It’s not a matter of trimming away VDC. His circuit is there to be able to add a VDC to the signal, to be able to shift it up or down as desired. The soundcard won’t give you anything that is ...

A signal generator is a handy bit of kit and with the right components, it’s pretty easy to build one. Fabricating a proper signal generator probe is another matter entirely. [Frank]’s DIY ...

Signal timing generator for high-resolution video and graphics applications. Module accepts RGB pixels and generates syncs, enable and blanking information. Supports direct connection to a wide range ...

They are also used to troubleshoot various electronic devices and to measure frequency. The function of a signal generator is to produce alternating current (AC) of the desired frequencies and ...

Signal-generator circuits produce RF sine-wave (or other waveform) output for purposes of testing, troubleshooting, and alignment. Although the subject of designing top-notch signal generator circuits ...