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Step 2Rectifying The Stepped Down Voltage
So now that the voltage has been stepped down from the wall, we want to make make it DC. The first step to this is to rectify voltage signal.
My preferred method of doing this is the use of a bridge rectifier. There are a couple ways to do this however, if you have rectifier diodes hanging around from something else that you have taken apart, you can build your own easily. Or, you can get one of the prepackaged ones that are available from Fairchild or other component companies.
Pretty much the only thing to worry about is to make sure that whatever you are using will be operating within its range. Check any available data sheets to make sure that you aren't going to try and pull too much current through the rectifier. If datasheets are unavailable, i.e. you used scavenged diodes to build your own rectifier, I usually just go ahead and build it anyways, and see how much everything heats up.
My preferred method of doing this is the use of a bridge rectifier. There are a couple ways to do this however, if you have rectifier diodes hanging around from something else that you have taken apart, you can build your own easily. Or, you can get one of the prepackaged ones that are available from Fairchild or other component companies.
Pretty much the only thing to worry about is to make sure that whatever you are using will be operating within its range. Check any available data sheets to make sure that you aren't going to try and pull too much current through the rectifier. If datasheets are unavailable, i.e. you used scavenged diodes to build your own rectifier, I usually just go ahead and build it anyways, and see how much everything heats up.
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Aug 2, 2011. 12:02 AMraja26
says:
The bridge rectifier setup was really useful.. thanks a lot.. By the way, tell us about the diode names or model that u have used here..
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