| Integrated voltage regulators LM317 and LM337 enable a simple, regulated, symmetrical power supply as shown in the diagram to be designed....
All items tagged with Time and Power (29)
| 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...
| The power supply for this analogue circuit that affords delays of 330 seconds is taken directly from the mains. The direct voltage at the...
| When a bicycle speedometer must be rugged, accurate and, above alt novel and a Iittle unusual, the 'high-rech' computerized LeD units fou...
| It happens frequently that the output current of an operational amplifier is inadequate for the application as, for instance, whent a sma...
| It has been some time since we published a 200+ Watt power supply like the one described here. Capable of supplying up to 10 A (and more i...
| In most variable power supplies, the correlation between the setting of the wiper of the relevant potentiometer and the output voltage is...
| This simple design, consisting of a TL071C driver and two MOSFET power amplifiers, can deliver up to 45 W into 8 Ω.
| 056 MAINS POWERED TIMER This timer may be inserted in a power line to provide a controllable delay before a load is energized. It was develo...