Ton Giesberts (354)

| Reversal of the supply lines to a circuit normally has disastrous consequences. The protection described here can prevent such a disaste...

| Home made audio amplifiers are rarely equipped with a remotely controlled motor-driven volume control. Curious, because motor-driven pots a...

| The popularity of halogen light is still increasing, and rightly so because of some distinct advantages: the colour temperature is agreeab...

| Music should be heard and enjoyed as if the orchestra were right in front of you. Unfortunately, neighbours, children and other members of...

| A flash tube control circuit is described wh ich is suitable for playful as weil as serious applications. The unit has a flash frequency o...

| This article describes a completely updated and higher-power version of the 'Medium power a.f. amplifier' published in this magazine just...

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

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

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

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