We have already presented this circuit, obtained from manuals from other manufacturers of the used integrated circuit. This is specifically from Motorola's 1990 Linear Databook.
This circuit generates an FM signal of 4.7 or 10.7 MHz for audio signals on analog TV or FM, with...
This simple test for general purpose NPN and PNP transistors was found in a 1974 publication....
This circuit from a Radio Electronics magazine from June 1969 already shows the use of the newly...