Electronics Help Care electronics circuit diagram

LA4440 amplifier circuit board: This is the LA4440 amplifier circuit board diagram. this circuit can make 19 watts in bridge mode. this is a mono circuit. This IC can be stereo and mono. here this is a mono diagram. it’s bridge mode. this circuit can run with 8 voltage to 15 …

TDA2050 amplifier circuit board: This is the TDA2050 amplifier circuit board. this diagram can make 64 watts maximum using 18-0-18 voltage. but we usually use 15-0-15 voltage. It needs dual voltage positive negative and ground voltage. in this diagram has 2 ic. it’s one of the best small audio amplifiers.  …

how to increase the power of the amplifier: This circuit can increase the power of the amplifier. we can add the transistor following this circuit diagram. two transistors can be 8 transistor amplifiers. this circuit needs a PNP and NPN transistor. here used 2sc5200 and 2sa1943 transistor.  Positive to positive. …

Transistor amplifier 100 watts: This is a transistor amplifier of 100 watts. It is a PNP and NPN circuit diagram. this circuit needs dual voltages. here we can use 35-0-35 voltage and 5 amperes. this circuit can make 100 watts. this pair of 2sc5200 and 2sa1943 transistors can make 100 …

Easy amplifier circuit diagram: This is an easy amplifier circuit diagram. we can get 25 watts and 4 ohms. here used one IC LM741. and 2 transistors. one NPN and one PNP transistor. For positive transistor is bc548 and for negative is a1015. we can use 9-0-9 voltages to 15-0-15 …

5-volt amplifier board: This is the 5-volt amplifier board. this circuit can run with 5 voltages. used 2 transistors only. one transistor is Bc548 and another one is A1015. Bc548 is an NPN transistor. Collector, Base, and Emitter.  A1015 is a PNP transistor. Emitter, Collector, and Base. we can use …

Audio amplifier using tda2003 This is an audio amplifier using tda2003. here used 12-voltage. this circuit can make 10 watts. this is a mono circuit. for stereo, we have to use dual circuits. in this circuit needs only 12 voltages. positive and negative voltage. Thanks a lot for being with …

voltage regulator circuit diagram: This is the voltage regulator circuit diagram for 12 voltage. this type of circuit can make strong amperes. we usually use 7912 for 12 voltage. this is for the negative voltage. here, I used one 12-volt Ziner diode. this ziner diode regulates the voltage. we get …

Easy preamplifier circuit diagram: This is the easy preamplifier circuit diagram. We use this circuit to the amplifier to increase the sound. here used one transistor. NPN transistor. 2sc1815. it’s the mono circuit. if we need stereo then we have to use dual circuit. we can use 6 voltage to …

How to make voltage 50-0-50: How to make voltage 50-0-50.  here we are making high volt using low volt transformer. We used two transformers to produce this volt. our transformer is 25-0-25 volt but we need 50-0-50 volt. for this, we use two transformers. we don’t use the full wave …