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Amplifier Circuits: High and Low Watt Amplifiers

High-Wattage and Low Watt RF & Audio Amplifiers

Here's a pretty good collection of RF and Audio amplifier with different watt output powers. Select the right watt amplifier for your application and then follow the instruction to build the amp!

0 Comments - in RF Amplifiers
MicroStrip 2.3 GHz (GigaHertz) RF amplifier with 1 Watt RF output power.
Shows an electronic circuit diagram (schematic) for a simple 10 Watt audio amplifier, using only 4 transistors.
Describes the schematic (circuit diagram) and PCB (Printed Circuit Board) for a cheap 100-150 Watt audio amplifier with few components.
PCB plans and circuit diagram (schematic) for what appears to be an extremely nice 100 watt guitar amplifier. Includes preamplifier and power amplifier circuit diagram and PCBs
Circuit diagram and construction notes for a very nice 40 Watt FM Amplifier, with wide-band operational characteristics. Includes low pass filter design. Very good notes.
This audio amplifier electronic circuit uses MOSFET transistors to create more than 25 Watts output power. Uses IRF530 and IRF9530 MOSFET transistors.
Photo: One Watt Audio Amplifier One Watt Audio Amplifier
1 Watt Audio Amplifier. 8 Ohms impedance. 20 Hz to 20 kHz. Small, few components.
Photo: Stereo Amplifier 44 Watt electronic kit Stereo Amplifier 44 Watt electronic kit
The circuit is a gem; a TDA 1554 Integrated Circuit is used to produce an amplifier that will output up to 22 watts per channel with distortion typically not in excess of 0.1% thd. Sound quality is very, very high. Originally intended for use in an automo
Photo: One Watt Stereo Amplifier (2x1 Watt) Electronic Kit One Watt Stereo Amplifier (2x1 Watt) Electronic Kit
2 channel (Stereo) Audio Amplifier with 1 watt per channel.
Photo: 3 Watt Stereo Amplifier Kit 3 Watt Stereo Amplifier Kit
Stereo 3 Watt Amplifier kit that powers two 4 or 8 Ohm speakers.
Photo: 20 Watt FM Power Amplifier (1 Watt Input) 20 Watt FM Power Amplifier (1 Watt Input)
This 20 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 20 Watts.
Photo: 40 Watt FM Power Amplifier (1 Watt Input) 40 Watt FM Power Amplifier (1 Watt Input)
This 40 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 40 Watts.
Photo: 150 Watt FM Power Amplifier (1 Watt Input) 150 Watt FM Power Amplifier (1 Watt Input)
This 150 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 150 Watts.
Photo: 300 Watt FM Power Amplifier (1 Watt Input) 300 Watt FM Power Amplifier (1 Watt Input)
This 300 Watt FM RF Amplifier will increase the output of your FM transmitter from about 1 Watt to 300 Watts.
Photo: 2 Watt Stereo (2 Channel) Audio Amplifier 2 Watt Stereo (2 Channel) Audio Amplifier
2 watts of power across to channels is what this kit delivers. Great quality.
Photo: 6-10 Watt Stereo Amplifier Kit 6-10 Watt Stereo Amplifier Kit
A stereo smplifier kit which outputs up to 4 watts per channel, giving a total of 10 watts.
Photo: 7 Watt Mono Audio Amplifier 7 Watt Mono Audio Amplifier
A Mono audio amplifier which produces a very good 7 watts output power.
Photo: High Quality 25 Watt Audio Amplifier High Quality 25 Watt Audio Amplifier
High quality 25 watt audio amplifier. Combining 2 would give a 50 watt stereo amplifier.
Photo: High End Tube amplifier (180 Watt Stereo) High End Tube amplifier (180 Watt Stereo)
An extremely good stereo tube amplifier which produces 90Wrms per channel.