Electronics Help Care Amplifier circuit diagram This is a simple MOSFET amplifier circuit diagram. It uses 2 MOSFETs: IRF540 and IRF9540. This circuit diagram can produce 100 watts of output. It can operate at a minimum of 25-0-25 volts and a maximum of 40-0-40 volts. It’s a mono audio amplifier circuit.
N-channel enhancement-mode power MOSFET. Package: TO-220AB. Drain-Source Voltage (\(V_{DS}\)): 100 V. Continuous Drain Current (\(I_{D}\)): 28 A to 33 A (at 25°C, depending on the exact variant like standard vs. IRF540N). Pulsed Drain Current (IDM): 110 A to 130 A. On-Resistance (\(R_{DS(on)}\)): ~0.044 Ω to 0.077 Ω (at \(V_{GS} = 10\text{ V}\)). Gate Threshold Voltage (\(V_{GS(th)}\)): 2 V to 4 V. Max Operating Temperature: -55°C to +175°C.
This is an amplifier circuit diagram using transistors. Here, the C5198 and A1941 transistors are used. We can also use other transistors. Any pair of NPN and PNP. like 2sc5200 and 2sa1943. It’s a mono audio circuit diagram board. This circuit can make a maximum of 400 watts. It depends on the voltage and current. If we use 35-0-35 volts and 5 amperes. Then we get the output: 35 × 5 = 175 watts. Or 50-0-50 volts and 5 amperes. Then the output will be 50 × 5 = 250 watts.
The circuit diagram is
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