Tag: circuits diy

Preamplifier Circuit Diagram using BC140

Preamplifier Circuit Diagram using BC140 Transistor

The preamplifier circuit diagram using the BC140 discussed in this article demonstrates a simple yet effective configuration utilizing the BC140 transistor for amplifying weak audio signals. With its low saturation voltage, high current gain, and wide frequency response, the BC140 transistor ensures high-quality audio amplification for various applications.

100W Power Amplifier Circuit Diagram

100W Power Amplifier Circuit using TIP142 TIP147

In this article, we will discuss a circuit diagram for a 100W power amplifier using TIP142, TIP147, TIP41, and two BC556 transistors. We will also provide specifications for each of these transistor This is a reliable and efficient solution for audio enthusiasts seeking a powerful amplifier with excellent sound reproduction.