| Experts throughout the world agree that the future for energy would look much smoother — and renewable energy sources would look more tempti...
| Experts throughout the world agree that the future for energy would look much smoother — and renewable energy sources would look more tempti...
| We have been asked by a number of readers whether it is possible to extend the High Corn circuit so that it can be used in conjunction with...
| Generating wind at professional film and television studios is a relatively simple matter: all they have to do is press a button and a power...
| The final article on the basic version of the NEW Elektor synthesiser describes the control and output module (COM). This was originally des...
| A squelch ensures that a receiver amplifier does not get inundated by unwanted noise when the transmitter signal is not present. Such a devi...
| a practical noise reduction system Last month we promised to come up with a practical noise reduction system that avoids using a 'hard- to-g...
| Although NiCad batteries are relatively cheap, they by no means eliminate hermetically sealed lead acid batteries. For one thing, it is more...
| Large-gap semiconductors are potentially useful materials for the manufacture of light-emitting diodes. Their spectral range now includes th...
| There's no doubt about it: digital systems are 'in' and analogue systems are on the way 'out'. Even the audio field which used to be a sanct...
| Having to protect a power transistor such as the 2N3055 may seem like a pointless task. However, there are some instances where even these m...