This small phonographic amplifier was found in a 1967 General Electric documentation. The integrated circuit is from that time, providing 1.5 W of output power.
We find this circuit in the manual of the used integrated circuits. The manual is from Linear...
This circuit was published in an 80's American documentation, but it is still current. The power...
Suggested by a 1968 documentation, this circuit limits the current of a regulator and can be...