EDN

Function Generator Circuit Concepts, Part 3: Additional Function Generator (FG) Capabilities

In the first two parts of this article, the first two generations of triangle-wave generator loops were presented – the foundational concepts at the heart of function generator (FG) technology. This ...
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

A Function Generator In Its Purest Form

If you have a modern function generator on your bench it is quite likely to contain a direct-digital synthesis circuit that creates arbitrary waveforms using a microprocessor controlled DAC. If you ...
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 ...
Geeky Gadgets

DIY Arduino Portable Function Generator Project

Anyone searching for a function generator may be interested in a new DIY Arduino project which details how you can make your very own. “A function generator is a very useful tool, especially when we ...
Electronic Design

Simple Circuit Turns Scope, Function Generator Into JFET Curve Tracer

Commercial curve tracers have existed for decades. But designers without access to one can create a simple circuit that uses a function generator and oscilloscope to generate JFET transfer and ...
Electronic Design

Symmetry Feedback Maximizes Function Generator’s Linear Sweep Range

Fig 1. This basic VCO/waveform generator IC circuit includes a voltage follower loop (formed with IC1) and symmetry feedback loop (IC3) to eliminate an asymmetric duty cycle, which would cause ...