Audio Frequency Generator Circuit

Audio Frequency Generator or often known by AFG is a device electronics used to generate signals with audio frequency range. Audio Frequency Generator (AFG) in the market there are many variant, from the analog to the digital . Even the assembly also exists, in principle, AFG is the frequency generator with an audio range. Here is one set of Audio Frequency Generator (AFG) which can be a reference if you want to make a series of Audio Frequency Generator (AFG) . The series of Audio Frequency Generator (AFG) is to use IC L8038 as a signal generator it.
Audio Frequency Generator Circuit
AFG
The series of Audio Frequency Generator (AFG) above has three output waveform that is, sine, square and triangle directly from the IC L8038. IC CD4066 and IC circuit Cd4017 a configuration circuit for waveform selector that can be set by pressing SW1. To adjust the working frequency is set by potentiometer R2.