| This article describes a miniature medium-wave band receiver powered by a solar cell. The circuit is based on a single integrated circuit,...
| This article describes a miniature medium-wave band receiver powered by a solar cell. The circuit is based on a single integrated circuit,...
| Though a bitter disappointrnent, the failure of the quest was not yet an irreversible defeat. A remote chance lingered that the magie com...
| Here is an all-purpose d.c. power supply tor symmetrical as well as asymmetrical use, and capable ot supplying high output currents and vo...
| For the many readers who do not need hundreds of watts output from their audio hi-fi installation here is a modest 60-watt a.f. amplifier...
| A conventional current gain tester is too unreliable for measuring and comparing the d.c. gain of power transistors because it fails to se...
| It has been some time since we published a 200+ Watt power supply like the one described here. Capable of supplying up to 10 A (and more i...
| Adequate decoupling of power rails of most circuits is a seriously underestimated necessity. Particularly in the design of printed-circui...
| Silicon General's Type SGI548 is an integrated circuit capable of monitoring up to four positive DC supply voltages simultaneously for ov...
| A standard voltage regulator Type 7805 is inexpensive and easily available, but its maximum current of 1 A can at times prove a handicap....
| The LM3915 from National Semicanductor contains virtually everything for making a simple, yet reliable, audio power meter with a bar-type...