This 12.5 W quasi-complementary amplifier was found in a 1969 General Electric publication. Note the high supply voltage. Transistors are common types at the time.
Mouser Electronics is now offering a reference design board from ST Microelectronics STEVAL-WESU1...
Found in Popular Elecronics, this configuration also appears in this section, but obtained from other...
The circuit shown in the figure can be used on a data transfer bus using an appropriate family...