Suggested by General Electric in a 1967 publication, this circuit uses the D13T1, an uncommon SCR today. This component is triggered by the anode.
An application for the previous circuit (CB109) is shown here. The central frequency is determined by C and...
This circuit was found in the November 1994 issue of Electronics Now magazine. The circuit is...
This circuit was found in a 90s Silicon Chip documentation. The current of the transformer is 1 A maximum,...