| Model aircraft tend to be realistic reproductions of the real thing. That means, among others, that starting the petrol engine must be d...
More about Power Supplies (304)
| If a d.c. coupled output amplifier breaks down during operation, the loudspeakers, particularly the bass units, are at risk. The bass par...
| The best known alternatives to a 'quick and dirty' power supply are tbe three-pin flxed voltage regulator and the zener-plus-transistor...
| A small circuit is described that inverts a positive voltage into a negative one or doubles its level. It does not use inductors and is ba...
| The proposed mains power supply is a versatile unit for use where a stable voltage, medium power and good parameters are required. The qu...
| The greater part of this month's instalment is devoted to the operation of the microprocessorcontrolled synthesizer used to tune the RF...
| This second part of the artide was originally intended to deal with the adjustment of the main tuner board only. However, following many...
| How do you know whether your precious laboratory/workshop power supply unit is still working to specification? How do you measure the para...
| A reliable, sturdy switch-mode power supply is not the easiest of electronic circuits to design, as many of you may have found out the...
| One instrument no electronics hobbyist can do without is a regulated power supply. This month we present a no-frills design that should...