The Rigol oscilloscopes have a long history of modifications and hacks, and this latest from [Matthias] is an impressive addition; he’s been working on adding a function generator to the DHO800 ...

Learn how to use the function generator at Sears think [box], Case Western Reserve University’s open-access innovation center and makerspace.

This function generator is an HP3325A and it is several decades old, so some work was needed just to restore it to original working condition.

The 1510A Precision Signal Source generator available from MTI Instruments is a compact and portable device and includes dual-channel Direct Digital Synthesis (DDS) that creates high precision signals ...

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 ...

This all-analog circuit provides three key waveforms simultaneously and at the same frequency within the audio band. It is useful for evaluating audio systems, transformers, cables ...