This circuit is from a 1992 PE Hobbyst Handbook. The circuit fires an old electronic flash using an SCR. The circuit can be adapted for other types of applications.
This circuit was originally designed to drive an engine with a small flower that dances when the...
In the figure we have an RF amplifier for tunnel diode. The frequency range will depend on the...
Using two common operationals, such as 741, this circuit serves as a medium control in an...