An IC waveforms synthesizer can generate different waveforms like sine, square, ramp, and triangle. There are many different types of IC waveforms synthesizers. Examples include IC function generators ...

Microcontroller addict [Debraj] decided to make his own programmable sine wave generator ... that [Debraj] displays by sketching the initial circuit diagram with a ball-point pen — check ...

[Scullcom] previously posted the first part of this build which covered the XR2206 monolithic function generator IC on which his design ... with square, sine and triangle wave outputs.