This circuit from a 1968 Motorola documentation provides a 120 AC output with 60 Hz from a 48 V DC input. The circuit uses transformers and coils of commercial types of the time.
This circuit was obtained in an Electronics World of 1969. It is a crystal oscillator with a 100...
This circuit, shown in the figure, consists of a variable gain amplifier with differential input...
This circuit was found in the July 1992 Radio Electronics magazine. Sensitivity adjustment is made...