All items tagged with PDF and power (17)

1-12-1993 | The lamp in slide projectors is normally controlled with the aid of a triac in series with it. This method reduces the brightness of the...

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...

1-07-1992 | When the Atari ST is provided with an external hard-disk drive, it has to be reset after about 15 seconds, as otberwise the drive is not...

1-12-1991 | The power supply for this analogue circuit that affords delays of 330 seconds is taken directly from the mains. The direct voltage at the...

1-12-1990 | It happens frequently that the output current of an operational amplifier is inadequate for the application as, for instance, whent a sma...

1-07-1990 | In most variable power supplies, the correlation between the setting of the wiper of the relevant potentiometer and the output voltage is...

1-07-1990 | This simple design, consisting of a TL071C driver and two MOSFET power amplifiers, can deliver up to 45 W into 8 Ω.