Electronics Help Care electronics circuit diagram

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 …

Amplifier circuit using tda2050: This is 30 watts audio amplifier circuit using tda2050. here used TDA2030 IC. This IC can make 30 watts. this is a dual-power diagram. here needs dual power. positive negative and ground voltage. we are using 150-0-15 voltage. we can use 9-0-9 voltage to 22-0-22 voltage …

pre amplifier for the amplifier: This is the pre-amplifier for the amplifier. this is the circuit to increase the sound. we use this circuit for the amp to get better sound. normally it is used with a bass tone circuit. here used 12 voltage. this is a mono-circuit diagram. for …

5 band equalizer circuit: This is a 5-band equalizer circuit diagram for an amplifier. every amplifier needs a good-quality bass-tone controller. we usually use volume bass and tone circuits. or bass midrange and tone. but here we use bass, semi-bass, mid, semi-treble, and treble. 5 graphic. this is without a …

high current diode making: we can make a high-current diode like this circuit diagram. if we use one rectifier the the rectifier will be very hot. for this case, we use 4 pieces of rectifier to make AC voltage to DC voltage. this circuit diagram helps fully to make a …