| One of the major problems with tape recorders in general, and cassette recorders in particular, is tape noise. For this reason, noise...
| One of the major problems with tape recorders in general, and cassette recorders in particular, is tape noise. For this reason, noise...
| Wherever possible in Elektor circuits, transis- tors and diodes are simply marked `TUP` (Transistor, Universal PNP), `TUN` (Tran...
| Variations in power supply voltage can have a detrimental effect on the functioning of many electronic circuits. In such cases provis...
| Roxburgh Electronics Ltd., have introduced six new ranges of red, green, yellow and amber LED indicator lamps. Designed for a variety of...
| A monolithic temperature-stabilized voltage-reference IC, which out-performs standard zener diodes by a factor of The ultimate goal of the r...
| Every radio amateur knows that his (or her) call sign must be transmitted at least once per ten minutes during a OSO. This requirement ca...
| The equipment described in this article converts morse coded infor-mation into normal alphanumeric characters (letters and numerals), thus c...
| The equipment described in t To obtain the maximum efficiency when modulating a transmitter the modulation depth must be kept as high...
| A morse signal, of course, consists of dots and dashes. The duration of dots, dashes, and the spaces between them bear fixed...