This transistorized circuit is powered by a voltage of 6 to 12 V providing high voltage for a neon lamp. The circuit is from a 90's publication. Modern equivalent transistors can be used.
This circuit is from a PE Hobbyst Handbook from 1991. The integrated circuit is a common 555 and...
The configuration below is suggested by the National Semiconductor Linear Applications Handbook. The...
Other series operationals such as the LM258, LM358 and LM2904 can be used on this circuit of the...