More about design (647)

1-12-1990 | The design described here enables the selection of up to eight inputs of a prearnplifier without any switch clicks or other noises. It ma...

1-12-1990 | A heat-sensitive sensor may be used to construct a direction detector. Such a sensor reacts to all animal heat. The one used in the prese...

1-11-1990 | Although 1-of-16 decoder chips are readily available, higher ratios have to be constructed from 1-of-16 types. It shows how to build a 1-o...

1-10-1990 | For the reception of weak UHF-TV signals a good antenna is, of course, indispensable, but by itself it may not be enough. If that's the ca...

1-07-1990 | Adequate decoupling of power rails of most circuits is a seriously underestimated necessity. Particularly in the design of printed-circui...

1-07-1990 | There are many ways of designing an analogue-to-digital converter: the present design is aimed particularly at a high speed. The speed is...

1-05-1990 | Using a PC is one thing, getting it going again after a serious hardware malfunction quite another. The servicing card presented here, a d...

1-04-1990 | This article discusses an extension of the well-known single-phase, full-wave bridge rectifier to provide a high-efficiency voltage multip...

1-03-1990 | Many inexpensive or older TV sets lack a SCART or other composite video input, and can only be connected to a video recorder or other equi...

1-01-1990 | HCMOS integrated circuits were originally intended for the design of fast, low-power-consumption digital circuits. In practice, these devi...