More about Audio (595)

1-01-2005 | Mains (or ‘power-line’) signalling has matured from the early stages of the single 130-kHz carrier with simple modulation for a primitive 1-...

1-12-2004 | This audio peak detector allows a pair of stereo channels to be monitored on a single LED.Identical circuitry is used in the left and right...

1-12-2004 | The well-known LM386 is an excellent choice for many designs requiring a small audio power amplifier (1-watt) in a single chip. However, the...

1-10-2004 | It’s safe to say that every modern PC for home or office use has an internal soundcard. In general, the quality of the PC’s sound subsystem...

1-06-2004 | The final amplifier is the power source of every audio installation. Its job is to convert a small alternating voltage into a powerful signa...

1-04-2004 | Audio lovers will no doubt drool over the new Elektor preamp with digital control published in this issue. This, of course, calls for a matc...

1-07-2003 | Wouldn’t it be nice to have an oscilloscope, spectrum analyser and function generator in one instrument without doing enormous damage to you...

1-05-2003 | Many motherboards these days only offer limited space for expansion cards, and integrated sound chips are generally not so well suited to hi...

1-12-2002 | The USB Audio-DAC described exactly two years ago received unexpected acclaim as a small external sound card. Soon after the publication we...

1-11-2002 | This simple control circuit allows the level of an external stereo audio source to be adapted to the sensitivity of, for example, a sound ca...