Absolute Value Amplifier (CB8997E)

This circuit, published in the 1980s, can be applied to operational amplifiers of almost any type. The power supply must be symmetrical.

| Clique na imagem para ampliar |

High Output Voltage Regulator 78xx (CB15164E)
In this circuit, the output voltage is Vxx plus the zener voltage. The circuit is from the SGS...
Damped filter for triac (CB6742E)
This circuit is from a 1967 General Electric SCR manual. The capacitors are polyester and the...
3-stage divider (CB6827E)
We found this circuit in an English publication from 1969. The circuit uses transistors from the...