More about power (1010)

1-12-1991 | Simple battery chargers and power supplies are not normally provided with a current Iimiter. In many cases, however, it would be advanta...

1-12-1991 | Digitally coded switches are useful and have many applications: for the individual who does not want to carry a heavy bundle of keys for...

1-12-1991 | The power supply for the delay circuit is derived directly from the mains by a bridge rectifier; D1-D4. The rectifier must be able to han...

1-12-1991 | Amplifiers that have no capacitor at their output may, in case of a defect, apply a direct voltage to the loudspeakers and this can destr...

1-12-1991 | Texas Instruments' TPIC2404 is a monolithic, high-voltage, high-current, quadruple switch especially designed for driving peripheral loads...

1-11-1991 | Dissipation in electronically regulated power supplies, manifested by heat, is a problem that is normally tackled by providing external he...

1-11-1991 | The power amplifier presented is a revamped version of the LFA-150 we published in late 1988. It provides rather less power than its popul...

1-09-1991 | This little circuit, designed and marketed as a kit by ELV, provides a visual warning when the maximum drive power to a loudspeaker is...

1-07-1991 | This little circuit switches off the equipment in your audio rack when this has not produced sound for some time.

1-06-1991 | In this penultimate instalment of the article (which was delayed by circumstances beyond our control), the power supply and the interfaces...