This circuit, obtained from old documentation, doubles the frequency of the pulses applied to the input. The circuit must be powered by a voltage of 5 V.
This circuit is from a 1998 Electronics Now and can be easily assembled since it uses a common...
The circuit shown in the figure was suggested by Maxim (www.maxim-ic.com) based on the DS2786B...
This very low power amplifier is designed by Amperex for hearing aids. It is based on TAA370 which is...