| The noise of small waves and a gentle breeze has a calming effect which may be exploited by insomaniacs, and ithers who find it difficult...
K. Walraven (99)
| Normally, stroboscopes, which are intended to emit short, intensive light pulses, operate from very high voltages. The present circuit wo...
| Many audio circuits need a symmetric power supply of ±12 V. If such a circuit is to be used in a car, the -12 V line must be somehow deri...
| The monitor, based on Philips Components' Type TEA1041T, enables a check to be kept on the power supply lines of a battery-operated appli...
| A power supply is described whose output can be switched to the six most common output voltage requirements and which can provide a contin...
| A deadlock situation occurs if you try to use two optocouplers to isolate two devices connected on an I²C bus. Everything will be fine wi...
| There is a problem if you want to use a car battery to power a circuit which requires a symmetrical supply voltage. Having abandoned the i...
| With the darkness of winter evenings on them again, joggers, walkers, hikers and long-distanee runners should take heed of their safety...
| The mains voltage level is dangerous, and possibly lethal to touch, so that extreme caution is required whenever you work on wiring or com...
| Most of the new, fast current-feedback op amps have an enable input via which it is possible to switch the device on and off. Because of...