Electronics Help Care Amplifier circuit diagram

Driver circuit for transistor amplifier This is the driver circuit for transistor amplifier. this circuit can be used with PNP and NPN transistors. we can use 2sc5200 and 2sa1943. we can use 30-0-30 voltage to 80-0-80 voltage.  The circuit diagram is here 2sc5200 Polarity is NPN. Max Collector Power Dissipation is …

Amplifier diagram using tda2030 This is an amplifier diagram using tda2030. it’s a 15w+15w stereo circuit board. we can use 10-0-10 to 12-0-12 ac voltage. We can also use a 15-0-15 AC voltage and then change the TDA2030 to TDA2050.  circuit diagram This is the  Speaker protection circuit diagram. It can protect our …

how to repair amplifier circuit it’s very easy to repair the transistor amplifier circuit. every board has a driver section and main transistors. when the board has a problem then we have to repair it. for this, we have to check the main transistor first. then the driver transistors. here …

Amplifier circuit diagram using tda2030 This is an amplifier circuit diagram using tda2030. it’s a mono board. we can get 35 watts from this board. here can use 10-0-10 voltage to 18-0-18 voltage. Dule tda2030 is used in this board. and also need dual voltage positive negative and ground voltage. …

DIY audio amplifier using transistors How to DIY audio amplifier using transistors? this is a 100-watt mono-circuit diagram. for the stereo, we have to use a dual circuit. here, we can use 20-0-20 voltage to 50-0-50 voltage.The best voltage is 35-0-35 and it is 4 amperes.  Details about 2SC5200  2sc5200 …

PCB Layout Mini amplifier TDA 2009 This is PCB Layout Mini Amplifier TDA 2009. This circuit runs from a minimum of 9 volts to a maximum of 24 volts. it’s makes 10W+10W in stereo mode. but in mono mode, it produces 28 watts. it’s an easy circuit diagram and a …

200 watts amplifier using tda7294 This is the 200 watts amplifier using tda7294. here use dual IC for the stereo circuit. it’s a bridge mode circuit diagram. needs dual voltage positive negative and ground voltage. This circuit runs from 15-0-15 voltage to 35-0-35 voltage. we can get 100 watts + …

DIY 12 voltage amplifier: This is for a DIY 12 voltage amplifier. this is a 12-voltage amplifier circuit diagram. it’s a stereo circuit diagram. here used 12-voltage. la4440 IC is used in this circuit diagram.  It’s a dual-channel IC. stereo mode it’s 6+6 watts. in bridge mode 19 watts. We …

DIY amplifier circuit 100W: This is the DIY amplifier circuit 100W. this is a stereo audio diagram. it’s a mono diagram. here used one pair of transistors. This pair of transistors can produce a maximum of 100 watts. this diagram needs dual voltage. positive negative and ground voltage. 25-0-25 voltage …

Subwoofer circuit diagram: This is the Subwoofer circuit diagram using a low pass filter. This board is only an amplifier board. we have to use a low-pass filter circuit to make a subwoofer. we also get a lowpass filter here. here, we used 2 transistors sunken transistors. One transistor can …