Found in the 1975 RCA tube manual, this circuit appears elsewhere in this section. The circuit uses contemporary components and is powered by the power grid.
This circuit was found in a documentation for radio amateurs from the year 70. Its purpose is to...
Found in a 1974 Ferranti manual, this circuit uses diodes to limit the voltage on the transistors. The...
The circuit shown can drive loads from 500 mA to 2 A, depending on the transistor with the TTL or...