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 sensitive circuit was found in a Texas Instruments optoelectronics manual. The transistors can be...
The circuit shown is from the Motorola Linear Databook of 1990. It is based on the Motorola T...
This circuit uses an operational amplifier that is still common today. The indication is made by...