LASER triggering with Krytron (CB7229E)

This 1968 EC&G circuit generates high voltage pulses for firing a gas LASER of the time. The components are rare nowadays.

| Clique na imagem para ampliar |

Overvoltage protection (CB8360E)
Found in a 1960 General Electric documentation, this crowbar circuit blows the fuse in case of...
Crystal Tester (CB24174E)
This circuit was originally designed for testing crystals used in color televisions, but it works...
Test circuit with bridge (CB22530E)
This bridge-biased transistor test circuit measures gain in the range 0 to 300. Circuit is from...