Protection circuit (CB8363E)

This circuit triggers in 100 microseconds in case of excess voltage. The adjustment is made in the pot. The circuit was found in 1969 documentation.

| Clique na imagem para ampliar |

Instrumentation Amplifier (CB4230E)
The purpose of this 1-transistor amplifier is to allow the use of a milliammeter in an application...
Under and Overvoltage Indicator (CB14977E)
This circuit causes one LED to light up if the voltage falls below the value set in R3 and the...
Digital Capacitor Meter (CB17506E)
This circuit was found in a 1986 documentation and it may be difficult to obtain some of its...