This circuit was obtained from Motorola documentation from 1969. The setting applies to other operating systems, including lower supply voltages. The zener determines the output signal.
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,...