This circuit is from a Motorola integrated circuit manual. The integrated used is no longer common in our market and the power transistor must be equipped with a heat sink.
The purpose of this circuit is to prevent TTL circuits from receiving a voltage greater than 5 V...
The integrated circuit used in this amplifier is not very common today. We found this circuit in a...
This circuit from an old documentation includes the power supply for the 117 V power grid. It can be...