After the amplifier was constructed it was hooked to the computer and immediately I could hear everything on the CPU – hard disk, processor, Wifi dongle etc. They come in various hums, whines, static, clicks etc. Noise will start after the M3-ATX takes the amplifier out of standby through the remote/thump terminal. Through much reading …
Monthly Archive: January 2011
Jan
13
Jan
12
Ibus interface
Ibus interface was built based on Resler’s V4 schematic which is a serial interface. Schematic is like below but without the NTSC input. Also I need to do some correction to the schematic after checking with Maxim datasheet. Pin 2 and 6 are connected differently in the diagrams below. Ok, now to pictures!
Jan
09
Case and power supply
The case and M3-ATX power supply arrived during the week and the motherboard was installed into the case. Here is the picture of the M3-ATX and picopsu-80. The differences between the two power supplies are that picopsu expect a regulated 12V input while M3-ATX can have a wide range input 6-24V. While picopsu works just …