This circuit with the LM741 operational amplifier can be applied to other operational amplifiers. We found it in the September 1989 Radio Electronics magazine.
This high frequency modulator was found in Motorola's 1990 Linear Databook. The current depends on the...
This circuit was found in an old Electronic Design used to apply digital signals to an analog...
Based on the frequency of the power grid, this circuit produces square signals for use in digital...