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 ...

Carrier Wave Generator The Wave Generator creates a ... What remains is the audio signal. Speaker The audio signal causes the radio speaker's diaphragm to vibrate, which creates sound waves.

We generally don’t highlight commercial products in FotW, but in the case of this substandard RF signal generator, we’ll make an exception. We suppose the fail-badge could be pinned on ...