This circuit makes use of comparators and common operational amplifiers, having been found in Motorola Linear Interface ICs of 1993. The circuit requires symmetrical source.
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...
This circuit was found in a 1991’s PE Hobbyst Handbook. The circuit is based on altering the sound...
The presented circuit uses a symmetrical power source to supply an amplifier with the LM139 or...