signal generator circuit

TCube - TCUBE is a combination of a Spectrum Analyzer and a Two Tone Generator, with optional quadrature outputs. It can be used for measuring the intermodulation behavior of an audio circuit, and as a general purpose tool

Signal Generation Solution - Build an inexpensive RF signal generator

A DIY Square Wave Signal Generator - This circuit is very simple and has a fantastic range of potential uses.

ZL2PD HF RF Signal Generator - This circuit came out of some work done for two antenna analysers