| "signal is delayed and then mixed with the original signal. In the middle of the audio spectrum delays of less than about 100 μs will produc...
| "signal is delayed and then mixed with the original signal. In the middle of the audio spectrum delays of less than about 100 μs will produc...
| Various kinds of psychedelic flashing light display can be generated easily using logic shift registers. Several cir- cuits...
| As the gain in an OT A can be controlled by the current from an external source (the bias current lABd, possibilities are opened up for new...
| The store of dried feed is held in a trough with V-shaped sides (figure 1). At the bottom of the trough is a cylindrical container which run...
| It is possible to use two NANO or NOR gates to make up a flipflop - a circuit with two stable con- ditions. The process can be extende...
| This oscillator was designed for driving electronic games of chance, such as the `three-eyed bandit` (Elektor No. 2 page 238) or an elec...
| This simple triac dimmer can be used to control incandescent filament lamps up to 1500 W. The circuit operates on the phase-cont...
| The dual-slope technique is one of the simplest and most reliable DVM systems. The voltage to be measured is fed to an integrator for a fixe...
| "The principle of a LEP can be compared to a light-activated switch. The light source, however, has been replaced by the light pistol. By pu...
| The author does not pretend to present a revolutionary design, but only wishes td give a positive contribution to safety on the road...