The circuit shown is from National Semiconductor, having been found in the 1994 Linear Application Handbook. Rt and Ct determine the output frequency.
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...
This simple 1 transistor radio was found in Raytheon's transistor manual. The transistor is...
This power supply was described in an article in Radio Electronics magazine from July 1968. The...