This circuit with germanium transistors was found in a publication by Gernsback from 1960. The circuit is low power, a few tens of milliwatts.
This circuit was found in a telecommunications publication of 1978. Its purpose is to obtain...
This setting appears with variations at various points on this site. This is from a Motorola...
This circuit is from a 1967 documentation. The circuit uses germanium transistors and has an...