This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time and the frequency is determined by the crystal. The circuit operates at voltages from 3 to 9 V.
This circuit is from an old American documentation. In it we have a simple way to fire an SCR from...
This CMNOS crystal-based circuit generates a 2 Hz signal. It was found in the October 1994 issue of...
NI has announced the release of Multisim 14, our industry-standard SPICE simulation environment....