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.
November 2016 - Mouser Electronics is selling the entry circuit for Analog Devices AD8232 and...
This circuit was found in an 80's documentation using an NE5514, operating at the time. The font...
Figure bellow shows how a digital frequency divider or counter can be created using the flip-flops containing...