| If we only used electronics to process existing signals, we would be missing an important aspect of electronics: generating oscillating sign...
| If we only used electronics to process existing signals, we would be missing an important aspect of electronics: generating oscillating sign...
| Here we present a direct-reading audio spectrometer using a microcontroller, a graphic equalizer chip, and not much more. Using seven vertic...
| Analog circuits have had their day; everything is digital now. Here we present a simple digital amplifier built with standard CMOS logic gat...
| Although there are a number of initial considerations when designing an audio amplifier (power, distortion, robustness, etcetera) it is some...
| It all started with the Measurement Filter for Class D (100540-1) published in issue 415, July/August 2011. It was designed to handle large...
| This simple circuit indicates the amount of power that goes to a loudspeaker. The dual-colour LED shows green at an applied power level of a...
| 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...
| It is now an established and fortunate fact that may hobbyists and programmers offer their knowledge, experience and expertise via the In...
| The circuit is intended for carrying out harmless experiments with high-voltage pulses and functions in a similar way as an electrified...
| The Serial Copy Management System (SCMS) prevents digital copying of audio material from the second generation onwards. Unfortunatel...