This circuit is from a 1967 publication. The configuration holds true for modern transistors having a feedback across R2.
September 2016 - Supercapacitors of 10F to 100F in 3 V from Eaton can now be purchased from Mouser...
This circuit can generate signals of crystal multiple frequencies. The resonant circuit must be...
This is a high efficiency version with the MC723 which is the Motorola version for this well-known...