| In response to popular demand, here, at last is a treble and rumble filter that can be used in irtually any hi-fi system to get rid of...
| In response to popular demand, here, at last is a treble and rumble filter that can be used in irtually any hi-fi system to get rid of...
| Präzisions-Spannungs-Frequenz-Wandler (Linearitätsfehler 0,5%, Temperaturdrift 0,01%, mit 2x CA3130)
| In November 1976 the circuit was described of an ultrasonic intruder alarm, the `Al bar`. By slightly mis-using the ultrasonic transduc...
| Klopfgeist (Ultraschall-Sender, US-Empfänger lösen Klopfgenerator aus)
| Brutkasten (Schaltungsidee) (durch Hören hoher Töne (>8 kHz) Gehirn-Gleichgewicht herstellen)
| The first part of this article dealt with the general operating principles of the morse decoder. In this part the complete circuit is co...
| Mikrocomputer - Eine Einführung (Grundlagen)
| LED-Aussteuerungsmesser (Audio, `diskret`, mit OPV)