Ton Giesberts (358)

1-02-1998 | Strictly speaking, a trinket cannot be functional, but the title of this article is apt. It is a kind of miniature VU meter whose LED...

1-01-1998 | There are occasions when it is desirable or even essential for a stereo microphone to be connected to a personal computer. Unfortunately,...

1-12-1997 | When a phorodtode is illuminated, it produces a significant photocurrent whose value depends on the level of illuminance.

1-12-1997 | As the name indicates, the selector is intended to chcose one of up to eight digital audio signal Inputs, which it does with the aid of a...

1-10-1997 | The circuit described in this article is eminently suitable for those who appreciate comfort as well as sound quality. In the circuit...

1-07-1997 | ln this design of a simple loudspeaker enclosure an attempt has been made to achieve a reasonably good quality with a minimum of materia...

1-07-1997 | In video processing, it is desirable to hold the blanking level of the video signal at a defined voltage level. In the clamp, this is ear...

1-07-1997 | The circuit shown in the diagram may prove useful when a 79xx voltage regulator needs to be replaced by a better quality type for which t...

1-07-1997 | The delay is intended to switch on the mains to heavy loads gradually to ensure that the switch-on current remains within certain Iimits...

1-07-1997 | The 20-bit ADC in the December 1996 issue of this magazine was fitted with symmetrical Inputs (as is usual in a professional appliance)....