BradtheRad
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Today, 06:05BradtheRad replied to a thread Voltage input to BLDC inverters on tethered drone? in Elementary Electronic QuestionsTether wires appear lightweight and thin, implying low Amperes. I imagine it takes from 100 to 300 watts to lift a drone cam. And it seems convenient...1 replies | 54 view(s) -
Today, 04:01BradtheRad replied to a thread Testing Amps on rewound microwave transformer in Elementary Electronic QuestionsSimulation of transformer with various loads. Switches were closed in sequence. Scope trace travels to the left. Notice volt reading drops as current...6 replies | 203 view(s)
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Yesterday, 17:17thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsHai sir i don't have confusion as you said . I know ohmic or linear or triode region is the low resistance mode of the MOSFET operation. Where the...19 replies | 750 view(s) -
Yesterday, 12:01thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsThanks , But then Is the MOSFET works on cutoff and Ohmic region ? or cutoff and stauration region?19 replies | 750 view(s)
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Yesterday, 08:20One diode pointing downward provides 0.6V regulated voltage. Two diodes yield 1.2V. (Similar principle to a zener diode.) A safety resistor is...13 replies | 350 view(s)
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Yesterday, 07:44BradtheRad replied to a thread Testing Amps on rewound microwave transformer in Elementary Electronic QuestionsOne way is to attach various resistors and measure AC volts. That gives you an idea when the secondary output voltage starts to drop, thus letting...6 replies | 203 view(s)
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Yesterday, 04:38thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsHow can i attain in ohmic / Triode region ? As per the data sheet The Vds should be in the range of 2.5volt for the ohmic region. and Vgs is 5volt...19 replies | 750 view(s)
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16th January 2020, 15:49thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power Electronicsconfused a little :-? Mesuare the Vds when it ON it gives 12mv and 10.5mv for V1 =12v and V1 = 10 respectively .19 replies | 750 view(s)
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15th January 2020, 17:40thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsAnd Comonly what type of protections are required for a MOSFET.19 replies | 750 view(s)
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15th January 2020, 15:29I am intrested :thumbsup:8 replies | 415 view(s)
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15th January 2020, 14:53thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsIf Vgs is 11volt and Vds is 10 volt it saying that Ohmic region . As per the ohmic and saturation region the plots shows no diffrents why so . ...19 replies | 750 view(s)
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14th January 2020, 13:16Why should there be a limit on the velocity?1 replies | 273 view(s)
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14th January 2020, 13:10With the PFD in there, you cannot do it. Period. What I used to do was create a linear model for the components. PFD ==> VCVS with a gain of...6 replies | 420 view(s)
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14th January 2020, 10:17BradtheRad replied to a thread Earth leakage Detection "positive" as well as "Negative" >30mA. in Professional Hardware and Electronics DesignOrdinary multimeters like I've used detect current as DC only. Here's a handy trick to measure AC current: Insert a resistor inline, and measure AC...5 replies | 291 view(s)
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14th January 2020, 09:14BradtheRad replied to a thread [SOLVED] Need very basic R-C "delay off" circuit in Hobby Circuits and Small Projects ProblemsSimple diode-resistor-capacitor networks create a gradual ramp-wave when you input a sudden transition. The principle behind the downward ramp...7 replies | 361 view(s)
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12th January 2020, 05:50A voltage doubler can provide your step-up ratio, almost 2x. Two voltage doublers acting symmetrically provide AC to the load. Simulation using...5 replies | 442 view(s)
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11th January 2020, 13:41thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsThen is correct My aproximation?19 replies | 750 view(s)
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11th January 2020, 12:59thannara123 replied to a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsConsider this only for learning purpose . I am Choosing N Channel MOSFET 90NF03L https://www.st.com/resource/en/datasheet/stp90nf03l.pdf As...19 replies | 750 view(s)
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11th January 2020, 04:49thannara123 started a thread Require a Desgin of A MOSFET based Switch , for study purpose . in Power ElectronicsI am stauding the MOSFET caharcterstics , May I get a Desgin for a MOSFET based Switch for ON and OFF . with least resistance and maximum...19 replies | 750 view(s)
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10th January 2020, 13:45thannara123 replied to a thread [SOLVED] Technique behind the Charging and Inverting Function of an Inverter in Power ElectronicsIt charges ,The Boost coil is the secondary of the Transformer ,That is the Tehniuqe6 replies | 429 view(s)
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7th January 2020, 17:33thannara123 replied to a thread [SOLVED] Technique behind the Charging and Inverting Function of an Inverter in Power ElectronicsI find out the answer from the thread following https://www.edaboard.com/showthread.php?262078-h-bridge-boost-charging-at-constant-current It...6 replies | 429 view(s)
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7th January 2020, 16:17Hello Can you suggest some of MCU for the same project s. Thanks6 replies | 703 view(s)
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7th January 2020, 03:22BradtheRad replied to a thread [SOLVED] Technique behind the Charging and Inverting Function of an Inverter in Power ElectronicsI once put a voltmeter on the charger for my lawnmower battery. It read 10 or 11 VDC. Yet it was able to charge a 12V battery. I wondered how this...6 replies | 429 view(s)
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6th January 2020, 15:25thannara123 started a thread [SOLVED] Technique behind the Charging and Inverting Function of an Inverter in Power ElectronicsHello , I have an inverter, In which has a H-bridge connected to a low frequency Transformer (230volt /7.5 volt) . Here the Inverting function...6 replies | 429 view(s)
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6th January 2020, 10:43BradtheRad replied to a thread Automatic Water Level Controller - Dynamic Dry-Run and OverLoad Current Calc Related in MicrocontrollersWhen starting up your motor is likely to draw several more Amperes than it does during normal running.10 replies | 728 view(s)
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5th January 2020, 07:20BradtheRad replied to a thread Power source Dell Model H275P-01 P / N: HP-L2767F3P won't start in Service Manuals, Requests, Repair Tips175V suggests the unit gets power from house voltage. Is your question about a conventional computer power supply? Do you have a duplicate supply...1 replies | 425 view(s)
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3rd January 2020, 07:11BradtheRad replied to a thread Why we insert Mbist before scan ? in ASIC Design Methodologies and Tools (Digital)Two similar questions merged into one thread. Try a forum search for words: bist, mbist, scan, dft. Check the list of related topics further...4 replies | 360 view(s)
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3rd January 2020, 05:00Diode D5 is in different positions on the two schematics. I agree with Easy, that D5 allows battery current to 24V circuitry at the right (in either...67 replies | 3978 view(s)
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3rd January 2020, 04:38BradtheRad replied to a thread Circuit to delay and shorten pulses of a pulse train? in Analog Circuit DesignI have a schematic similar to yours. My simulation shows the incoming signal sources 1mA. It sinks 6mA.4 replies | 346 view(s)
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3rd January 2020, 01:22No. D5 permits current flow only downward (charging) through B2 (lower) battery, never upward (discharging). D5 is faulty because it does not...67 replies | 3978 view(s)
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