1W Bass Power Amplifier
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Two transistor audio amplifier circuit
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1.5W Audio power amplifier (12V)
ICs have largely replaced circuits such as this, this circuit still finds use where the flexibility of a discrete device design is desirabe. Parts are easy to o...
Video Signal Amplifier
The circuit is a broad band amplifier which will take the video signals from your VCR and will amplify them sufficiently to drive up to 3 monitors, TV sets (pro...
Choosing Components Audio Amplifier
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Low Voltage Microphone Preamplifier Circuit
This is a low voltage microphone preamplifier circuit with a 1. 5V power supply. The reference, with a 500 kHz unity-gain bandwidth, is used as a preamplifier w...
200W Hybrid Audio Amplifier Circuit
Connecting two TDA2030 thru cheap power transistors we can create a amplifier wich can deliver a higher power. With the components value from the schematic.....
TDA7294 Audio Amplifier Circuits
TDA7294 is a monolithic integrated circuit in Multiwatt15 package, with high output power (up to 100W) intended for use as audio class AB amplifier in Hi-F.....
Common Base vs Common Emitter - Single Transistor Amplifier
Single Transistor Amplifier Revisited Part 3, Common Base vs Common Emitter Configuration, Update One nagging question that I have long had is this: How do.....
LM317 Audio Amplifier
You probably know that LM317 IC is used as an adjustable voltage regulator, but did you know it can be used as an audio amplifier? This is a class A audio.....
200W Transistor Audio Amplifier Circuit
This audio amplifier circuit delivers up to 200 W of top-class quality for loudspeaker from 4 to 16 ohm. Operating voltage is between 24 and 36 V, max 5 A ...
LA4440 Stereo Amplifier Circuit
LA4440 is a two channel audio power amplifier IC with inbuilt in dual channels enables it for stereo and bridge amplifier applications. In dual mode it giv.....
LM386 Audio Amplifier Circuit
The integrated chip LM386 is a low power audio frequency amplifier requiring a low level power supply (most often batteries). It comes in an 8-pin mini-DIP pack...
FET Preamplifier Circuit
Field Effect Transistor is an amplifying device in which the output current depends on the input voltage. The FET Pre Amplifier described here is a sensiti.....
30W Power Audio Amplifier Circut
TIP141 si a npn silicon power darlingtons designed for complementary use with TIP145, TIP146 and TP147. Can stand up to 125 W at 25 °C Case Temperature, 10 A C...
TDA1514 40 Watt Audio Amplifier Circuit
This is a compact, easy to build amplifier that uses one IC only but delivers 40 watts of audio power. It is ideal for amplifying audio from your mobile CD play...
TDA1562Q Audio Amplifier Circuit
At low output power, up to 18 W, the device operates as a normal BTL amplifier. When a larger output voltage swing is required, the internal supply voltage is l...
70 Watt MOSFET Audio Amplifier
This simple power mosfet audio amplifier circuit, with TL071C and 2 MOSFETs (IRF9530 and IRF530) can deliver up to 45 Watts on 8 © speaker. This schematic is b...
Audio Amplifiers from Class A to T
The final amplifier is the power source of every audio installation. Its job is to convert a small alternating voltage into a powerful signal for driving l.....
TV Antenna Amplifier Circuit
A very simple and cheap tv antenna amplifier circuit built with BF961 a NChannel Dual Gate MOS common transistor used for input and mixer stages especiall.....