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50 Watt Power Amplifier

2012-10-16 Posted by:circuit Source:Internet Visits: Comment () Size:L M S

Summary:Here the circuit diagram of 50W power amplifier. The amplifier uses a pair of power transistors that are MJ2955 and 2N3055 to amplify the input signal. You must use a heatsink on those transistors. Schematic diagram: PCB layout: This amplif

Here the circuit diagram of 50W power amplifier. The amplifier uses a pair of power transistors that are MJ2955 and 2N3055 to amplify the input signal. You must use a heatsink on those transistors.

Schematic diagram:

50 Watt Power Amplifier circuit

PCB layout:

50 Watt Power Amplifier circuit

This amplifier require dual output power supply (+, ground and -). Use this power supply circuit:

50 Watt Power Amplifier circuit

Transformer: 3-5 Ampere, 24V secondary output
Diode: Diode bridge 5A or 4 piece of single diode 5A


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