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.
This shield circuit is suggested by Motorola, using a 4N26 type coupler and an MC1733 type...
Twin- T oscillators can be used to produce sinusoidal signals in the audio track with good...
This circuit was found in a 1964 Electronic Design. The circuit makes use of transistors of the...