Single pulse photo trigger (CB8328E)

We found this circuit in a 1970 General Electric manual. The circuit uses components that are uncommon today.

| Clique na imagem para ampliar |

200 mV voltmeter with ICL7106 or ICL7107 (CB15354E)
In the figure we have the configuration of a 200mV digital voltmeter (LED or LCD) using Intersil's...
Amplifier TBA820M (CB10237E)
This circuit was found in a 1987 edition of the United States' Hands-On Electronics magazine. The...
Signal Injector (CB16248E)
Here we have a signal injector for the medium wave range, which uses only one transistor. This...