This circuit is from a 1967 publication. The configuration holds true for modern transistors having a feedback across R2.
This simple 1-transistor MW radio for listening on the phone was found in a Japanese magazine in...
This is an improvement on the previous circuit with a preamplification stage. The circuit is from...
November 2016 - Mouser Electronics is making the new Kyocera MC2016K Series crystal oscillators...