This nonlinear gain circuit was found in a 1965 Electronic Design. The configuration can be used as a basis for modern designs with equivalent transistors.
This circuit uses only passive components and must be tuned to the operating range. The circuit is...
This circuit is found in a 1975s documentation for radio amateurs. It was developed to recognize a...
This configuration triggers an external circuit or simply an LED for time given by R1 and C1 (T =...