Up to 50 MHz trigger (CB21479E)

This Schmitt trigger in current mode for frequencies up to 50 MHz was found in a 1969 Motorola manual. Appropriate switching transistors can be used.

| Clique na imagem para ampliar |

Functional Timer (CB4422E)
We found this circuit in a 1992 publication, but for the components it uses, its assembly can...
Transistor Test (CB19461E)
We found this tester or test of bipolar transistors in a European publication in 1981. The circuit is...
3W Amplifier with treble (CB6305E)
This circuit was found in an English documentation from 1969. The transistors are of the time,...