Audio Amplifier Circuits
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The circuit diagram shown here is of a 2 x 60 Watt stereo amplifier based on the LM4780 from National Semiconductors. LM4780 is a superb audio amplifier IC capable of delivering 60W Rms power output / channel into 8 ohm speakers. The LM4780 has very low.... -
The audio amplifier shown here is based on the TDA7240 IC from ST Microelectronics. The TDA 7240 is an integrated audio amplifier IC that can deliver 20 watts of audio output power into a 4ohm load. The IC has minimum external parts count and is available in.... -
Here is a very simple three transistor audio amplifier circuit that can deliver 250mW to a 8Ohm speaker. Complementary transistors BC337 and BC227 (Q3 and Q2) are used as the output pair. Transistor Q1 (BC 547) acts as the preamplifier. POT R5 can be used as.... -
An audio power amplifier circuit for 3 watts stereo amplifier using max 7910 IC is explained below.... -
I`m a bit of a newbie, but I love to experiment. I thought I would try to make a small guitar amplifier using some of the circuit designs posted here. I`m thinking of using this 30 Watt design (actually, the single 12VDC version mentioned in the comments.... -
This is a very excellent 40W power amplifier design using TDA2030 IC and two transistors. The circuit employs only few components and does not require a dual power supply. The input signal is coupled to the non inverting input of TDA2030 through the DC.... -
LM3876 based 50 watt audio amplifier circuit. Operates from +/-35V DC. Simple design, low noise,.... -
A car stereo amplifier circuit using TDA2040 is shown here. TDA2040 is a monolithic integrated audio amplifier that operates in Class AB mode. The IC has built in circuitry for short circuit protection and thermal shut down and more over it can be operated.... -
A simple and easy to build Hi Fi audio power amplifier circuit is shown here. This 6 watt hi Fi audio amplifier circuit uses TDA2613 IC.... -
LA4550 audio amplifier in BTL configuration. This amplifier can deliver 4W into an 8 ohm load at 12V power supply.... -
A simple mini or small audio amplifier circuit with diagram and schematic using TDA 7052 IC from philips. Ideal to use as a pocket radio amplifier circuit which deliver 2 watts.... -
The circuit given below is of a simple audio amplifier that can deliver 12W to an 8 Ohm speaker. Op amp IC TL081 is used as the preamplifier here. Actually any opamp with matching power supply ratings can be used instead of TL081. Transistors Q1 and Q2.... -
TDA2822 audio amplifier circuit , 1.35W into 4 ohm speaker @ 6V supply. Bridge and Stereo modes possible. 3V to 15V supply voltage range. Suitable for mini hand held audio applications.... -
This is the circuit diagram of a simple three transistor audio amplifier that can deliver around 100mW power to a 25 Ohm speaker. The diodes D1 and D2 provides a constant bias voltage for the transistors Q1 and Q2. The transistor Q1 works as a preamplifier..... -
All ground point in the circuit should be connected in a single point and ground it(If possible) or connect in transformer`s 0 marked wire as shown in the circuit... -
This is a simple circuit but have a high performance power amplifiers. This power amplifier is available as a PCB, with full list of parts to .... -
This circuit shows a car audio amplifier with TDA7381 IC. With the Tda7381 audio amplifier IC we can design a very simple 4x25 watts car radio .... -
The following circuit shows about Mini Audio Amplifier Circuit Schematic Diagram. Features: power less than 3mA, small output, using push-pull .... -
The following circuit shows about USB Powered Audio Power Amplifier Circuit Diagram. Features: multimedia speakers for PCs, has single-chip-based .... -
The following circuit shows about BUZ902DP 300 Watt Audio Power Amplifier Circuit Diagram. Features: 20 Hz 20 kHz Audio Frequency Linearity, .... -
12W Audio Power Amplifier Circuit Diagram. Features: small power amplifier, very good quality of sound, combines a completed very good quality .... -
This circuit is based on the BA5406 audio integrated circuit and also capable to provide maximum output power of 3 watts per channel . This audio .... -
The following circuit shows a 20Watt Audio Amplifier Circuit Diagram Based On The LM1875 IC. Features: applied in a car, 20Watt audio amplifier, 4 .... -
The following circuit shows about Audio Amplifier Mono Circuit Diagram. This circuit based on the LA4555 IC. Features: mono circuit, 2.3 watts .... -
The following circuit shows about Audio Amplifier 25 Watt Circuit Diagram. Features: used in practically every mass market stereo receiver manufactured, better .... -
This circuit shows a Car Radio Audio Amplifier Datasheet With TDA2003. This TDA 2003 datasheet has electrical characteristic, schematic wiring .... -
The following circuit shows about BC547 Transistor For Output Relay Delay Audio Amplifier Circuit Diagram. Features: disconnects the speaker immdiatly when the .... -
This circuit use TA7222AP to amplifiers audio signal. The price only $0. 99 and can provide 5. 8 watt with Muting Control. Power supply can use for 8-12Vdc it is a good idea to use for car audio power amp, coin-op machine game, security system etc... -
4 Stage FM Transmitter This is the FM transmitter circuit which apply 4 radio frequency stages, that are a VHF osci Wholesale fmuser CZE CZH FM Transmitter,Fm Transmitter % FM Radio Transmitter for sale ?czhfmtransmitter,OEM ODM Low Power Fm Transmitter.... -
ASSP For Communication AN12979A AN12979A is the stereo BTL Amplifier which contained the AGC circuit for clip prevention of a speaker output. 2 This IC performs a mode change by the I C bus control system. (Standby function ON/OFF change etc. ) By Panasonic.... -
ASSP For Audio AN41240A The AN41240A is a single chip IC that uses single-hall-sensor drive on the input side of the spindle motor drive block and low-noise direct PWM drive of sine wave on the output side, incorporating a PWM 6-channel driver necessary for....
New Circuits
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This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of.... -
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is.... -
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to.... -
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This.... -
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the.... -
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,.... -
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the.... -
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power.... -
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
Popular Circuits
Many amplifiers have phono inputs for connecting record players to the amplifier. Phono input is...
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