All items tagged with Power and PDF (17)

1-05-1998 | In this article we answered the letters of our readers.

1-12-1997 | In the testing of circuits, there is sometimes a need for the supply voltage to be switched on at a gjven time or in steps.

1-07-1996 | This circuit is based on the well known LM350T voltage regulator from National Semiconductor, and largely follow the standard application...

1-07-1996 | There are quite a few applications of an audio power amplifier in which power and hi-fi characteristics are of secondary importance. If, for...

1-12-1995 | This circuit, a. d.c.-d.c. converter, is intended to charge environment-friendly batteries in and environment-friendly way. lt is based...

1-12-1995 | Occasionally, problems occur when a power supply does not maintain its output voltage owing to a change in load as when an amplifier is...

1-07-1995 | This article is one from our 90s collection, the articles are downloadable as a PDF for all our members. Although the information we have on...

1-07-1995 | The audio amplifier in a battery-operated scanner or walkie-talkie is often on standby for long periods. Of course, in that state it draw...

1-12-1994 | Switching on inductive loads, such as transformers, causes a very high initial current, because at that instant, the load does not produ...

1-07-1994 | A battery of solar cells can recharge a NiCd battery with better than 80%, efficiency, provided the solar battery voltage exceeds the fu...