Ton Giesberts (358)

1-02-1994 | The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...

1-12-1993 | In spite of their relatively modest T0220 case, the International Rectifier HEXFETS used in the present GO-watt-output amplifier can cope...

1-12-1993 | The converter enables an cxisttng positive supply voltage to be raised, to be lowered, or to be changed into a negative potential.

1-12-1993 | Nowadays, several manufacturers produce ICs that combine an infra-red receive LED with associate amplifier and demodulator. The Type SFH5...

1-12-1993 | Although good and inexpensive integrated analogue-to-digital (A-D) converters are now readily available, it may be instructive to build o...

1-12-1993 | The circuit detects a change in video information and uses this to switch on an alarm in a closed-circuit television guard system of a vi...

1-11-1993 | MOSFET output transistors should be as near-identical as possible, irrespective of whether they are complerilentary pairs or connected...

1-09-1993 | The prototype loudspeaker system is housed in a 90 cm (36 in) high enclosure, details of which are shown in this article. The drive unite...

1-09-1993 | Not all CD players have a digital output, which is a must if the player is to be connected to an external DAC or digital recorder. Since i...

1-07-1993 | Designing an active loudspeaker system is a complex (but fascinating) matter because each drive unit needs its own output amplifier and c...