Found in old documentation, this circuit is tuned to pass signals below 245 Hz with a level of 0.044 dB above 500 Hz.
This circuit uses two oscillators to produce a sound that seems the sound of a ring-bell. The...
We found this circuit in the Linear Applications Handbook by National Semiconductor. The circuit is...
July 2017 - The new touch switches from Alps SKPS series for surface mounting can now be purchased from...