| The circuit is intended for carrying out harmless experiments with high-voltage pulses and functions in a similar way as an electrified...
| The circuit is intended for carrying out harmless experiments with high-voltage pulses and functions in a similar way as an electrified...
| One of the drawbacks of a threepin voltage regulator is that the input voltage needs to be 2.5–3 V higher than the output voltage. This...
| A small audio test generator is very useful for quickly tracing a signal through an audio unit. Its main purpose is speed rather than re...
| The magnification of very weak audio-frequency signals is and remains a precarious affair. That is why a microphone amplifier good en...
| There is no single answer to the question of whether audio amplifiers using transistors are better than those using valves or vice versa. It...
| Almost fifty years ago, Wireless World (now Electronics World) published the design of an audio output amplifier that gave a new dimension t...
| This preamplifier is intended for those audio enthusiasts who are interested in only the best. Its discrete design produces distortion...
| I 50 W a.f. amplifier Although audio en thusiasts come in many sizes and colours, not many of them are prepared to spend a lot of money, tim...
| If you're looking for an audio amplifier that produces a lot of power using an absolute minimum number of components. this one is for yo...
| On much audio equipment, the headphone output is simply derived from the loudspeaker output via a series resistor: not a very elegant desi...