This circuit generates sinusoidal signals from 15 Hz to 15 kHz. The circuit is from Electronics Now magazine from December 1995. The power supply must be dual.
WWV is the prefix for the United States' time and frequency patterns station. These signals can be used...
This wired control circuit serves both volume and balance between channels. We found it in Radio...
This circuit produces a loud audio tone by a small loudspeaker. Power supply voltage ranges from 5...