| The use of frequency dividers in electronic organs has been known for many years. The usual procedure is to use divide-by-two stages to divi...
| The use of frequency dividers in electronic organs has been known for many years. The usual procedure is to use divide-by-two stages to divi...
| Low-cost domestic burglar alarms often operate on the loop principle. A number of normally closed microswitches protect points of ent...
| In response to popular demand we publish this design for an FM stereo decoder using the Motorola MC1310P. Although nothing is claimed for t...
| A large number of queries at the Audio Fair in London show that many new readers have started buying Elektor from no. 7 on. They have not...
| Wherever possible in Elektor circuits, transis-tors and diodes are simply marked `TUP` (Transistor, Universal PNP), `TUN` (Transis...
| A monolithic temperature-stabilized voltage-reference IC, which out-performs standard zener diodes by a factor of 20, has been developed by...
| A single-crystal sapphire material manu- factured by Corning for arc tubes in high pressure sodium vapor lamps in- creases luminous effica...
| Many mechanical and electro- mechanical clocks and watches are now provided with date indication. Addition of a calendar to an elec- troni...
| When several mini racing cars are driven along a number of parallel tracks it is sometimes difficult to spot the winner. Heated dis...