This single trigger circuit has been indicated for photography applications. The circuit is from a 1964 Electronics World. The transistor is general-purpose and the SCR can be of any type.
This circuit can operate with signals from 1.5 to 150 MHz. C1 is 36 pF and C2 is 4n7. The diode...
This circuit was found in a 90s Popular Electronics. It prevents the power from being switched...
Any high-gain Darlington transistor can be used on this touch circuit. The load can be formed by...