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+--- انجمن: Electronics (http://parsicoders.com/forumdisplay.php?fid=150)
+--- موضوع: آمپلیفایر 20 وات (/showthread.php?tid=3651)
آمپلیفایر 20 وات - a.mehran - 09-05-2014
![[عکس: photo.jpg]](http://www.electronics-lab.com/projects/audio/012/photo.jpg)
کد پیاچپی:
20W Bridge Audio Amplifier kit, based on the TDA2005 IC, a class B dual audio amplifier, specifically designed for car radio applications etc.
Power supply - 18 VDC
Output power - 20 W, 4 Ω
IC built in Thermal Shut-down, Load dump voltage surge protected
Terminal pins for connecting left and right audio signal inputs
Relimate Connector for connecting Potentiometer (POT) for volume adjustment
Power Battery Terminal (PBT) for easy power supply and speaker connection
Power-On LED indicator
Heatsink for IC
Four mounting holes of 3.2 mm each with nut and stud
PCB dimensions 63 mm x 65 mm
![[عکس: schematic.gif]](http://www.electronics-lab.com/projects/audio/012/schematic.gif)
لیست قطعات :
![[عکس: parts.gif]](http://www.electronics-lab.com/projects/audio/012/parts.gif)
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![[عکس: pcb.gif]](http://www.electronics-lab.com/projects/audio/012/pcb.gif)
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