The circuit shown is from National Semiconductor, having been found in the 1994 Linear Application Handbook. Rt and Ct determine the output frequency.
We found this circuit in a Hands-on Electronics from 1985. The circuit is based on common...
We found this circuit in an old American documentation for hams. The circuit serves as a telegraph...
JFET This configuration, quite common in this section, was found in a 90s American documentation. The...