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 traditional TTL anti-clock setting was found in a 1993 American documentation. The circuit...
This version of the Pierce oscillator with the 2N3904 was found in the January 1994 issue of...
In the figure we have a way to obtain a 15 V symmetrical source with a 30 V single winding...