Found in a 1967 Electronic Design, this circuit can detect pulses as narrow as 0.2 us. Active components can be replaced with modern equivalents.
Found on Popular Electronics this circuit has variations found throughout this site and section....
This effect for guitar was found in an English magazine from 1978. The transistors can be the most...
This circuit was found in a 90s Popular Electronics. It is possible to analyze the voltages of an...