The configuration is from the 1994 Linear Applications Handbook by National Semiconductor. The circuit is valid for the LH0033 and others in the same family.
This simple metronome, from 1985 documentation uses only transistors and has two settings. For...
This circuit is suitable for modulating AM transmitters. The circuit is from a 1977 radio amateur...
This flasher was found in an old Hands On, but uses common components. The optocoupler can be...