The timing steps of this circuit are indicated by a 7-segment display. The circuit was found in documentation from the 90s. The capacitor next to the 555 determines the timing steges.
Found in a 1970 documentation, this circuit makes use of 741 operational amplifiers that are...
We found this circuit in the March 1992 Radio Electronics magazine. The circuit provides 100 Hz...
The diodes are for general use and the transistors also in this Exclusive-OR circuit. The circuit may...