This is the circuit diagram of 2 x 22W stereo car audio amplifier. The circuit is powered by a single IC TDA1553 with some external components, this IC will handle your stereo car audio system. The TDA1553CQ is a monolithic integrated class-B output amplifier in a 13-lead plastic DIL-bent-SIL power package. It contains 2×22 W… Read More »
This is the circuit diagram of 80W power audio amplifier based on power IC LM12. The circuit kit is sold at electronic part/component store, the design is proven to be valid and work. This amplifier use dual polarity power supply to operate. Here the Amplifier Circuit Diagram: Here the PCB layout:
This is 68W power audio amplifier circuit which built based on single IC LM3886 from National Semiconductor. A LM3886 used for single channel operation. Dual polarity / split / symmetrical power supply used to operate this amplifier circuit. The LM3886 is a high-performance audio power amplifier capable of delivering 68W of continuous average power to… Read More »
This is a stereo audio tone control circuit which build based on IC LM1036. This circuit will controll bass/treble level tone, volume and balance between right channel and left channel (input 1 and 2 ). You may use this circuit for stereo applications such as car radio, TV and audio systems, mp3 player, dvd player,… Read More »
This is bench power supply circuit for multi purpose usage… This bench power supply features three solid-state DC power supplies. The first supply gives a +1.5 to +15 volts at 1 ampere. The second supply gives a -1.5 to -15 volts at 1 ampere. The third has a fixed 5V at 3 amperes. All DC… Read More »
Hobby power supply for electronic hobbysts. This is power supply circuit which have 2 output that are static output and adjustabled output. The static output is stabled and regulated output. The circuit is based around the 7805 voltage regulator. It has only 3 connections (input, output and ground) and it provides a fixed output. The… Read More »
The circuit diagram of 3V-30V/3A adjustable regulated power supply. This is an adjustable and regulated power supply with stabilized DC voltage between 3V and 30V provided that the consumption does not exceed 3A direct current. This circuit featured with short circuit protection and overload protection. This power supply unit can be used for general purposes,… Read More »
This is a 18 Watt audio amplifier circuit based on power IC HA13118. The supply voltage required for this circuit is 8 – 18V DC, at least 1 to 2 Amps. Maximum output power will only be obtained with a power supply of 18V at greater than 2 A, using a 4 ohm speaker. The… Read More »
This is an amplifier circuit with gain music output power up to 7W. It uses IC TDA2003 as main component. This 7 watt audio amplifier circuit is small but powerful multi purpose amplifier. IC TDA2003 provides a high output current capability (up to 3.5A) very low harmonic and cross-over distortion.