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Miniature Class A Amplifier - The philosophy behind this minimalist design
has been explained by Flavio Dellepiane on his highly interesting site 1. I have
myself written an article about this fleapower amp from Italy in the American magazine
AudioXpress 2. All relevant details…(added 05/08)
Miniature FM Transmitter #7 - There is no thrill like the thrill you get
from operating equipment you have built yourself. If you have never built a project
from a magazine before,… [Tony van Roon]
Mini-Box 2 Watt Amplifier - This amplifier was designed to be self-contained
in a small loudspeaker box. It can be feed by Walkman, Mini-Disc, iPod and CD players,
computers and similar devices fitted with line or headphone output. Of course, in most
cases you will have to make two boxes to obtain stereo....
Monoblock Gainclone Amplifier - This is a monoblock Gainclone amp based on a
LM3886 IC which is more suited to 4 ohm loads. It will output 70 Watts into 4 ohms.
This version also uses a very high capacitance PSU and a snubber. The case is made
entirely…(added 08/08/08)
MOSFET Amplifier - This amplifier evolved from the previous 6 transistor
mosfet amplifier. That design was already so good there seemed no reason to look for
improvements, but the high open-loop distortion at 20kHz and the resulting triangular
'error voltage' extracted suggested that the non-linear mosfe....(schematic design
added 08/08/08)
MOSFET Power Amp - DIY high power MOSFET amplifier200 Wrms 8 ohms -350
Wrms4 ohms (added 4/02)
Motorola Hi-Fi power amp - This is a very simple, low cost, Hi-Fi quality
power amplifier. You can build it 5 ways, like it's shown in the table (from 20 W to
80 W RMS). ….(Circuit design added 11/08)
MP3 Player - This is my MP3/AAC player project. The difference to most other
players is that decoding is not done on a specialized IC (like VS1001), but directly
on the microcontroller. It can play MP3 (all bit rates) and AAC (up to ~256 kbps) from
SD card in real time. The project is work in progress. (Circuit design added
07/07/07)
MP3 Player with IR Remote Control - This MP3 player similar to iPOD shuffle
that is based on the latest innovative BU9432 chip from RHOM. It features USB 1.1 /
2.0 Controller, MP3 decoder, system controller for loading MP3 files from a USB flash
drive, USB hard drive, USB CD-ROM or USB DVD-ROM drive all in one chip. Once USB flash
drive is connected, BU9432 automatically ….(electronic schematic added 11/08)
