We found this circuit in an early American 80's documentation. We note that the first gate of the diagram is not really CMOS, but TTL and must be powered with 5 V. This feature allows the circuit to be adapted to function as a shield.
We found this circuit in an early American 80's documentation. We note that the first gate of the diagram is not really CMOS, but TTL and must be powered with 5 V. This feature allows the circuit to be adapted to function as a shield.
