Low Cost Amplifier Circuit Using Three Transistors
The working and circuit diagram of a low cost amplifier using transistors BC107, and BC148 is explained in detail.....
LA4550 audio amplifier circuit 4W 8 ohm 12V operation
LA4550 audio amplifier in BTL configuration. This amplifier can deliver 4W into an 8 ohm load at 12V power supply.....
Audio power amplifier circuit using Hi Fi audio amplifier IC TDA2613
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.....
Head phone amplifier circuit
Here is a simple head phone amplifier circuit that can be used to drive your head phone if your music player doesn`t have enough power to drive your head phones...
Transistor amplifier circuits
Transistor amplifier circuits which are very simple and easy to construct. Includes head phone amplifier, 4 transistor amplifier and a low power amplifier.....
FET based audio preamplifier
This is the circuit of a based audio preamplifier which has very low noise. One FET and one BJT are used in this circuit. The audio signal to be amplified is co...
Crystal pickup pre-amplifier circuit
A preamplifier operating on a single supply and suitable for use with high impedance type crystal pickups is shown here. The circuit is basically a non-invertin...
Car Amplifier Circuit Schematic using TDA2040 Integrated Audio Amplifier
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 ...
Cable TV amplifier
This is a very simple cable TV amplifier using two transistors. This amplifier circuit is most suitable for cable TV systems using 75 Ohm coaxial cables and wor...
50 watt audio amplifier based on LM3876
LM3876 based 50 watt audio amplifier circuit. Operates from +/-35V DC. Simple design, low noise,.....
40W audio amplifier
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 po...
4 X 15 Watt power amplifier
A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because it is a four channel ...
Audio AmplifierCircuit - 30 Watts
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 think...
2X15 Watt stereo amplifier using TDA4935
TDA4935 is bipolar stereo amplifier IC that can be wired as a 2X15W stereo amplifier or a 30W mono BTL amplifier. The IC also features built in circuitry for ov...
Hi Fi Amplifier Circuit 2X12 Watts
A simple Hi Fi amplifier circuit diagram with schematic for making audio amplifier,design using TDA 2616 IC, which is a stereo power amplifier, useful for radio...
250mW audio amplifier
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) a...
Power AmplifierCircuit and Schematics for 25 Watts-IC TDA2009
Power amplifier circuit diagram with schematics. This simple audio power amplifier circuit is designed for 25 watts output power using TDA 2009 IC -which has tw...
24W amplifier using TDA1516
Here is the circuit diagram of a simple 24W mono amplifier using IC TDA1516. The TDA1516 is an integrated class B power amplifier in a 13 pin SIL package. The I...
20W audio amplifier using TDA7240
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 o...
2 x 60 W audio amplifier circuit
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 capa...