Electronics Help Care Amplifier circuit diagram This is a mini audio amplifier circuit diagram using the TDA2030 IC. This circuit can make 30 watts of output. It’s a bridge-mode audio circuit diagram. Here used 2 TDA2030 IC. this circuit runs using a minimum 9-0-9 voltage to 18-0-18 voltage. need dual voltage positive, negative, and ground voltage.
This is a 2-transistor amplifier circuit board using C5198 and A1941 transistors. It’s a mono amplifier circuit diagram. In this circuit, we can use a minimum 20-0-20 voltage to 50-0-50 voltage. We can get 100 watts from this circuit. We can also use another transistor. Here, the C5198 and A1941 transistors are used. Any PNP or NPN transistor can be used here, positive or negative, and a ground voltage is required in this circuit.
Normally, this type of circuit is used in the 2.1 subwoofer amplifier. Output Power is Up to 14W (with proper heatsink and ±18V supply). Supply Voltage: ±6V to ±18V (dual supply). Load Impedance: 4Ω or 8Ω speakers. Here, use dual TDA2030. This is a bridge-mode amplifier; this circuit can make 30 watts of output.
tip41 and tip42 amplifier circuit diagram:
This is the tip41 and tip42 amplifier circuit diagram. This circuit can deliver 150 watts at 18-0-18 volts and 5 amperes. It’s a mono-audio circuit diagram. Here, use TDA2050 for the driver section. It’s a bridge-mode amplifier circuit diagram.
The circuit diagram is
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