| For those readers who have not seen the original `TV sound` article (Elektor 2, p. 234), the circuits and p.c. board are repeated...
| For those readers who have not seen the original `TV sound` article (Elektor 2, p. 234), the circuits and p.c. board are repeated...
| This unit is intended for use in conjunction with the TV Sound Unit described in Elektor No_ 2 (February 1975), to convert it into a...
| Most tuners with varicap front-ends require two supply voltages. One for the front-end and i.f. amplifier {usually about +12 V) and a t...
| 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...