Electronics Help Care Amplifier circuit diagram
This is a power amplifier circuit using transistors. It’s a stereo diagram board. Here, use 4 transistors: 2 for the left channel, and another 2 for the right channel. 100+100 watts of output power using 35-0-35 voltage and 5 amperes. We know that Voltage X amperes = watts. So, 35X5=175 watts we can get using 35-0-35 voltage.
This diagram has no driver transistors. Here, use the 4558D IC to drive the audio. C5198 Transistor Polarity is NPN. Maximum Collector Power is 100 Watts. Maximum Collector-Base Voltage is 160 Volts. The Maximum Collector-Emitter Voltage is 160 Volts. Maximum Emitter-Base Voltage is 5 Volts. Maximum Collector Current is 10 amps max.
Transistor amplifier circuit diagram C5198:
This is a transistor amplifier circuit diagram, C5198 and A1941. This pair of transistors can make 50 watts. It’s a mono audio board. For stereo needs dual board. we can use 20-0-20 voltage to 40-0-40 voltage and 3 amperes. C5198 is positive, and A1941 is negative. We can also use another pair of positive and negative transistors. like 2sc5200 and 2sa1943.
This is a DIY amplifier circuit diagram using a TDA2030 IC. It’s a mono audio circuit, so the stereo needs a dual board. We can use 12-0-12 voltage to 18-0-18 voltage and 3 amperes on this board. We can get 30 watts using 15-0-15 voltage. positive, negative, and ground voltage needs in this circuit. A dual IC is used in this board; it’s a bridge mode circuit. We can also use TDA2050 in this board.
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. If the amplifier has any problems, this circuit can save our soundbox. Normally, when the transistor makes a short circuit, the voltage comes out from the speaker output line, and this circuit protects that voltage. This circuit should not allow direct voltage to be sent to the speaker. This circuit is essential for protecting the speaker.
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