Found in a Hands On Electronics from the 90s, this circuit can be easily assembled today, as the FET can be equivalent and the operational is general-purpose.
This configuration, different from Motorola's 1990 Linear Databook, uses a voltage reference...
This simple Bargraph photometer with 4 LEDs was found in a 1997 documentation. The scale is...
This traditional oscillator circuit that can be found elsewhere in this section uses general...