ac to dc power supply, creation
I would like some simple directions on how to make a simple AC to DC power converter. Originally I was using an old 1200 watt PC PowerSupply with 24amp rails hooked to a car amp which worked rather...
View ArticleDo we need more testing for Li-ion batteries?
Recent news (http://tinyurl.com/ahv2vgx ) indicated that li-ion battery below the cockpit of the Boeing 787 that caught fire - while on the ground - may have been subjected to voltage exceeding the...
View ArticleLTSPICE run of expected behavior.
Greetings,I guess you would describe me as a "young player" as a certain Aussie bloke would say.I have been working on a simple dual complementary MOSFET circuit to act as a bistable high-side power...
View Articlepurchasing a transformer
I am interested in purchasing a transformer. I know what core I would like to use, number of windings, and possible dimensions. So, what do I do next? I cannot easily find a place to find the...
View Articlewhat dc power supply to use
I have an old power supply that quit working it was an elpac eps 250-24 it has a 220 input ant a 24 volt dc out put 10 amps not sure of the watts its on an older german machine it was replaced once it...
View ArticleHeat Sink Size
How do i figure out the specs of the heat sink size i need.I am using voltage regulator LM7805 to regulate filtered 24 VDC Average( peak will be around 35 volts) down to 5 volts.my maximum current...
View ArticleRLC values of ceiling fan,light
pleasse help me to find out the valuse of resistance,inductane,capacitance value of ceiling fan, fluorescent lamp,cfl bulb. i need the approximate values of the above.
View ArticleLooking for some assistance....
From someone more experienced in board repair than I. I have (3) laptop motherboards that all need to have the battery charging power management chip to be replaced. I'm fairly competent in doing a...
View ArticleHi/Low Power Distribution Control Unit
I'm designing an analog power distribution box for interior commercial use. This along w/ the switch panel is integrated to a workstation used in emergency call centers. The NEMA style steel box unit...
View ArticleVoltage Regulation of Solar Panel Output to DC Motor
Hello, I am attempting to use a couple of solar panels rated at max 40V and 8Amps to directly power a motor rated for 48V and 11Amps. I would like to be able to regulate the voltage so that the motor...
View ArticleVoltage Detector
On a voltage detector what is the difference between a push pull reset and an open drain? I need a voltage Detector. The trouble is I don't know what certain terminology means, for instance the Texas...
View Article
More Pages to Explore .....