A. Rietjens (66)

1-02-1996 | Today's computers invsriabky requlre vast amounts of memory, with 16 Mbytes of DRAM generally accepted as a kind of minimum for Windows 96...

1-12-1995 | The timer is based on a Type 4536 from SGS-Thomson. This IC contains 24 series-connected binary scalers, which divide the frequency of t...

1-12-1995 | A simple approach to the problem of frequency doubling a digital signal is shown here. An XOR gate, lC(1a) supplies a needle pulse on the...

1-12-1995 | The circuit in the diagram is intended primarly for the rapid selection of two identical resistors (within a few per cent). It does so m...

1-12-1995 | Many switching functions are digitally controlled nowadays. A drawback of this is that it can no langer be seen from the position of the...

1-12-1995 | Most drainage pumps are fitted with a level swttch that provides a hysteresis of 1O~15 cm. When small volumes are drained, the liquid run...

1-07-1995 | Printer buffers serve to ensure that the data to be printed are taken from the computer as quickly as possible so that th e computer can...

1-07-1995 | In certain applications it may be desirable, in order to limit unnecessary power losses, to have the use of a diode with a forward voltag...

1-07-1995 | Since Ferranti have taken their well-known ZN436, a 6-bit digital to-analogue converter, out of production, the ZN426 has 'replaced' it....

1-07-1995 | A microprocessor-controlled charger is described that surely meets the requirements of most users of NiCd batteries. It is fast, suitable...