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  1. Matthew A.

    Need help w/full wave bridge rectifier

    I am seeking advice on how to determine what voltage and current ratings a bridge rectifier is required for a charging circuit. The circuit consists of a stator, 12 volt lead acid battery, 12 volt DC accessories, and the rectifier. The charging circuit produces a maximum of 7 amps DC current. ...
  2. Matthew A.

    lightbulb's role in car amp

    Inside my car audio amplifier I noticed a very tiny tungsten filament light bulb. I cannot for the life of me figure out what it's purpose is. The layout of the components on the PCB is extremely clean. Here's a link to the schematic I was able to download free after I visited one of the...
  3. Matthew A.

    rounding off sq. roots

    My friend insists that it is impossible to determine the square root of pie because, as everyone knows, you cannot fit a square into a circle. I told him it can be done as long as one remembers to round off first. :o
  4. Matthew A.

    Bridge rectifiers

    I am asking for assistance with bridge rectifiers. Specifically, how to determine the voltage rating of a 20 amp bridge rectifier. The circuit that requires this rectifier is a non-regulated circuit. This circuit consists of a stator, 12 volt lead acid battery and rectifier. The stator produces...
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