Rongge

This is Stereo Amplifier On this schematic amplifier circuit  use the ic AN7145L , but can use the following IC : AN7145M AN7145H AN7146M AN7146H You can use of all ic above. anthis circuit need suply voltage with dual voltage . Minimum voltage 6 Volt and maximum voltage 20 volt . Voltage just (-) and (+), but (-) can also ground. Maximum power output 2 X 20 watt with minimum impedance 4 ohm. Click image to view enlarge. You can operate this circuit with  plugging input to , PC or other media can give signal audio.

TDA 7482   g eneral description: The TDA7482 is an audio class-D amplifier assembled in Multiwatt15 package specially designed for high efficiency applications mainly for TV and HomeStereo sets.  TDA7482 Audio Amplifier 1 x 25W TDA 7482  features : 25W OUTPUT POWER: RL =8Ω/4Ω; THD = 10% HIGHEFFICIENCY WIDE SUPPLY VOLTAGE RANGE (UP TO±25V) SPLITSUPPLY OVERVOLTAGEPROTECTION ST-BY AND MUTEFEATURES SHORTCIRCUIT PROTECTION THERMALOVERLOADPROTECTION TDA 7482  circuit diagram : TDA7482 Audio Amplifier 1 x 25W circuit diagram TDA 7482  sterio circuit layout : TDA7482 Audio Amplifier 1 x 25W pcb layout

TA8233H Circuit Diagram Circuit diagram for 30 Watt x 2 CH AUDIO POWER AMPLIFER