Norton amplifier (CB6779E)

This absolute value amplifier was found in a 90's EDN. Equivalent amplifiers can be used. The power supply must be symmetrical.

Differentiator (CB4836E)
This is a conventional differentiator configuration with operational amplifier. In principle any...
Light Controlled Volley Oscillator (CB25763E)
We found this circuit in the September 1994 issue of Electronics Now magazine. The circuit uses...
Schottky Power Reversal Protection (CB5897E)
This circuit prevents damage by accidentally reversing the power supply polarity. The circuit is...