100W Amp from car battery as power source
i'm an university undergradute.
i need to build a 100 W Amplifier for a siren system.
and the power source should be from the car's battery.
i need help. Figuring out the schematic for the Amp.
and is it possible to make an 100W amp for the car battery.
i need the schematic if there are any, or any suggestion on how to build it. thank you. i eagerly awaits for your comments......
A siren will live well with a sqware wives. A car battery gives you 14.4V
Construct a digital "amplifier" with one C-MOS IC with 6 invertors, and 4 FETs on output (2x with P channel, 2x with N channel), and connect 2 Ohm load in a bridge mode. You'll get about 100W of a loud square wave. You even may use this components to construct a complete siren with 100W/2Ohm output, adding couple of capacitors, few resistors and diodes.
Google gave me a lot of links, for example: http://www.epanorama.net/links/alarm.html
Or you may find yourself a car amp which is easily avaible at car accessories shop.
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