| Si 4The circuit operates as follows: The 741 opamP is connected as a comparator. It compares the voltage at the emitter of the series pass t...
Elektor Team (8191)
| 7-08 — elektor july/august 1981 loudspeaker peak indicator Nowadays, any decent loudspeaker unit is, fortu- nately, pretty resistant to ro...
| polarity converter very Analogue or digital voltmeters (or both!) are a important requirement for the electronics labora- tory, be it amateu...
| 2 temperature recorder This circuit, together with a certain amount of mechanical ingenuity, makes it possible to construct a relatively ine...
| 1... linear opamp which feeds a Schmitt trigger. In turn, the Schmitt trigger controls a so-called "totem-pole" output stage. Sensitivity to...
| pulse generator A pulse generator can be extremely useful when designing digital circuits. To make the most of its possibilities it must be...
| NOW 10 fuse protector tor we In an earlier Summer Circuits issue of Elekoyer" published an article entitled "fuse destr, a circuit which was...
| o 4 4 is 6 4 6 ill 4 E 6 Ilib a 4 * One of the most useful dynamic RAM"s, the 4116, unfortunately needs three supply voltages. Nothing can b...
| P. Dooley russian roulette 1 For those readers who have a spirit of adventure, and a sense of humour, we present an interesting little "game...
| 13 miser - LED te amount of The circuit described here allows he energy consumed by LEDs to be duced to a fraction of the normal value. This...