Two-state sequential (CB6566E)

Found in a 1970 documentation, this SCR bistable can be implemented with modern equivalent SCRs. Observe the controlled loads.

| Clique na imagem para ampliar |

Crystal Signal Generator (CB6189E)
This QST circuit generates 4 frequency signals according to the crystals used. Transistors admit...
Ring Launcher (CB7805E)
This countdown electromagnetic ring launcher was found in an Electronic Hobbyst Handbook from...
Beat frequency indicator (CB9814E)
This TTL circuit was found in an American documentation from the 80s. The components are common in the...