Power amplifier device

Power amplifying device according to an embodiment of the technical features of the present invention is coupled to the blocking portion, the blocking portion to block the DC component of the signal delivered from the signal input terminal, the protection unit and circuit for stabilizing a signal received from the blocking unit It is connected to the protection unit the circuit comprising: amplification unit and outputting the amplified signals received the circuit from the protection unit, and includes the amplifier portion a plurality of transistors, the circuit protection unit connected respectively to the base of the plurality of transient jitter It includes a resistance.