Schematic Diagrams

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

power amplifier

Low Ripple Power Supply Circuit Diagram

Low Ripple Regulated Power Supply Circuit Diagram This circuit may be used where a high current is required with a low ripple voltage (such as in a high powered class AB amplifier when high quality reproduction is necessary ). PARTS LIST R1 2.2KΩ 1W R2 56Ω 1W R3 1oKΩ 1W C1 1000µF 63V C2 100µF […]


6V6 6J5 Class A Vacuum Tube (Valve) Amplifier Circuit

Single Ended Class A 6V6 6J5 Valve (Vacuum Tube) Amplifier Circuit This is my first successful vacuum tube project.  The output of this small amplifier in which a 6V6GT output pentode is connected as triode is about 4.5 watts. This project involves a single ended audio amplifier, which consists of a resistive input network, a driver […]

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STK 4192 Power Amplifier

STK 4192 Power Amplifier Circuit Features AF Power Amplifier (Split Power Supply) (50W + 50W min, THD = 0.4%) • The STK4102II series (STK4192II) and STK4101V series (high-grade type) are pin-compatible in the output range of 6W to 50W and enable easy design. • Small-sized package whose pin assignment is the same as that of […]


Class AB Transistor Power Amplifier Circuit Diagram

Discrete Class AB Transistor Audio Power Amplifier Circuit Diagram This is a class AB transistor power amplifier. It is a simple amplifier to build, uses standard parts and is stable and reliable.  The entire circuit utilizes commonly available components and may be simply built over a general-purpose board. But this amplifier has very good sound quality. […]


Touch Controlled Amplifier

Touch Volume Controlled Amplifier Circuit Nowadays touch control techniques are becoming quite popular. They give better appearance to the control panel and are silent in operation. The circuit described here enables to control volume of the amplifier by simply touching corresponding touch pads. As there is no mechanical contact it is superior to the normal […]

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12W Amplifier Using 741 Op Amp

12W Amplifier Circuit Using 741 Op Amp A 12 watt audio amplifier operating on a dual symmetrical supply of ± 12 volts. The 741 provides the required gain while the speaker drive is provided by the complementary Darlingtons T1, T2 and T3, T4. PARTS LIST R1 10KΩ R2 4.7KΩ R3 270KΩ R4 1KΩ R5 1KΩ […]


TDA2002 Power Amplifier Circuit

8w Car Radio Audio Amplifier The TDA2002 and TDA2002A are integrated circuit amplifiers specially designed for use in car radios, where the adverse electrical environment places great demands upon the reliability of circuits. PARTS LIST R1 220Ω R2 2.2Ω R3 1Ω C1 10µF 16v C2 470µF 16V C3 100n C4 1000µF 25V C5 100n C6 […]


TDA2004 Car Stereo Amplifier Circuit

TDA2004 Car Battery 12W Stereo Amplifier Circuit Its main features are : Low distortion. Low noise. High reliability of the chip and of the package with additional safety during operation thanks to protections against : OUTPUT AC SHORT CIRCUIT TO GROUND VERY INDUCTIVE LOADS OVERRATING CHIP TEMPERATURE LOAD DUMP VOLTAGE SURGE FORTUITOUS OPEN GROUND Space […]


Small stereo amplifier for computer with TDA7025

Small stereo amplifier,low power, less devices, IC TDA7025 is the main equipment. Operation of the circuit, the signal split into left and right through the capacitor coupling of C1, C2 is a variable resistor VR1 adjusts the strength of the input signals to bridge amplifiers power suppliers IC1-. IC2, serves to amplify the signal up, […]


Power Amplifier OTL 100W by transistor 2N3055 (with PCB)

This is Circuit Power Amp OTL circuit power amp OTL 100W by transistor 2N3055 (with PCB) circuit Power Supply 98V 5A FOR power amp OTL 100W by transistor 2N3055 (with PCB) PCB power amp OTL 100W by transistor 2N3055 (with PCB) Source : pk kit circuit Most Wanted Diagrams:ampli 100w 2n3055power amplifier using transistor2n3055


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