1/8/2023 0 Comments Testing 2n3055 transistor![]() This configuration gives a much higher current gain than each transistor taken separately and, in the case of integrated devices, can take less space than two individual transistors because they can use a shared collector. ![]() In Darlington pair, two bipolar transistors consist this compound structure wherein the current amplified by the first transistor is amplified by the second transistor. To minimize distortion, the output stage is formed by the Darlington pair of Q2 and Q4, Q7 and Q11, while Q8 and Q9 provide constant current through the bias chain. The input signal of the circuit, as the Q1 operates in common emitter mode, is delivered to the bias chain of D14, D13, D6, Q9 and Q8. The transistors 2N3055 and MJ2955 are functioning as power transistors because the structure is intended for power switching circuits, series and shunt regulators, output stages and high fidelity amplifiers. The 15 Watts power is made possible by using a dual 20 V power supply into a load of 8 ohms.
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