| Model aircraft tend to be realistic reproductions of the real thing. That means, among others, that starting the petrol engine must be d...
All items tagged with Power and Power Supplies (224)
| 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...