Circuit Lake

Electronic Project and Circuit Collection

Archive for the ‘Amplifier’

40W Power Amplifier for FM Broadcast

June 10, 2009 By: admin Category: Amplifier, Analog, Transmitter No Comments →

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If you want to boost the output power of your low power FM broadcast band exciters then you can try this project, 40W broadband VHF RF Power Amplifier. The amplifier design is based on the recently introduced (1998) Motorola MRF171A MOSFET. The initial feasibility was performed using a linear RF and microwave simulation package, [...]

LeachAmp 200W Audio Amplifier

June 08, 2009 By: admin Category: Amplifier, Analog, Audio, Project No Comments →

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This project will show you how to build DIY LeachAmp 200W Audio Amplifier. Pavel build this audio amplifier based on Marshall Leach project, that’s why the amplifier dubbed as The Leach Amp. This HiFi amplifier has a good parameters, enough power reserve and simple construction. This audio project has better output compared to integrated [...]

Battery-Powered Audio Amplifier

May 21, 2009 By: admin Category: Amplifier, Audio, Project No Comments →

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Ruby is an “enhanced” version battery-powered amplifier. The project use LM386 – Low Voltage Audio Power Amplifier as main part. Ruby has many shades of sparkly clean all the way up to a great, natural overdrive. The input buffer helps to retain treble detail going into the 386 chip. As you increase the Volume, [...]