This super regenerative detector circuit was found in an English documentation from 1963. The coil is frequency compliant. The transistors are germanium of the time.
This control for 1/15 HP motors with 5,000 rpm for 115 V power grid was suggested by a Motorola...
The circuit below is found in the manuals of several manufacturers in the LM123 series of...
This configuration found in a Motorola documentation consists of an experimental circuit that uses...