This circuit has the spark duration controlled by a 555 timer. The circuit was found in the 1990 special issue of Radio Electronics Experimenter magazine.
This circuit is suitable for applications such as a TTL log digital link. Maximum frequency is...
We found this simple wired intercom circuit with transistors in a 1988 publication. In addition to not...
Other operational amplifiers can be used on this unit gain amplifier. The circuit is from the 1993...