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.
Other series amplifiers such as the MC3301, MC3401 and LM2900 can be used on this circuit. We...
To small metal plates are used as sensor in this circuit. The skin resistance is enough to trigger the...
We found this circuit in documentation from the 1970s; The circuit uses Japanese transistors of...