Found in a 1967 documentation this circuit can be applied to any operational amplifier. Components without values determine the frequency to which the circuit is tuned.
This circuit can act as a shield being controlled by a microcontroller by pin 1 or 2. The...
This circuit generates voltage signals in the range of 5,000 to 30,000 V with an automobile...
This circuit was found in a European documentation. Transistors are not indicated, but they can be...