EDN

Function Generator Circuit Concepts, Part 1: First-Generation Function Generators (FGs)

Function generators (FGs) are measurement instruments in the category of waveform sources. They grew out of both a need for a versatile source of multiple waveshapes and from some interesting analog ...
Hackaday

555-Based Square-Wave And Triangle-Wave Function Generator Build For Beginners

Over on YouTube [Andrew Neal] has a Function Generator Build for Beginners. As beginner videos go this one is fairly ...
EDN

Function Generator Circuit Concepts, Part 2: Current-Source Function Generators (FGs)

The first-generation integrator-hysteresis-switch FGs were replaced by a second-generation design scheme using current sources. The integrator-based FG loop can be improved by driving the integrating ...
Electronic Design

Basic Op Amp Circuits with Quizplanation

Andy recommends favorite resources for basic op amp circuits and includes a portion of TI's AN-20. Test your knowledge with our op amp quiz; answer explanations are included. By 1969, a fledgling ...
Electronic Design

Design Balanced Op-Amp Circuits For Performance And Simplicity

In a balanced op-amp circuit, the op-amp inputs see equal impedances looking into the circuit. Balanced circuits provide better performance by cancelling some input errors and have a simple R F /R I ...