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 circuit was found in Motorola's Linear Interface ICs of 1993. The integrated circuit used is not...
This configuration was found in a publication for radio amateurs in 1979. The two integrated...
This circuit makes use of a 741 single source operational amplifier to measure resistors on a...