| Class-I output st It is not so easy to dream up a circuit for a high-quality class-B output stage without quiescent current. As a compr...
| Class-I output st It is not so easy to dream up a circuit for a high-quality class-B output stage without quiescent current. As a compr...
| There are two basic types of speed control for electric drills. The most common type simply reduces the power to the drill to obtain a...
| MSI and LSI chips as used in clocks, pocket calculators and the like are now being offered at surprisingly low prices. However...
| In the article entitled `Phasing` (Elektor No. 6) mention was made of the analogue shift register type TCA 590. Unfortunately, this parti...
| The Elektorscope is a dual-trace general purpose oscilloscope for the home constructor. In this design the accent has been placed on reli...
| Sound effects are always popular. One of the most popular effects for `livening up` disco- shows, films, etc., is the (police) siren. T...
| DIN case Mentor Electronics are supplying a new DIN case (Series 940) size 96 mm x 48 mm suitable for housing digital panel meters, smal...
| English Electric Valve Company Limited announces the first practical electronically tuned magnetron. Original EEV research, sponsored by...