This CMNOS crystal-based circuit generates a 2 Hz signal. It was found in the October 1994 issue of Electronics Now. The output signal is square.
In the figure below we have the main configurations of power supplies with the most used...
This circuit is a high voltage source for a gas LASER. We found it in a documentation from the...
This integrated amplifier was used in televisions from the 70s, with good sensitivity...