LINE OUTPUT STAGE DRIVER TRANSFORMER

摘要

In this circuit, an ohmic resistance (7) is necessary for the required formation of the base current between the secondary winding (5) of the driver transformer (3) and the base of the line output stage transistor (8). This resistance (7) can be omitted due to the fact that the equivalent resistance of the secondary winding (5) is dimensioned to be correspondingly large. The same wire is preferably used for the primary winding (4) and the secondary winding (5) of the driver transformer (3). This considerably simplifies the automatic fabrication of the driver transformer (3).