This circuit was found in a 1967 documentation. It is intended for triggering a xenon LASER. Observe the high operating voltages of the circuit. The components used are uncommon today.
This simple timer uses one of the six inverter ports on a CMOS integrated circuit. Rx and Cx...
This circuit can be used as a residential doorbell. We found it in an English publication from...
In the old original version of this circuit from 1989, the LED is common (we recommend 330-ohm...