Unijunction transistor sequential timer (CB21400E)

This circuit was found in Motorola documentation from 1968. Transistors can be modern equivalents, just like SCRs.

| Clique na imagem para ampliar |

Two Light Flashers (CB947E)
The circuits below were found in amarican publication of the year 1958. The transistors are...
Digital Audio Switch (CB18255E)
With this circuit it is possible to use a control voltage to select audio signals that pass...
PLL (CB6715E)
This PLL with operational amplifiers was found in 1969 documentation. The configuration can be...