipsIt's essential that you measure voltage coming from the charger when it's plugged into the tablet. It may not be easy to find suitable test points. ...1 replies | 237 view(s)
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30th March 2020, 02:35BradtheRad replied to a thread Dimmer lamp 220v ac (resistor values) in Elementary Electronic QuestionsSimilar projects are discussed in related threads listed further down this page. A halogen bulb is different from ordinary incandescent type....2 replies | 233 view(s)
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30th March 2020, 01:33BradtheRad replied to a thread Resistance of component bag made of "reddish" ESD plastic? in Elementary Electronic QuestionsConsider building this static charge detector. Made from a 4011 quad NAND gate. Red led lights for positive polarity, green led for negative. The...17 replies | 700 view(s)
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29th March 2020, 08:02BradtheRad replied to a thread How to adapt (normally) PCI Express x1 to work in PCIe Mini Slot in PCB Routing Schematic Layout software and SimulationYou probably know about installing drivers for new hardware, and looking at Device Manager to see if any device causes an alert. Several...4 replies | 374 view(s)
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28th March 2020, 19:47BradtheRad replied to a thread matching network design question in Analog Integrated Circuit (IC) Design, Layout and FabricationSome definite amount of ohmic resistance ought to be ahead of your filter. Looking closely, that appears to be a resistor just above the waveform...9 replies | 375 view(s)
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28th March 2020, 07:19BradtheRad replied to a thread Help needed; Check of PCB and some other questions in Hobby Circuits and Small Projects ProblemsThen what you installed may be sufficient. The source of noise isn't much different from the buzzing that comes through an amplifier when the...14 replies | 951 view(s)
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27th March 2020, 21:26The hatched area is the region that generally works for low voltage, low current circuits (I think). The upper and lower limit are approximate (obere...5 replies | 575 view(s)
About BradtheRad
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- Born 1953. Some college.
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