Schematic Diagrams

Useful schematic and wiring diagrams. ✔ ✔ Enjoy electronic circuits, let your idea comes to hardware

power amplifier

USB Powered Audio Power Amplifier

This circuit of multimedia speakers for PCs has single-chip-based design, low-voltage power supply, compatibility with USB power, easy heat-sinking, low cost, high flexibility and wide temperature tolerance. At the heart of the circuit is IC TDA2822M. This IC is, in fact, mono-lithic type in 8-lead mini DIP package. It is intended for use as a […]

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8 Watt Audio Power Amplifier Schematic

*Useful circuit for self-powered speakers, Radios, TV, can be used as car power *amplifier Here is the schematic for an 8 watt audio power amplifier. This amp can be used as a simple booster, the heart of a more complicated amplifier or used as a guitar amp. It is very small and portable unit and […]

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36 Watt Audio Power Amplifier Using TDA1562Q

It’s based on a Philips class-H audio amplifier IC and can deliver 36W RMS OR 70W music power, all from a 13.8V supply. Our new Mighty Midget Amplifier can really pack a punch – around 36W RMS continuous into a 4-ohm load when using a 13.8V supply. However, it’s the 70W of output power that […]


Compact 3W BTL Audio Power Amplifier TDA7056

Bridge-tied-load (BTL) configuration in an amplifier is basically a H-network  with the loud-speaker as the “bridge” between two active valve or switcher. This configuration allow a full alternating current signal to be produced at the load (loudspeaker) without a transformer or a symmetric power supply.  Using integrated circuit, such BTL circuitry is presented in a […]

200W Mono / Stereo Power Amplifier using TDA1514A

This is circuit design of 200W mono / stereo power amplifier using TDA1514A. This circuit support mono and stereo channel. Mono channel uses bridge configuration, so the mono choice will be give power output by twice than stereo choice. A symetrical power supply (dual polarity) is required to powered this circuit. Power supply voltage (+) […]


3W Stereo Audio Amplifier based Power IC BA5406

This is a simple, easy built and low cost circuit diagram of 3W stereo audio amplifier based power IC BA5406, a good general purpose stereo audio amplifier which can be used on it’s own or incorporated into existing equipment. This power amplifier works on a simple 5-15Vdc supply. Designed with components for either 28dB (standard) […]


100W Power Audio Amplifier Diagram based FET K134 and J49

Here is the 100W power audio amplifier circuit diagram build based on a pair of FET component on final amplifying process. The FET components using a pair of K134 and J49, the substitutes for these FETs are the combination of J162 and K1058. The output power will be about 100W at 8 ohms speaker. For […]

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1000W Power Audio Amplifier

This is 1000W power amplifier circuit built using many power transistors. The following scheme diagram is used for single/mono channel only, you may build two same circuit for stereo audio system. Circuit Diagram: The power supply needed for this circuit should be 10A minimum single channel and 20A for stereo channel. It uses symmetrical power […]

2007 KIA Optima Main Engine Fuse Box Diagram

2007 KIA Optima Main Engine Fuse Box Diagram 2007 KIA Optima Main Engine Fuse Box Map Fuse Panel Layout Diagram Parts: ABS relay, injector, fuel pump, headlamp, A/C compressor, blower relay, horn, daytime running light, power fuse, power amplifier, sunroof, tail lamp, Ignition coil, ecu relay.

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2001 Dodge Durango Instrument Cluster Fuse Box Diagram

2001 Dodge Durango Instrument Cluster Fuse Box Diagram 2001 Dodge Durango Instrument Cluster Fuse Box Map Fuse Panel Layout Diagram Parts: data link connector, headlamp switch, foglamp switch, multi function switch, central timer module, resistor block, radio, heater control, ignition switch, instrument cluster, clock, power amplifier, central timer module, airbag control module. Most Wanted Diagrams:1998 […]

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