More about power supplies (359)

1-05-1992 | The greater part of this month's instalment is devoted to the operation of the microprocessorcontrolled synthesizer used to tune the RF...

1-04-1992 | This second part of the artide was originally intended to deal with the adjustment of the main tuner board only. However, following many...

1-03-1992 | How do you know whether your precious laboratory/workshop power supply unit is still working to specification? How do you measure the para...

1-02-1992 | 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...

1-12-1991 | In most personal computers, the power supply provides +5 V and ±12 V lines. The positive 12 V line is needed for the disk drives, and the...

1-12-1991 | The regulated power supply and four identical current sources shown in the diagram enable the simultaneous charging of four 9-volt NiCd b...

1-12-1991 | One instrument no electronics hobbyist can do without is a regulated power supply. This month we present a no-frills design that should...

1-12-1991 | The power supply for the delay circuit is derived directly from the mains by a bridge rectifier; D1-D4. The rectifier must be able to han...

1-11-1991 | Dissipation in electronically regulated power supplies, manifested by heat, is a problem that is normally tackled by providing external he...

1-06-1991 | In this penultimate instalment of the article (which was delayed by circumstances beyond our control), the power supply and the interfaces...