BradtheRad
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Yesterday, 22:58hII.. m unable to import this file into Ltspice.. Do i need to change the format??New to Ltspice - - - Updated - - - hii..I am using split...18 replies | 719 view(s) -
Yesterday, 22:09BradtheRad replied to a thread LED Light Bar from Ambulance Modding in Hobby Circuits and Small Projects ProblemsColor organ is a common project. Lights get bright or dim according to volume. Different color for bass, midrange, treble.2 replies | 68 view(s)
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Yesterday, 18:24BradtheRad replied to a thread Corner Tightening in Adaptive body bias in Analog Integrated Circuit (IC) Design, Layout and FabricationSample links where the idea is mentioned: semiengineering.com/the-return-of-body-biasing/ ...3 replies | 65 view(s)
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Yesterday, 18:16Memory got jogged... temperature sensing may be the easiest way to detect someone's wrist.11 replies | 329 view(s)
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Yesterday, 18:06Another strategy is to use a darlington transistor. It's the same as placing 2 or more transistors in darlington configuration. Gains are multiplied...12 replies | 417 view(s)
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Yesterday, 16:19BradtheRad replied to a thread Need worked metal detector circuit in Hobby Circuits and Small Projects ProblemsA metal detector's response is in the form of slight changes of its oscillating frequency, as it gets close to metal (or various dense substances)....4 replies | 177 view(s)
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Yesterday, 07:04BradtheRad replied to a thread Need worked metal detector circuit in Hobby Circuits and Small Projects ProblemsWhat did you find so far? What did you build so far?4 replies | 177 view(s)
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8th April 2020, 21:36There is the capacitive method to sense proximity. Hardware stores carry handheld instruments which detect things behind plasterboard such as pipes,...11 replies | 329 view(s)
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8th April 2020, 20:05Strange but true... Static charge can be detected by a bare input terminal of: * transistors * fets * mosfets * logic gates * op amps etc. ...11 replies | 329 view(s)
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8th April 2020, 16:45Certainly my knowledge and experience don't compare to your own regarding rf electronics. I saw the OP's schematic building a series of N type common...12 replies | 417 view(s)
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8th April 2020, 13:10Here's the general idea. Three stages, the second transistor is PNP. Incoming signal= 1mV amplitude. Overall gain= 2200. Output is AC riding DC...12 replies | 417 view(s)
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7th April 2020, 20:52BradtheRad replied to a thread Where to get schematics about SCRs full-wave triggering circuits ? in Power ElectronicsNon-polarized is preferable when true AC is present. However these tend to be bulky when you want more than a few uF. An alternative is to connect...104 replies | 3570 view(s)
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7th April 2020, 20:07A 555 timer IC is able to produce PWM, by applying a voltage to its control pin #5. Low V makes short duty cycle. Higher V makes long duty cycle....6 replies | 235 view(s)
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7th April 2020, 19:52One method is to alternate N and P type. It makes for convenient biasing. Gains are multiplied. Similar to a sziklai pair.12 replies | 417 view(s)
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7th April 2020, 14:51Yes. It Is having a thermal conductivity of 1.5 W/m-k18 replies | 719 view(s)
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7th April 2020, 08:51I am using Infineon IC ICE2HS01G for controlling. It has a provision to increase the switching frequency faster In case of short circuit. I hope that...18 replies | 719 view(s)
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6th April 2020, 22:14Hello .. Now it seems that there is some margin available before the converter goes into capacitive mode. Should i go ahead with the design???? ...18 replies | 719 view(s)
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6th April 2020, 12:21Hello sir.. I have plotted out the Vout Vs F .. First i have adjusted the Lr,Lm,Cr ,Fr & turns ratio as per my design. I have attached the document...18 replies | 719 view(s)
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6th April 2020, 04:11BradtheRad replied to a thread SRAM RC Extraction Simulation in Analog Integrated Circuit (IC) Design, Layout and FabricationIs this your approach? Very clever. It's similar to a pulse generator made from 2 invert-gates with the addition of a capacitor and resistor. To...4 replies | 424 view(s)
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5th April 2020, 16:47BradtheRad replied to a thread Samsung GT-P5210 10.1 inch Tablet repair in Service Manuals, Requests, Repair TipsQuestion: Is it the type of battery which should not be allowed to drop below a certain voltage? Because if it does then its useful life is over?4 replies | 456 view(s)
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5th April 2020, 12:04Hii.. I am very much aware of the disadvantages associated with capacitive mode. I am operating below resonance but all my operating points are well...18 replies | 719 view(s)
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5th April 2020, 11:06But only above resonance is not a good region also due to light load regulation issue. It should be ideally a mix of both. The Maximum calculated...18 replies | 719 view(s)
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4th April 2020, 23:15The diagram is a saturable reactor (as described in the linked article). (AKA magnetic amplifier.) The dots indicate orientation of the windings. The...6 replies | 424 view(s)
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4th April 2020, 14:52Hello all, Currently i am designing a 2.0kW Half-bridge LLC with center tapped secondary for EV Applications Input Voltage:- 400VDC Nominal ...18 replies | 719 view(s)
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4th April 2020, 14:17Hii, What is the output voltage of the converter??? We need some more information like output voltage,Efficiency & Variation in input & Output...4 replies | 258 view(s)
About BradtheRad
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- Born 1953. Some college.
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