Signal generators ... 25 MHz generator that can be found on eBay. The downside is the software. It’s an ugly Windows interface that’s a pain to use. The good news is that [wd5gnr] reverse ...

[Debraj] needed a simple signal ... generator built into Audacity was quite useful, at least for generating waveforms at less than 20 KHz or so. Upon plugging his scope into his sound card’s ...