Simple Audio Amplifier Circuit Diagram using TIP41 TIP42 & TLE2141C

Introduction

In today’s digital era, audio amplifiers have become an essential component of our everyday lives. Whether it’s enjoying a movie at home or rocking out to our favorite tunes, having a reliable and efficient audio amplifier is crucial. One such 25W amplifier circuit that stands out is the Simple Audio Amplifier Circuit Diagram using TIP41 & TIP42 in the output section, BC182 & BC212 transistors in the driver section, and TLE2141C IC in the preamplifier section. This circuit offers exceptional performance while being straightforward to construct.

Specification of TIP41:

• TIP41 is a NPN Epitaxial Silicon Transistor designed for general-purpose amplifier and switching applications.
• It can handle a maximum collector current (Ic) of 6A and collector-emitter voltage (Vce) of up to 100V.
• TIP41 has a low collector-emitter saturation voltage, making it suitable for high-power amplification.

Specification of TIP42:

• TIP42 is a PNP Epitaxial Silicon Transistor complementary to the TIP41.
• It can handle a maximum collector current (Ic) of 6A and collector-emitter voltage (Vce) of up to 100V.
• TIP42 also features a low collector-emitter saturation voltage, making it suitable for high-power applications.

Specification of BC182:

• BC182 is a NPN general-purpose silicon transistor used for amplification and switching purposes.
• It can handle a collector current (Ic) of up to 100mA and collector-emitter voltage (Vce) of 50V.
• BC182 has a high current gain and low noise figure, making it ideal for low-level audio amplification.

Specification of BC212:

• BC212 is a PNP general-purpose silicon transistor complementing the BC182.
• It can handle a collector current (Ic) of up to 100mA and collector-emitter voltage (Vce) of 50V.
• BC212 also boasts a high current gain and low noise figure suitable for low-level amplification applications.

Specification of TLE2141C IC:

• TLE2141C is a high-speed, wide bandwidth, low power operational amplifier.
• It offers a high slew rate of 13V/µs and a wide bandwidth of 10MHz.
• TLE2141C features low input bias and offset currents, making it ideal for precision audio amplification.

Amplifier Circuit Diagram using TIP41 TIP42 & TLE2141C

This project can be built using a few basic components. The circuit diagram of this project is shown below.

More Circuit Layouts

Components List of Amplifier Circuit using TIP41 TIP42 & TLE2141C

Following is the list of all components used in this project:

Transistors:

• BC182 NPN Transistor x 1
• BC212 PNP Transistor x 1
• TIP42A PNP Transistor x 1
• TIP41A NPN Transistor x 1
• TLE2141C Op-Amp IC x 1

Resister:

• 22K Potentiometer x 1
• 1K Resister x 1
• 4K7 Resister x 2
• 100R Resister x 1
• 82K Resister x 1
• 10R-1/2W Resister x 1
• 22R Resister x 1
• 1K Trimmer (optional) x 1

Capacitor:

• 470nF-63V Capacitor x 1
• 100µF Capacitor x 1
• 470µF Capacitor x 2
• 100µF Capacitor x 1
• 100nF Capacitor x 1

Miscellaneous:

• 1N4148 Diode x 1
• ±18V Symmetrical Power Supply

Conclusion of Amplifier Circuit using TIP41 TIP42 & TLE2141C

The Simple Audio Amplifier Circuit Diagram using TIP41 & TIP42 in the output section, BC182 & BC212 transistors in the driver section, and TLE2141C IC in the preamplifier section is an excellent choice for audio enthusiasts. Its straightforward construction, combined with the exceptional performance of these electronic components, allows for efficient and reliable amplification of audio signals. Whether you’re enjoying a movie at home or rocking out to your favorite songs, this audio amplifier circuit will surely enhance your audio experience to new heights.

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