More about power (1013)

1-10-1993 | This nickel-cadmium (Ni Cd) battery charger is capable of charging up to eight cells individually. The power semiconductors needed to acco...

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...

1-07-1993 | Often only a single power supply is available for an opamp circuit. Since such circuits normally require a double supply, this means that...

1-07-1993 | The power off circuit ensures that the load is automatically removed from a battery. Itis particularly useful in cars, so that if the dri...

1-07-1993 | The aim of the design of this 'zener diode' is to obtain a fast voltage regulator that can provide high currents. The circuit is based on...

1-06-1993 | Since the early 1890s, man has pioneered the technique of converting wind power into useful electricity. The development of engineering s...

1-05-1993 | A stabilized power supply unit with current limiting is described that not only provides but also accepts power. This property is indisp...

1-04-1993 | Most audio output measurements are concerned with the voltage delivered across the loudspeaker by the output stage. If the loudspeaker...

1-12-1992 | Thermocouples are economical and rugged devices for temperature measurements. Because of their small size, they respond quickly, and are...

1-12-1992 | The type NH -02 humidily sensor from Figaro consists of a capacitive humidity sensor, Zg, in series with a thermistor, Zt on an aluminium...