More about design (647)

1-04-1994 | A flash tube control circuit is described wh ich is suitable for playful as weil as serious applications. The unit has a flash frequency o...

1-03-1994 | In the design, fault-finding and repairing of audio equipment several pieces of test instrument are either required or just downright use...

1-03-1994 | This article describes a completely updated and higher-power version of the 'Medium power a.f. amplifier' published in this magazine just...

1-03-1994 | The direct conversion or synchrodyne receiver was invented several decades ago, but only with the advent of modern semiconductor technology...

1-03-1994 | If you have ever tried to start your car and found the battery (almost) as flat as a pancake, you will appreciate this miniature monitor,...

1-02-1994 | The two major properties of the design described are simplicity and quality. Simplicity is achieved by omitting such superfluous facilitie...

1-12-1993 | In spite of their relatively modest T0220 case, the International Rectifier HEXFETS used in the present GO-watt-output amplifier can cope...

1-12-1993 | Since measuring alternating voltages and currents is not a straightforward matter, it is not to be wondered at that errors occur frequentl...

1-11-1993 | Dur personal comfort is determined not so much by the ambient temperature as by the relative humidity of the air surrounding us.

1-11-1993 | MOSFET output transistors should be as near-identical as possible, irrespective of whether they are complerilentary pairs or connected...