Found in Unitrode documentation, this oscillator uses some unusual components today such as PU and the 3 M potentiometer. The power can be made with voltages around 15 V.
This circuit was found in the February 1991 Radio Electronics magazine. The circuit must be...
This circuit consists of a single Hartley oscillator using a bipolar transistor that can generate...
This circuit, which can be used as a shield, was found in Radio Electronics from the 90s. The...