POWER AMPLIFIER AND OPERATION CONTROLLING CIRCUIT THEREOF

摘要

There are provided a power amplifier and an operation controlling circuit thereof. The power amplifier includes: a signal generating unit generating a current input signal; an amplifying unit amplifying the current input signal; and a driving circuit unit supplying a driving signal to the amplifying unit, wherein the signal generating unit includes a control circuit unit generating a predetermined voltage signal from input power and a current mirror circuit unit generating the current input signal from the voltage signal.