In fact, this circuit from the 60's applies to photographic printers of the time, timing the lighting of a 20 W lamp. The components are from the period.
Found in Popular Electronics from the 90s, this circuit powers a warning lamp when the load is...
The four gates of a 40111 IC are used in thes two-out circuit. The output chages their state in a...
We found this circuit in a 1997 publication. It produces pulses of excitation whose intensity can...